id stringlengths 8 8 | question stringlengths 6 10.2k | choices listlengths 4 4 | answer stringclasses 4
values | rationale stringlengths 0 2.59k | difficulty stringclasses 1
value | source stringclasses 146
values |
|---|---|---|---|---|---|---|
2116829f | Which of the following fuel gas will have the highest calorific value? | [
"Water gas",
"Bio gas",
"Producer gas",
"Natural gas"
] | D | Natural gas produces a high amount of heat when compared to the other three gases. Water gas and producer gas are synthetic fuels and natural gas natural fuel. | applied_chemistry | |
58be7100 | FAT stands for _____________ | [
"File Attribute Transport",
"File Allocation Table",
"Fork At Time",
"None of the mentioned"
] | A | None. | operating_system | |
72c5e9bb | The coefficient of spread is not given by which mathematical expression? | [
"S=Width elongation/ Thickness contraction",
"S=ln(w1/wo)/ln(ho/h1)",
"S=1-[length elongation/ thickness contraction]",
"S=length elongation/thickness contraction"
] | A | The cogging is most straightforward metalworking process in which metal billet is pressed between the two dies to reduces the cross-section of the material without causing the shape change. | mechanical_metallurgy | |
a3f86482 | Two years ago the population of a village was 4000. If the annual increase during the two successive years be at the rate of 2% & 4%, find the present population. | [
"7074",
"7080",
"7072",
"7000"
] | C | Present population = 4000 (1 + \(\frac{2}{100}\))(1 + \(\frac{4}{100}\)) = 4000 (\(\frac{51}{50}\))(\(\frac{26}{25}\)) = 7072. | mathematics_mcqs_-_class_8.json | |
d81e4d40 | What datastructures can be used in implementing a free list? | [
"only linked list",
"linked list or sort trees",
"arrays",
"trees"
] | B | Sort trees can also be used in impelementing free lists which remaincomplex. | data_structures_&_algorithms_i | |
41443234 | King post trusses are used for spans ______ | [
"5 to 8 m",
"6 to 9 m",
"4 to 6 m",
"6 to 8 m"
] | B | Generally trusses are used when the span is large and intermediate supports for purlins and ties are unavailable. A king post truss is used for spans of 6 to 9 m. | strength_of_materials | |
5fcc2396 | _____ are software configuration items that are encapsulated as objects. | [
"Pseudo objects",
"Load objects",
"Rounded objects",
"Quantified objects"
] | D | Quantified objects are software configuration items that are encapsulated as objects. It is accessed via message passing, consumes particular data and program memory, and consumes specified processing resources. | cognitive_radio | |
d63e98cc | If an object is being returned by value then __________________________ | [
"Its member values are made constant",
"Its member values have to be copied individually",
"Its member values are not used",
"Its member values are copied using copy constructor"
] | A | When an object is created and instead of calling a constructor, another object is assigned to it. Both the objects point to the same memory location. This can be illustrated with help of return by reference. | object_oriented_programming | |
d42979ee | The lexical analyzer takes _________ as input and produces a stream of _______ as output. | [
"Source program, tokens",
"Token, source program",
"Either A and B",
"None of the mentioned"
] | A | Lexical analyser takes source program as input and token as output. | compiler | |
eb7a8e97 | The ______ clause allows us to select only those rows in the result relation of the ____ clause that satisfy a specified predicate. | [
"Where, from",
"From, select",
"Select, from",
"From, where"
] | A | Where selects the rows on a particular condition. From gives the relation which involves the operation. | database_management | |
960f524d | 8. An LTI system having transfer function s2+1/s2+2s+1 and input x(t) =sin(t+1) is in steady state. The output is sampled at ws rad/s to obtain the final output {y (k)}. Which of the following is true? | [
"Y is zero for all sampling frequencies ws",
"Y is non zero for all sampling frequencies ws",
"Y is non zero for ws>2 but zero for ws<2",
"Y is zero for ws>2 but non zero for ws<2"
] | C | m (t) g (t)->M (f)*G (f)
After low pass filtering with fc =1 kHz, hence the output is zero. | control_systems | |
17c46a0d | Data members ________________ (C++) | [
"Can be initialized with declaration in classes",
"Can be initialized only with help of constructors",
"Can be initialized either in declaration or by constructor",
"Can’t be initialized"
] | B | The data members are not property of class, those are property of the instances of the class. And the memory for the data members are not reserved until a constructor is called. Hence we use constructors for their initialization after the memory is reserved. | object_oriented_programming | |
9e7c1130 | Let A={1,2,3,4,5} and R be a relation from A to A, R = {(x, y): y = x + 1}. Find the codomain. | [
"{1,2,3,4,5}",
"{2,3,4,5}",
"{1,2,3,4}",
"{1,2,3,4,5,6}"
] | A | We know, domain of a relation is the set from which relation is defined i.e. set A.
So, domain = {1,2,3,4,5}. | mathematics_mcqs_-_class_11.json | |
1e11d2a0 | 8. Find the relative permittivity of the medium having a refractive index of 1.6 | [
"0.4",
"2.56",
"3.2",
"4.8"
] | B | The reflection coefficient is the ratio of the reflected electric field to the incident electric field. Thus τ = Er/Ei. On substituting for Ei = 5 and Er = 2, we get τ = 2/5 = 0.4(no unit). | electromagnetic_theory | |
de34c806 | When a minor fraction of liquid flows to the tray below through the tray perforations it is called | [
"Weeping",
"Dumping",
"Entrainment",
"Feeding"
] | A | During weeping, a minor fraction of liquid flows to the tray below through the tray perforations. | distillation_design | |
20488627 | If f(x)=x4+x2-x+2 and g(x)=x2-x+1, find: f(x) – g(x) | [
"x4+1",
"x2+1",
"x2+2x+6",
"x4-1"
] | B | Perform polynomial addition. | cryptograph_&_network_security | |
dca064fe | The mechanism that determines whether a floating point operation will be executed without creating any exception is | [
"Multiple Instruction Issue",
"Multiple Exception Issue",
"Safe Instruction Recognition",
"Safe Exception Recognition"
] | C | A mechanism known as Safe Exception Recognition (SER) had been employed in Pentium which determines whether a floating point operation will be executed without creating any exception. | microprocessor | |
a15e10a8 | The catching of base class exception ___________________________ in java. | [
"After derived class is not allowed by compiler",
"Before derived class is not allowed by compiler",
"Before derived class is allowed",
"After derived class can’t be done"
] | B | The catching of base class exception before derived class is not allowed in java. The compiler itself doesn’t allow this declaration. It produces an error. | object_oriented_programming | |
846a88c7 | 8. What will be output of the following C code?<div class="hk1_style-wrap4"><div class="hk1_style-wrap3"><div class="hk1_style-wrap2"><div class="hk1_style-wrap"><div class="hk1_style"><div class="c"><pre class="de1"><span class="co2">#include <stdio.h></span> main<span class="br0">(</span><span class="br0">)</sp... | [
"a = 6, b = 15",
"a = 1, b = 3",
"a = 1, b = 15",
"a = 2, b = 4"
] | A | B=1+2+3+4+5
B=15
But finally a=6. | compiler | |
b43b46b9 | 6. What will be the output of the following Java code?<div class="hk1_style-wrap4"><div class="hk1_style-wrap3"><div class="hk1_style-wrap2"><div class="hk1_style-wrap"><div class="hk1_style"><div class="java"><ol><li class="li1"><pre class="de1"> <span class="kw1">class</span> Output </pre></li><li class="li1"><pre cl... | [
"0",
"3",
"3.0",
"3.1"
] | B | None.
Output:
$ javac Output.java
$ java Output
3 | java | |
1bc8f1f9 | The slope of the V-I curve is 86.5°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line. | [
"16.34 Ω",
"15.88 Ω",
"48.43 Ω",
"54.57 Ω"
] | A | The slope of the V-I curve is resistance. The slope given is 16.34° so R=tan(16.34°)=16.34 Ω. The slope of the I-V curve is reciprocal of resistance. | electric_drives | |
30f9d031 | To model a transmission line of infinitesimal length Δz, the lumped element that is not used is: | [
"resistor",
"inductor",
"capacitor",
"transistor"
] | D | In the lumped element circuit model of a transmission line, we use only resistor, capacitor and inductor. Hence no transistor is used. | microwave_engineering | |
21cbb9e0 | Nodal analysis is mainly based on __________ | [
"KCL",
"KVL",
"Wheatstone bridge principle",
"Faraday’s electric laws"
] | A | Nodal analysis or Node-Voltage method is done by identifying the currents at the node and thereby forming equations. | electric_circuits | |
5576dd14 | 1. What will be the nature of time response if the roots of the characteristic equation are located on the s-plane imaginary axis? | [
"Oscillations",
"Damped oscillations",
"No oscillations",
"Under damped oscilaations"
] | C | complex conjugate (non-multiple): oscillatory (sustained oscillations)
Complex conjugate (multiple): unstable (growing oscillations). | control_systems | |
50b39960 | How can we increase the height of the graph of Weibull distribution? | [
"if η is decreased while β and γ are constant",
"if η is increased while β and γ are constant",
"if η is constant while β and γ are increased",
"if η is constant while β and γ are decreased"
] | A | In Weibull distribution for β < 1 failure rate that decreases with time. β = 1 have a constant failure rate. β > 1 have a failure rate that increases with time. | probability_and_statistics | |
4c87c7c3 | For a 2 port network if Z₁₁=1.5 and Z₁₂=1.2, A parameter for the same 2 port network is: | [
"1.5",
"1.25",
"0.75",
"1.75"
] | B | A parameter for the two port network is the ratio of the impedance Z11 and the impedance Z12. Substituting in this equation,’ A’ parameter of the network is 1.25. | microwave_engineering | |
26e2d26f | Which among the following is true for static constructor? | [
"Static constructors are called with every new object",
"Static constructors are used initialize data members to zero always",
"Static constructors can’t be parameterized constructors",
"Static constructors can be used to initialize the non-static members also"
] | C | Static constructors can’t be parameterized constructors. Those are used to initialize the value of static members only. And that must be a definite value. Accepting arguments may make it possible that static members loses their value with every new object being created. | object_oriented_programming | |
1973ef6a | A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address because ____________ | [
"it reduces the memory access time to read or write a memory location",
"it helps to reduce the size of page table needed to implement the virtual address space of a process",
"it is required by the translation lookaside buffer",
"it helps to reduce the number of page faults in page replacement algorithms"
] | B | None. | operating_system | |
3734e838 | The type of slip not considered for study is ___________ | [
"Strike slip",
"Dip slip",
"Hade slip",
"Oblique slip"
] | C | We can observe numerous parallel placed fractured blocks in the shown region and this is possible in a fault zone. The picture depicts fault zone with distinct thickness and closely placed parallel fractures. | engineering_geology | |
915da36b | The sum of all integers from 1 to 520 that are multiples of 4 or 5? | [
"187",
"208",
"421",
"52"
] | B | PIE is used to count the elements of a set and stated as the sum of elements in A or B is equal to the sum of elements in A plus the sum of elements in B minus the sum of elements in A and B. Let A be the set of multiples of 4 and B be the set of multiples of 5, then A ⋂ B is the set of multiples of 20, and hence
\(\fr... | discrete_mathematics | |
5447db97 | What is the symbol used for time? | [
"M",
"H",
"K",
"T"
] | D | Unit of time is second. | heat_transfer | |
01d2c751 | To redefine a variable, it can be removed from the list of variables by using the command | [
"unset",
"delete",
"remove",
"clear"
] | A | None. | linux | |
4eed2c83 | How many moles of Hydrogen are there in the bucket? | [
"11.00",
"11.16",
"11.56",
"11.98"
] | D | Moles of Oxygen = Moles of NaOH + Moles of H2O + 4(Moles of H2SO4). | chemical_process_calculation | |
dabfeabb | For every successful login, which script will be executed? | [
"/etc/inittab",
"/etc/profile",
"/etc/login",
"/etc/init"
] | B | None. | linux | |
f4cf3931 | A bridge circuit uses which method of measurement? | [
"absolute",
"relative",
"differential",
"comparison"
] | D | A bridge circuit makes use of a comparison measurement method. In this method the bridge compares the value of an unknown component with a standard value of a given component. | electrical_measurements | |
c53665be | Assume that 5mm and 5mm are the unstressed interplanar spacing’s of matching planes in the α and ß phases respectively, the disregistry, or misfit between the two lattices (∆) is defined by__ | [
"0",
"0.5",
"1",
"2"
] | C | The misfit dislocations periodically take up the disregistry and it becomes energetically more favorable to replace the coherent interface with a semi coherent interface.The strains associated with a coherent interface raise the total energy of the system. | phase_transformation | |
9c783dcf | What increases when the take up reel rotates at a high speed? | [
"Front tension",
"Above tension",
"Back tension",
"Beneath tension"
] | A | Among front tension, above tension, back tension and beneath tension, front tension is found to increase when the take up wheel rotates at a high speed. | casting-forming-welding_ii | |
0612c700 | Consider the points closest to the origin on the planes x + y + z = a. | [
"The closest point travels farther as a is increased",
"The closest point travels nearer as a is increased",
"The closest point is independent of a as a is not there in the expression of the gradient.",
"Varies as a2, away from the origin."
] | A | The objective function is f(x,y,z) = x2 + y2 + z2
compute gradient ∇f = 2x i + 2y j + 2z k
Now compute gradient of the function x + y + z = 9
which is
= i + j + k
Using Lagrange condition we have
∇f = λ . ∇g
2x i + 2y j + 2z k = λ * (i + j + k)
⇒ x = y =z
Put this back into constraint function we get
3x = 9 ⇒ (x,y,z) =... | engineering_mathematics | |
dcbdd341 | 10. What is the below pseudo code trying to do, where pt is a node pointer and root pointer?<div class="hk1_style-wrap4"><div class="hk1_style-wrap3"><div class="hk1_style-wrap2"><div class="hk1_style-wrap"><div class="hk1_style"><div class="java"><pre class="de1"> redblack<span class="br0">(</span>Node root, Node pt<s... | [
"insert a new node",
"delete a node",
"search a node",
"count the number of nodes"
] | A | The node pointers can be used to store color with the help of significant bits. the exceptions of this method are in languages like java where pointers are not used this may not work. | data_structures_&_algorithms_i | |
91d7feaf | Ethyl alcohol obtained by fermentation of starch or molasses is called wash, and what is it’s purity? | [
"15%",
"99%",
"99.9%",
"95%"
] | A | The alcohol obtained from molasses is called “wash” which contains the low percentage of ethyl alcohol (15-30%). | organic_chemistry | |
6d96d495 | Which of the following is incorrect? | [
"float(‘inf’)",
"float(‘nan’)",
"float(’56’+’78’)",
"float(’12+34′)"
] | D | ‘+’ cannot be converted to a float. | python | |
946e42a9 | Which among these is the primary goal for software engineering design? | [
"To specify the structure of program satisfying software product specification",
"To specify the behavior of program satisfying software product specification",
"All of the mentioned",
"None of the mentioned"
] | C | The primary goal of design is to specify the structure as well as the behavior of program satisfying software product specification. | software_architecture | |
b143b8f4 | 9. The boundary between the Fresnel and Fraunhofer zones having a length of 12 units and a wavelength of 3 units is | [
"96",
"48",
"192",
"36"
] | B | Modes in the format of TMmo and TMon does not exist. The given mode is in the form of TMmo, which is does not exist. It is an evanescent mode. | electromagnetic_theory | |
bebfe87c | Which of the following can be measured using a Ring-type load cell? | [
"Large weight",
"Small weight",
"Both large and small weights",
"None of the mentioned"
] | B | Ring type load cell consists of a ring like an arrangement to which force is applied. They are used for applications in which measurement of small forces are required. | instrumentation_transducers | |
3cb1feb8 | 8. With what is the feed introduced in the spary dryer? | [
"Spray",
"Atomizer",
"Nucleator",
"Heat exchanger"
] | B | A spray dryer is used to dry the atomized droplets of a feed that may be
a solution or a slurry of fine particles. It consists of a big drying chamber in which the feed is introduced through an atomizer at the top. | separation_processes | |
ac89d167 | Word length of a personal computer ___________ | [
"64bits",
"16 bits",
"8 bits",
"32 bits"
] | C | The HOLD signal is given to the CPU whenever an interrupt is to be served. If the CPU is ready to give the control of the bus, it gives the HLDA command which is Hold Acknowledgement. | computer_fundamentals | |
d4943b92 | Which of the following systems is stable? | [
"y(t) = log(x(t))",
"y(t) = exp(x(t))",
"y(t) = sin(x(t))",
"y(t) = tx(t) + 1"
] | C | Stability implies that a bounded input should give a bounded output. In a, b, d there are regions of x, for which y reaches infinity/negative infinity. Thus the sin function always stays between -1 and 1, and is hence stable. | signals_and_systems | |
bb6cb5ff | For a duct of rectangular cross-section with length l and breadth b, the value of d e is | [
"l b / l + b",
"2 l b",
"2 l b / l + b",
"4 l b / l + b"
] | D | The paths of fluid movement are well defined so it is laminar flow. | heat_transfer | |
4f1d5d89 | _____________ algorithms is used to extract the plan directly from the planning graph, rather than using graph to provide heuristic. | [
"BFS/DFS",
"A*",
"Graph-Plan",
"Greedy"
] | A | Planning graphs work only for propositional planning problems-ones with no variables. Both STRIPS and ADL representations can be propositionalized. For problems with large numbers and objects, this could result in a very substantial blowup in the number of action schemata. | artificial_intelligence | |
b2defd87 | What is an effect of an increase in diameter of fiber on strength? | [
"Increases linearly",
"Decreases linearly",
"Remains constant",
"Increases non-linearly"
] | B | With the increase in the diameter of fiber the strength of the overall composite decreases linearly. It is due to the concentration of defects or flaws in the fibers. | mechanical_behaviour | |
2c90b6f9 | Which type of axis does a Savonius Rotor has? | [
"Horizontal axis",
"Mediolateral axis",
"Vertical axis",
"Lateral Axis"
] | C | A Savonius wind energy conversion system has a vertical axis and hence eliminates the expensive power transmission system from the rotor to the axis. Since it is a vertical axis machine it does not matter much about the wind direction. | energy_engineering | |
e567b2db | What is the difference between a position vector and unit vector? | [
"Position vector has magnitude = 1 and direction, while the unit vector has magnitude = 0 and no direction",
"Position vector has magnitude = 0 and direction, while unit vector has magnitude = 0 and no direction",
"Position vector has some magnitude and direction, while the unit vector has magnitude = 0 and no ... | A | Yes, whenever two vectors are there, they are always in a single plane. If the emerging vectors are more than three then saying about their plane is somewhat difficult. But for two vectors it seems easy to understand about their plane. | engineering_mechanics | |
f1c061e9 | What will be the chromatic number for a tree having more than 1 vertex? | [
"0",
"1",
"2",
"Varies with the structure and number of vertices of the tree"
] | C | The minimum number of colors required for proper vertex coloring of graph is called chromatic number. So every tree having more than 1 vertex is 2 chromatic. | data_structures_&_algorithms_ii | |
4134c594 | High cycle fatigue is described by the _______________ | [
"Coffin-Manson equation",
"Basquin’s equation",
"Morrow’s equation",
"Manson equation"
] | B | The high cycle fatigue is generally associated with low-stress cycles. So the Basquin’s equation describes this behavior correctly. | mechanical_metallurgy | |
59e7e718 | Why is Requirements Management Important ? It is due to the changes | [
"to the environment",
"in technology",
"in customer’s expectations",
"in all of the mentioned."
] | D | Systems continue to be built as the advancement of new products being launched in the market and so does the market changes, the technology and in turn customer’s expectation. | software_engineering | |
e3ab7598 | 10. The transmission coefficient is given by 0.65. Find the return loss of the wave. | [
"9.11",
"1.99",
"1.19",
"9.91"
] | A | The transmission coefficient is the reverse of the reflection coefficient, i.e, T + R = 1. When T = 0.65, we get R = 0.35. Thus the return loss RL = -20log R = -20log 0.35 = 9.11 decibel. | electromagnetic_theory | |
9b019e8c | For a 100 bit key and a 32 bit tag, how many possible keys can be produced in the 3rd round? | [
"24",
"232",
"216",
"264"
] | C | Cryptographic checksum is another name for MACs. | cryptograph_&_network_security | |
80a69a26 | In practice what is the value of diversity factor? | [
"Less than Unity",
"Geater than Unity",
"Equal to or greater than Unity",
"Less than zero"
] | B | Maximum demand of different consumers never occurs at a time, due to this the total maximum demand of the load is always less than sum of individual maximum demands. And hence, demand factor e.i. the ratio of sum of individual maximum demand to the maximum demand of total load is always greater than unity. | power_systems | |
17447905 | Flow Control and Error Control are functions of which layer? | [
"Physical Layer",
"Application Layer",
"Data Link Layer",
"Network Layer"
] | C | Flow Control and Error Control are functions of the Data Link Layer. | cryptograph_&_network_security | |
6e8f27dc | Reaction of aqueous sodium hydroxide on chlorobenzene gives which of the following products? | [
"o-chlorophenol",
"o-chlorophenol",
"phenol",
"no reaction"
] | C | Chlorobenzene does not undergo hydrolysis under normal conditions. However, it undergoes hydrolysis when heated in an aqueous sodium hydroxide solution at a temperature of 623 K and a pressure of 300 atm to form phenol. | organic_chemistry | |
c03f815e | What will be the static sensitivity of a system with transfer function G(S) = 4/(5S2+8S+2)? | [
"0.5",
"2",
"4",
"4/5"
] | B | Static sensitivity of a system with transfer function G(S) = b0/(a2S2+a1S+a0) can be represented as b0/a0. | instrumentation_transducers | |
48f69df2 | The stress-strain relationship for viscous components is given by ________ | [
"η.E є",
"E є",
"<img src=\"https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-entrance-exams-q9c.png\" alt=\"engineering-materials-metallurgy-questions-answers-entrance-exams-q9c\" width=\"31\" height=\"32\" class=\" size-full wp-image-239228\" />",
"<img... | C | The viscous components of viscoelastic materials are modeled as dashpots. Their stress-strain relationship is expressed by σ= η dε/dt. The elastic components that are modeled as springs are expressed by the equation σ= E∈. | engineering_material_&_metallurgy | |
47c3f7b3 | Photographs made with X rays are known as ___________ | [
"X-graphs",
"Gamma-graphs",
"Radiographs",
"Scanned Photos"
] | C | Radiographs are the photographs that are made with the help of X-ray. It is widely used in the medical field. It can be used for diagnosis and non-destructive testing of products to identify defects in it. | engineering_physics_ii | |
89e9e7ee | How many groups are there in IS codes for Civil Engineering? | [
"41",
"52",
"62",
"35"
] | A | There are 41 groups or categories of IS codes available for Civil Engineering. Some of them include hardware, stone, ports and harbour, cement and concrete, fire safety, etc. | basic_civil_engineering | |
3371b146 | When an antenna radiates more energy in one direction than in other directions, it is called ________ | [
"selectivity",
"directivity",
"active antenna",
"resonance"
] | B | When an antenna radiates more energy in one direction than in other directions is called directivity. An antenna that radiates equally in all directions has effectively zero directionality, and the directivity of this type of antenna should be 1 (or 0dB). | analog_communications | |
f72b2941 | What are the two steps of a process execution? | [
"I/O & OS Burst",
"CPU & I/O Burst",
"Memory & I/O Burst",
"OS & Memory Burst"
] | B | None. | operating_system | |
d2da3744 | The cantilever is having one side of it as fixed while the other one is _________ | [
"Hinged",
"Roller supported",
"Pinned",
"Free"
] | A | The simply supported beams are supported only at one side the pin. This means the other side is having the roller. The beams are such designed because they are the structures which are being made so as to support the loadings which are perpendicular to the axis of that structure. Thus not pinned both sides. | engineering_mechanics | |
7ff527f5 | In the friction circle method, it is assumed that the resultant reaction is ___________ to the friction circle. | [
"Perpendicular",
"Tangential",
"Parallel",
"None of the mentioned"
] | C | In the friction circle method, it is assumed that the resultant reaction is tangential in the friction circle, since the error involved in this assumption is of small magnitude. | geotechnical_engineering_ii | |
ee98084b | Multilevel inheritance allows _________________ in the program. | [
"Only 7 levels of inheritance",
"At least 7 levels of inheritance",
"At most 16 levels of inheritance",
"As many levels of inheritance as required"
] | D | The multilevel inheritance allows any number of levels of inheritance. This is the maximum flexibility feature to make the members available to all the new classes and to add their own functionalities. The code reusability is used too. | object_oriented_programming | |
8e689d1d | The technique whereby the DMA controller steals the access cycles of the processor to operate is called __________ | [
"Fast conning",
"Memory Con",
"Cycle stealing",
"Memory stealing"
] | A | The DMA controller can perform operations on two different disks if the appropriate details are known. | computer_architecture | |
52a0f516 | In the design of lintel, determine the base angle of a triangle for poor masonry. | [
"40°",
"45°",
"60°",
"90°"
] | C | It is assumed that the load of triangle portion of the masonry is considered to act on the lintel. The base angle of the triangle depends upon the quality of brick masonry used. It may be taken as 45°for good masonry and 60° for poor masonry. | strength_of_materials | |
e326a8c6 | What will be the work done if all three forces are place at once on the beam? | [
"(p1 + dp1)(Δ1 + dΔ1) + (p2)( Δ2 + dΔ2)",
"(p1 + dp1)(Δ1 + dΔ1) + 1⁄2 (p2)( Δ2 + dΔ2)",
"1⁄2 (p1 + dp1)(Δ1 + dΔ1) + (p2)( Δ2 + dΔ2)",
"1⁄2 (p1 + dp1)(Δ1 + dΔ1) + 1⁄2 (p2)( Δ2 + dΔ2)"
] | D | Now, since all the loads are gradually applied, all will have a factor of half. | structural_analysis | |
8e141aad | The fracture through grains is known as ________ | [
"Rupture",
"Trans granular",
"Inter crystalline",
"Intergranular"
] | B | If applied stress is sufficiently large, fracture occurs through grains. It is known as trans granular fracture. | mechanical_behaviour | |
829f04bf | The pattern on paper in chromatography is called __________ | [
"Chroming",
"Chroma",
"Chromatograph",
"Chromatogram"
] | D | In paper chromatography usually stationary phase is a strip of chromatography paper which is also called a chromatogram. | biochemistry | |
52d1cf79 | Every if is closed with a corresponding ____ | [
"else",
"fi",
"if",
"else if"
] | A | The shell provides two operators that allow conditional execution –the && and ||. The syntax for using these operators is:
cmd1 && cmd2
cmd1 || cmd2 | unix | |
4930353f | The ‘logout’ built in command is used to | [
"shutdown the computer",
"logoff of the computer",
"logout the current user",
"to exit the current shell"
] | D | None. | linux | |
ec3491c6 | For turbulent flow, Reynolds number must be | [
"Less than 5000",
"Equal to 6000",
"Less than 6000",
"Greater than 6000"
] | D | In turbulent flow, the motion of fluid particles is irregular, and it proceeds along erratic and unpredictable paths. | heat_transfer | |
ddf456a7 | A single phase 50 hz, generator supplies an inductive load of 5 MW at a power factor of 0.8 lagging using OHTL over 20 km. The resistance and reactance are 0.39Ω and 3.96 Ω. The voltage at receiving station is maintained at 10 KV. The sending end voltage is 11.68 kV. If the voltage regulation is reduced to 50%, then th... | [
"526 A",
"549 A",
"521 A",
"580 A"
] | A | VR = (11.68-10)*100/10
VR = 16.8 %
Half the VR = 16.8/2 %
Half the VR = 8.4%
<img src="https://www.sanfoundry.com/wp-content/uploads/2018/05/power-systems-interview-questions-answers-freshers-q4.png" alt="power-systems-interview-questions-answers-freshers-q4" width="221" height="151" class="alignnone size-full wp-image... | power_systems | |
dba208b1 | The joints in king post are of ________ | [
"Butt",
"Welded",
"Mortice and tenon",
"Lap"
] | C | The joint between the principal rafter and the king post is made by making tenon in the principal rafter and a corresponding mortice into the head of the king post. The joint is further strengthened by an iron stirrup. | strength_of_materials | |
02933d7e | Considering the voltage across the capacitor, the magnification in resonance is? | [
"VC",
"V x VC",
"VC/V",
"V/VC"
] | A | The quality factor of the circuit is Q = XL/R = 2πfrL/R. Given f = 7.12 Hz and L = 5H and R = 100. On substituting the given values in the equation we get the quality factor = (6.28×7.12×5)/100 = 2.24. | network_theory | |
d03a8cde | MFC is used to _________ | [
"Issue a read signal",
"Signal to the device that the memory read operation is complete",
"Signal the processor the memory operation is complete",
"Assign a device to perform the read operation"
] | C | The MFC stands for memory Function Complete. | computer_architecture | |
972c6059 | What happens if the destination file specified in cp command does not exist? | [
"file will not be copied",
"an error will be produced",
"destination file will be automatically created",
"none of the mentioned"
] | C | If the destination file does not exist, then cp command will automatically create a file with the same name and then it copies the contents of the source file to the file which is created. If the destination file already exists, then it will be overwritten with the contents of the source file. | unix | |
bcf7d130 | Name the part of the eye which produces aqueous fluid that fills the front part of the eye. | [
"Ciliary body",
"Cornea",
"Vitreous humor",
"Uvea"
] | D | Choroid is highly pigmented with melanin and vascularized structure which forms the posterior region of vascular tunic. It absorbs scattered light and also supplies blood. | life_sciences | |
f2f1d8b7 | Find the value of ‘a’ if f(x) = ax2+32x+4 is continuous over [-4, 0] and differentiable over (-4, 0) and satisfy the Rolle’s theorem. Hence find the point in interval (-2,0) at which its slope of a tangent is zero | [
"2, -2",
"2, -1",
"8, -1",
"8, -2"
] | D | Since it satisfies Rolle’s Theorem,
f’(c) = 0 = 2ac+32 ………………(1)
and, f(0) = 4 hence by Rolle’s theorem
and, f(-4) = 4 = 16a-128+4 (because f(0)=f(-4) condition of rolle’s theorem)
⇒ a = 8
from, eq.(1)
⇒ c = -2. | engineering_mathematics | |
8e51f49e | 10. In the given query which of the keyword has to be inserted?<div class="hk1_style-wrap4"><div class="hk1_style-wrap3"><div class="hk1_style-wrap2"><div class="hk1_style-wrap"><div class="hk1_style"><div class="sql"><pre class="de1"><span class="kw1">INSERT</span> <span class="kw1">INTO</span> employee _____ <span cl... | [
"Table",
"Values",
"Relation",
"Field"
] | B | Value keyword has to be used to insert the values into the table. | database_management | |
0faa00d9 | Which diagram shows the configuration of run-time processing elements? | [
"Deployment diagram",
"Component diagram",
"Node diagram",
"ER-diagram"
] | C | A statechart diagram shows a state machine, consisting of states, transitions, events, and activities. | software_engineering | |
1cce6de3 | Which of the following is the major point of regulation on the pathway to cholesterol? | [
"Thiolase",
"HMG co-A synthase",
"HMG co-A reductase",
"Pyruvate kinase"
] | C | HMG co-A reductase is the major point of regulation on the pathway to cholesterol. | biochemistry | |
7949948f | When a cylinder is located in a Vee-block, the number of degrees of freedom which are arrested is | [
"2",
"4",
"7",
"8"
] | B | Before placement on Vee-block, cylinder has 6 degrees of freedom. After placement on Vee-block, the cylinder has only 2 degrees of freedom. Hence, the degrees of freedom which are arrested is 6 – 2 = 4. | theory_of_machines | |
64918645 | Which of the following traversing algorithm is not used to traverse in a tree? | [
"Post order",
"Pre order",
"Post order",
"Randomized"
] | D | Generally, all nodes in a tree are visited by using preorder, inorder and postorder traversing algorithms. | data_structures_&_algorithms_i | |
4303ed41 | Which of the following equations is true considering Chezy’s equation? | [
"\\(\\frac{S_0}{S_f} = (\\frac{y_n}{y})^3\\)",
"\\(\\frac{S_0}{S_f} = (\\frac{y}{y_n})^3\\)",
"\\(\\frac{S_f}{S_0} = (\\frac{y_n}{y})^3\\)",
"\\(\\frac{S_f}{S_0} = (\\frac{y_n}{y})^3\\)"
] | C | <img src="https://www.sanfoundry.com/wp-content/uploads/2017/10/fluid-mechanics-questions-answers-gradually-varied-flow-wide-rectangular-channels-q4a.png" alt="fluid-mechanics-questions-answers-gradually-varied-flow-wide-rectangular-channels-q4a" width="433" height="243" class="alignnone size-full wp-image-223779" srcs... | fluid_mechanics | |
c0c8ee68 | Which one is having highest value of overall heat transfer coefficient? | [
"Steam",
"Alcohol condensers",
"Air condensers",
"Air to various gases"
] | C | Overall heat transfer coefficient for air condensers is 780 W/m2 K while that of steam, alcohol condensers and air to various gases are 340 W/m2 K, 700 W/m2 K and 550 W/m2 K. | heat_transfer | |
f5eb2788 | What is the density of Carbon-di-oxide in kg/m3 at 27 degree celcius and 100 KPa? | [
"1.76",
"2.76",
"3.76",
"4.76"
] | A | density = (Pressure*Molecular weight)/(Gas constant*Temperature). | chemical_process_calculation | |
487472d6 | In a computational complexity theory, a problem with decision making is said to be NP-complete when it is both in NP and NP-hard. What does NP mean? | [
"Non Polynomial time",
"Non-deterministic Probabilistic",
"Non-deterministic Polynomial time",
"Non Probabilistic time"
] | C | Although any given solution to an NP-complete problem can be validated quickly in polynomial time; there is no way to efficiently locate a solution to begin with. The unique characteristic of NP-complete problems is that no fast solution to them is known and hence NP-complete problems are said to be non-deterministic p... | data_structures_&_algorithms_ii | |
da28d09c | The ______ of out-of-band signal with bandpass characteristic of the receiver gives the interference in the receiver owing to out-of-band energy at the transmitter. | [
"correlation",
"correlation and convolution",
"integral",
"convolution"
] | A | Physical antenna separation, frequency separation, programmable analog notch filters and active cancellation are the steps used to control interference at RF. | cognitive_radio | |
b8df8204 | What are the parameters over which transfer characteristics curve of bipolar junction transistor is made in common emitter configuration? | [
"Emitter Current and time",
"Emitter Voltage and time",
"Collector Current and frequency",
"Collector to Emitter Voltage and Collector current"
] | A | 0.7 volts is the minimum voltage required to make the base emitter junction of a real silicon bipolar junction transistor in forward biased. This 0.7 volt potential difference between base and emitter terminal makes the PN junction in forward biased. | mechatronics | |
00b3e7d2 | When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a | [
"D-slide valve",
"governor",
"Meyer’s expansion valve",
"flywheel"
] | D | In Meyer’s expansion valve, the main valve is driven by an eccentric having and angle of advance from 250-300 and the expansion valve is driven by an eccentric having angle of advance 800-900. | machine_dynamics | |
a5ea1ce1 | When a station moves only within the direct communication range of the communication stations of a single BSS, it is referred to as – | [
"No transition",
"BSS transition",
"ESS transition",
"All of the mentioned"
] | A | When a station moves only within the direct communication range of the communication stations of a single BSS, it is referred to as No transition. | cryptograph_&_network_security | |
92f87ee4 | Acetal on acid hydrolysis generates which of the following? | [
"Alcohol",
"Amine and aldehyde",
"Ketone and alcohol",
"Ketone and ether"
] | C | A series of cyclic and acyclic acetals and ketals were hydrolyzed to their corresponding carbonyl compounds by a catalytic amount of CBr4 (20%) in CH3CN/H2O solvent mixture under different energy sources, thermal or ultrasound. | organic_chemistry | |
9bfe509d | The time required to create a new thread in an existing process is ___________ | [
"greater than the time required to create a new process",
"less than the time required to create a new process",
"equal to the time required to create a new process",
"none of the mentioned"
] | B | None. | operating_system | |
d52f5ff7 | Which of the following function is used to find the column count of the particular resultset? | [
"getMetaData()",
"Metadata()",
"getColumn()",
"get Count()"
] | C | JDBC provides a Callable Statement interface that allows invocation of SQL stored procedures and functions. | database_management |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.