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{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 14,
"question": "The value of the real variable 𝑥≥0, which maximizes the function f(x) is",
"options": [
"e",
"0",
"1/e",
"1"
],
"answer": 0,
"image_png": "ch_question_14.png",
"image_information": "essential",
"image_type": "diagram",
"parallel_question_id": null
},
{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 21,
"question": "A control system on the jacket side of a reactor is shown in the figure. Pressurized water flows through the jacket to cool the reactor. The heated water flashes in the boiler. The exothermic reaction heat thus generates steam. Fresh boiler feed water (BFW) is added to make-up for the loss of water as steam. Assume that all control valves are air-to-open. The controller action, ‘direct’ or ‘reverse’, is defined with respect to the controller. Select the option that correctly specifies the action of the controllers.",
"options": [
"PC: Reverse, LC: Direct, TC: Reverse",
"PC: Direct, LC: Reverse, TC: Direct",
"PC: Direct, LC: Reverse, TC: Reverse",
"PC: Reverse, LC: Direct, TC: Direct"
],
"answer": 2,
"image_png": "ch_question_21.png",
"image_information": "essential",
"image_type": "diagram",
"parallel_question_id": null
},
{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 22,
"question": "Liquid flowing through a heat exchanger (HX) is heated. A bypass stream is provided to control the temperature of the heated exit stream. From the given plumbing options, the one that provides the most effective temperature control for large disturbances while avoiding vaporization in the heat exchanger is",
"options": [
"A",
"B",
"C",
"D"
],
"answer": 2,
"image_png": "ch_question_22.png",
"image_information": "essential",
"image_type": "diagram",
"parallel_question_id": null
},
{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 23,
"question": "The appropriate feedforward compensator, 𝐺ff, in the shown block diagram is",
"options": [
"𝐺ff = (2/3) * (8s + 1)/(5s + 1)",
"𝐺ff = (-2/3) * (8s + 1)/(5s + 1)",
"𝐺ff = (3/2) * ((5s + 1)/(8s + 1)) * e⁻ˢ",
"𝐺ff = (-3/2) * ((5s + 1)/(8s + 1)) * e⁻ˢ"
],
"answer": 0,
"image_png": "ch_question_23.png",
"image_information": "essential",
"image_type": "diagram",
"parallel_question_id": null
},
{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 24,
"question": "Choose the option that correctly pairs the given measurement devices with the quantities they measure.",
"options": [
"I-E II-C III-D IV-B V-A",
"I-C II-D III-A IV-B V-C",
"I-C II-D III-E IV-A V-D",
"I-D II-C III-A IV-E V-C"
],
"answer": 1,
"image_png": "ch_question_24.png",
"image_information": "essential",
"image_type": "table",
"parallel_question_id": null
},
{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 27,
"question": "In an enzymatic reaction, an inhibitor (I) competes with the substrate (S) to bind with the enzyme (E), thereby reducing the rate of product (P) formation. The competitive inhibition follows the reaction mechanism shown below. Let [S] and [I] be the concentration of S and I, respectively, and 𝑟(cid:3046) be the rate of consumption of S. Assuming pseudo-steady state, the correct plot of 1/-rₛ vs 1/[s] is",
"options": [
"A",
"B",
"C",
"D"
],
"answer": 0,
"image_png": "ch_question_27.png",
"image_information": "essential",
"image_type": "diagram",
"parallel_question_id": null
},
{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 37,
"question": "𝑁 moles of an ideal gas undergo a two-step process as shown in the figure. Let 𝑃, 𝑉 and 𝑇 denote the pressure, volume and temperature of the gas, respectively. The gas, initially at state-1 (𝑃₁, 𝑉₁, 𝑇₁), undergoes an isochoric (constant volume) process to reach state-A, and then undergoes an isobaric (constant pressure) expansion to reach state-2 (𝑃₂, 𝑉₂, 𝑇₂). For an ideal gas, 𝐶ₚ – 𝐶ᵥ = 𝑁𝑅, where 𝐶ₚ and 𝐶ᵥ are the heat capacities at constant pressure and constant volume, respectively, and assumed to be temperature independent. The heat gained by the gas in the two-step process is given by",
"options": [
"𝑃₂(𝑉₂ - 𝑉₁) + 𝐶ᵥ(𝑇₂ - 𝑇₁)",
"𝑃₂(𝑉₂ - 𝑉₁) + 𝐶ₚ(𝑇₂ - 𝑇₁)",
"𝐶ₚ(𝑇₂ - 𝑇₁) + 𝐶ᵥ(𝑇₂ - 𝑇₁)",
"𝑃₂𝑉₂ - 𝑃₁𝑉₁"
],
"answer": 0,
"image_png": "ch_question_37.png",
"image_information": "essential",
"image_type": "diagram",
"parallel_question_id": null
},
{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 38,
"question": "A horizontal cylindrical water jet of diameter 𝐷₁ = 2 cm strikes a vertical solid plate with a hole of diameter 𝐷₂ = 1 cm, as shown in the figure. A part of the jet passes through the hole and the rest is deflected along the plate. The density of water is 1000 kg m-3. If the speed of the jet is 20 m s-1, the magnitude of the horizontal force, in N, required to hold the plate stationary is",
"options": [
"30ℼ",
"10ℼ",
"20ℼ",
"5ℼ"
],
"answer": 0,
"image_png": "ch_question_38.png",
"image_information": "essential",
"image_type": "diagram",
"parallel_question_id": null
},
{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 39,
"question": "Consider a horizontal rod of radius 𝑎𝑅 (𝑎 < 1) in a stationary pipe of radius 𝑅. The rod is pulled coaxially at a constant velocity 𝑉 as shown in the figure. The annular region is filled with a Newtonian incompressible fluid of viscosity μ. The steady state fully developed axial velocity profile in the fluid is given by u(r) = V * (ln(r/R)/ln(𝑎)), where r is the radial coordinate. Ignoring end effects, the magnitude of the pulling force per unit rod length is",
"options": [
"ℼμV",
"-2ℼμV/ln(𝑎)",
"0",
"-ℼμV/ln(𝑎)"
],
"answer": 1,
"image_png": "ch_question_39.png",
"image_information": "essential",
"image_type": "diagram",
"parallel_question_id": null
},
{
"language": "en",
"country": "India",
"file_name": "ch_2022.pdf",
"source": "https://gate.iitkgp.ac.in/documents/gatepapers/2022/ch_2022.pdf",
"license": "Education and Research",
"level": "Graduate Aptitude Test in Engineering (GATE)",
"category_en": "Chemical Engineering",
"category_original_lang": "रासायनिक अभियांत्रिकी",
"original_question_num": 43,
"question": "Match the product in Group-1 with the manufacturing process in Group-2. The correct combination is",
"options": [
"P-III, Q-I, R-IV, S-II",
"P-IV, Q-I, R-II, S-III",
"P-III, Q-IV, R-I, S-II",
"P-I, Q-IV, R-II, S-III"
],
"answer": 2,
"image_png": "ch_question_43.png",
"image_information": "essential",
"image_type": "table",
"parallel_question_id": null
}
] |