add cnc questions

app.py

@@ -47,13 +47,15 @@ def get_current_question(state):
         return "Game Over! Please press 'Restart' to play again.", []
 
 def process_answer(user_answer, state):
-    # If game already finished
+    total = len(state["questions"])
+
+    # If game already finished and user clicks again
     if state["finished"]:
         return (
             "Game Over! Please press 'Restart' to play again.",
             state,
-            gr.update(choices=[], value=None),
-            "### Game Over!",
+            gr.update(choices=["Quiz finished"], value="Quiz finished"),
+            f"### 🎉 Game Over!\n**Final Score:** {state['score']}/{total}",
             str(state["score"]),
         )
 
@@ -70,20 +72,19 @@ def process_answer(user_answer, state):
     state["index"] += 1
 
     # If no more questions
-    if state["index"] == len(state["questions"]):
+    if state["index"] == total:
         state["finished"] = True
-        feedback += f" 🎉 Game Over! Your final score is {state['score']}/{len(state['questions'])}."
+        feedback += f" 🎉 Game Over! Your final score is {state['score']}/{total}."
         return (
             feedback,
             state,
-            gr.update(choices=[], value=None),
-            "### Game Over!",
+            gr.update(choices=["Quiz finished"], value="Quiz finished"),
+            f"### 🎉 Game Over!\n**Final Score:** {state['score']}/{total}",
             str(state["score"]),
         )
 
     # Otherwise show next question
     new_question, new_options = get_current_question(state)
-    # wrap question in markdown header so it looks nice
     return (
         feedback,
         state,
@@ -131,15 +132,15 @@ with gr.Blocks() as demo:
 
     state = gr.State()
 
-    # use Markdown so question auto-sizes
-    question_md = gr.Markdown("## Question will appear here")
+    # question shown as markdown so it can be multiline
+    question_md = gr.Markdown("### Question will appear here")
 
     options_buttons = gr.Radio(
         choices=[],
         label=" ",
-        interactive=True,
-        elem_classes=["vertical-radio"],
         show_label=False,
+        interactive=True,
+        elem_classes=["vertical-radio"]
     )
 
     with gr.Row():
@@ -149,21 +150,18 @@ with gr.Blocks() as demo:
     feedback_box = gr.Textbox(label="Feedback", interactive=False)
     score_box = gr.Textbox(label="Score", value="0", interactive=False)
 
-    # Submit button logic
     submit_btn.click(
         process_answer,
         inputs=[options_buttons, state],
         outputs=[feedback_box, state, options_buttons, question_md, score_box],
     )
 
-    # Restart button logic
     reset_btn.click(
         reset_game,
         inputs=[],
         outputs=[state, question_md, options_buttons, feedback_box, score_box],
     )
 
-    # On load, populate first question
     demo.load(
         load_game,
         inputs=None,
@@ -174,5 +172,5 @@ demo.launch()
 
 
 
-# cd 251104_trivia_game/
+# cd 251104_CNC_code_review/
 # python app.py

questions.tex

@@ -1,27 +1,1608 @@
 \begin{questions}
 
 \question
-What is claimed to be the overall advantage of criterion-referred interpretation?
-\choice {An individual's score is compared with the set mastery level}
-        {An individual's score is compared with that of his peers.}
-        {An individual's score is compared with the average scores.}
-        {An individual's score does not to be compared with any measure.}
-        {a}
-
-\question
-Which is an element of norm-referenced grading?
-\choice {The student's past performance.}
-        {An absolute standard}
-        {The performance of the group}
-        {What constitutes a perfect score}
-        {c}
-
-\question
-Which characteristic of good test will pupils be assured of when a teacher constructs a table of specifications for test construction purposes?
-\choice {Authenticity}
-        {Reliability}
-        {Construct Validity}
-        {Content Validity}
-        {d}
+Which G-code is used for rapid positioning?
+\choice	{G01}
+		{G90}
+		{G00}
+		{G43}
+		{c}
+
+\question
+What is the function of G01?
+\choice	{Linear interpolation using feed rate}
+		{Return to reference point}
+		{Cutter compensation right}
+		{Drill cycle}
+		{a}
+
+\question
+Which G-code commands circular interpolation clockwise (CW)?
+\choice	{G03}
+		{G00}
+		{G02}
+		{G41}
+		{c}
+
+\question
+Which G-code performs circular interpolation CCW?
+\choice	{G03}
+		{G17}
+		{G64}
+		{G02}
+		{a}
+
+\question
+What does G04 do?
+\choice	{Dwell}
+		{Exact stop}
+		{Reset scale factors}
+		{Mirror image cancel}
+		{a}
+
+\question
+Which G-code forces an exact stop at the end of the move?
+\choice	{G09}
+		{G04}
+		{G41}
+		{G82}
+		{a}
+
+\question
+What is the function of G10?
+\choice	{Data setting}
+		{Drill cycle}
+		{Cutter comp left}
+		{Return to reference}
+		{a}
+
+\question
+G17 selects which CNC machining plane?
+\choice	{X–Y plane}
+		{Z–X plane}
+		{Z–Y plane}
+		{Machine coordinate plane}
+		{a}
+
+\question
+G18 selects which plane?
+\choice	{X–Y plane}
+		{Z–X plane}
+		{Z–Y plane}
+		{Local coordinate plane}
+		{b}
+
+\question
+G19 selects which plane?
+\choice	{Z–Y plane}
+		{X–Y plane}
+		{Z–X plane}
+		{Drill plane}
+		{a}
+
+\question
+Which G-code specifies imperial (inch) units?
+\choice	{G21}
+		{G20}
+		{G17}
+		{G55}
+		{b}
+
+\question
+Which G-code specifies metric units?
+\choice	{G20}
+		{G21}
+		{G43}
+		{G98}
+		{b}
+
+\question
+What does G22 activate?
+\choice	{Stored stroke limit setting}
+		{Stroke limit cancel}
+		{Probe skip}
+		{Circular interpolation CCW}
+		{a}
+
+\question
+What does G23 do?
+\choice	{Stored stroke limit cancel}
+		{Stored stroke limit set}
+		{Reference check}
+		{Mirror image}
+		{a}
+
+\question
+Which G-code performs a reference point return check?
+\choice	{G27}
+		{G29}
+		{G81}
+		{G61}
+		{a}
+
+\question
+Which G-code returns the machine to its reference point?
+\choice	{G31}
+		{G30}
+		{G28}
+		{G04}
+		{c}
+
+\question
+G29 performs:
+\choice	{Return from reference point}
+		{Return to reference point}
+		{Macro call}
+		{Plane select}
+		{a}
+
+\question
+Which G-code returns the tool to a 2nd, 3rd or 4th reference point?
+\choice	{G28}
+		{G30}
+		{G27}
+		{G17}
+		{b}
+
+\question
+G30.1 performs:
+\choice	{Floating reference point return}
+		{Tool length cancel}
+		{Probe skip}
+		{Mirror image}
+		{a}
+
+\question
+Which G-code activates the probe skip function?
+\choice	{G40}
+		{G31}
+		{G42}
+		{G62}
+		{b}
+
+\question
+Which G-code cancels cutter compensation?
+\choice	{G40}
+		{G41}
+		{G42}
+		{G49}
+		{a}
+
+\question
+G41 commands:
+\choice	{Cutter comp left}
+		{Cutter comp right}
+		{Cancel comp}
+		{Tool length increase}
+		{a}
+
+\question
+G42 commands:
+\choice	{Cutter comp right}
+		{Cutter comp left}
+		{Cancel comp}
+		{Mirror on}
+		{a}
+
+\question
+G43 applies:
+\choice	{Tool length compensation +}
+		{Tool length compensation –}
+		{Cancel tool comp}
+		{Plane select}
+		{a}
+
+\question
+G44 applies:
+\choice	{Tool length compensation –}
+		{Tool length compensation +}
+		{Mirror on}
+		{Machine coordinate}
+		{a}
+
+\question
+Which G-code increases tool position offset?
+\choice	{G47}
+		{G45}
+		{G46}
+		{G48}
+		{b}
+
+\question
+G46 performs:
+\choice	{Tool position offset decrease}
+		{Offset increase}
+		{Tool length cancel}
+		{Exact stop}
+		{a}
+
+\question
+G47 performs:
+\choice	{Tool position offset double increase}
+		{Offset decrease}
+		{Offset increase}
+		{Return home}
+		{a}
+
+\question
+G48 performs:
+\choice	{Tool position offset double decrease}
+		{Offset increase}
+		{Reset scale}
+		{Dwell}
+		{a}
+
+\question
+What does G49 do?
+\choice	{Cancel tool length compensation}
+		{Apply tool comp +}
+		{Return reference}
+		{Mirror on}
+		{a}
+
+\question
+Which G-code resets scale factors to 1.0?
+\choice	{G50}
+		{G51}
+		{G92}
+		{G72}
+		{a}
+
+\question
+Which G-code sets axis input scale factors?
+\choice	{G51}
+		{G50}
+		{G17}
+		{G99}
+		{a}
+
+\question
+G50.1 performs:
+\choice	{Programmable mirror image cancel}
+		{Programmable mirror image}
+		{Tool length comp}
+		{Dwell}
+		{a}
+
+\question
+G51.1 performs:
+\choice	{Programmable mirror image}
+		{Mirror cancel}
+		{Offset increase}
+		{Cutter comp left}
+		{a}
+
+\question
+What does G52 do?
+\choice	{Local coordinate system setting}
+		{Machine coordinate system}
+		{WCS 1}
+		{Absolute mode}
+		{a}
+
+\question
+Which G-code activates machine coordinate system?
+\choice	{G53}
+		{G52}
+		{G54}
+		{G59}
+		{a}
+
+\question
+Which G-code activates WCS 1?
+\choice	{G54}
+		{G53}
+		{G55}
+		{G92}
+		{a}
+
+\question
+Which G-code activates WCS 2?
+\choice	{G55}
+		{G57}
+		{G58}
+		{G59}
+		{a}
+
+\question
+Which G-code activates WCS 3?
+\choice	{G56}
+		{G58}
+		{G59}
+		{G92.1}
+		{a}
+
+\question
+Which G-code activates WCS 4?
+\choice	{G57}
+		{G58}
+		{G56}
+		{G40}
+		{a}
+
+\question
+Which G-code activates WCS 5?
+\choice	{G58}
+		{G59}
+		{G54}
+		{G57}
+		{a}
+
+\question
+Which G-code activates WCS 6?
+\choice	{G59}
+		{G55}
+		{G58}
+		{G45}
+		{a}
+
+\question
+G60 performs:
+\choice	{Single direction positioning}
+		{Exact stop}
+		{Cutting mode}
+		{Macro cancel}
+		{a}
+
+\question
+G61 performs:
+\choice	{Exact stop mode}
+		{Continuous cutting mode}
+		{Machine coordinates}
+		{Local coordinates}
+		{a}
+
+\question
+What does G62 do?
+\choice	{Automatic corner override}
+		{Exact stop}
+		{Incremental mode}
+		{Return home}
+		{a}
+
+\question
+G63 activates:
+\choice	{Tapping mode}
+		{Cutting mode}
+		{Probe skip}
+		{Mirror image}
+		{a}
+
+\question
+G64 activates:
+\choice	{Cutting mode (continuous)}
+		{Exact stop mode}
+		{Single direction}
+		{Work coordinate}
+		{a}
+
+\question
+Which G-code calls a macro?
+\choice	{G65}
+		{G66}
+		{G67}
+		{G69}
+		{a}
+
+\question
+Which G-code performs macro modal call?
+\choice	{G65}
+		{G66}
+		{G67}
+		{G04}
+		{b}
+
+\question
+What does G67 do?
+\choice	{Macro modal call cancel}
+		{Macro modal call}
+		{Macro call}
+		{Probe function}
+		{a}
+
+
+
+
+
+
+
+
+
+
+
+\question
+What does G68 do?
+\choice	{Coordinate rotation}
+		{Mirror image}
+		{Probe skip}
+		{Return reference}
+		{a}
+
+\question
+What does G69 do?
+\choice	{Coordinate rotation cancel}
+		{Coordinate rotation}
+		{Tool length cancel}
+		{WCS select}
+		{a}
+
+\question
+G72.1 is used for:
+\choice	{Rotation copy}
+		{Parallel copy}
+		{Macro modal call}
+		{Offset increase}
+		{a}
+
+\question
+G72.2 is used for:
+\choice	{Parallel copy}
+		{Rotation copy}
+		{Dwell}
+		{Cutting mode}
+		{a}
+
+\question
+G73 performs:
+\choice	{Pattern repeating cycle}
+		{Face grooving}
+		{Rigid tapping}
+		{Backboring}
+		{a}
+
+\question
+G74 (mill) performs:
+\choice	{Left-hand tapping}
+		{Fine boring}
+		{Drill cycle}
+		{Cutter comp left}
+		{a}
+
+\question
+G74 (lathe) performs:
+\choice	{Face grooving cycle}
+		{Left-hand tapping}
+		{Parallel copy}
+		{Exact stop}
+		{a}
+
+\question
+G76 performs:
+\choice	{Fine boring cycle}
+		{Face grooving}
+		{Tapping}
+		{Macro call}
+		{a}
+
+\question
+G80 does what?
+\choice	{Cancel cycles}
+		{Drill cycle}
+		{Boring cycle}
+		{Exact stop mode}
+		{a}
+
+\question
+G81 commands:
+\choice	{Drill cycle}
+		{Drill with dwell}
+		{Peck drilling}
+		{Tapping cycle}
+		{a}
+
+\question
+G82 performs:
+\choice	{Drill cycle with dwell}
+		{Drill cycle without dwell}
+		{Backboring}
+		{Exact stop}
+		{a}
+
+\question
+G83 performs:
+\choice	{Peck drilling cycle}
+		{Rigid tapping}
+		{Boring with dwell}
+		{Return from reference}
+		{a}
+
+\question
+G84 performs:
+\choice	{Tapping cycle}
+		{Backboring}
+		{Boring cycle}
+		{Macro modal call}
+		{a}
+
+\question
+G84.2 is:
+\choice	{Rigid tapping cycle}
+		{Rigid counter tapping}
+		{Drill cycle}
+		{Peck cycle}
+		{a}
+
+\question
+G84.3 is:
+\choice	{Rigid counter tapping cycle}
+		{Rigid tapping}
+		{Boring cycle}
+		{Macro cancel}
+		{a}
+
+\question
+G85 performs:
+\choice	{Boring cycle}
+		{Backboring}
+		{Fine boring}
+		{Rigid tapping}
+		{a}
+
+\question
+G86 performs:
+\choice	{Boring cycle (spindle stop, rapid out)}
+		{Boring with dwell}
+		{Manual return boring}
+		{Pattern repeat}
+		{a}
+
+\question
+G87 performs:
+\choice	{Backboring cycle}
+		{Rigid tapping}
+		{Face grooving}
+		{Tool offset increase}
+		{a}
+
+\question
+G88 performs:
+\choice	{Boring cycle (manual return)}
+		{Boring with dwell}
+		{Backboring}
+		{Dwell cycle}
+		{a}
+
+\question
+G89 performs:
+\choice	{Boring cycle with dwell}
+		{Peck cycle}
+		{Drill cycle}
+		{Macro call}
+		{a}
+
+\question
+G90 activates:
+\choice	{Absolute programming mode}
+		{Incremental mode}
+		{Machine coordinates}
+		{Mirror image}
+		{a}
+
+\question
+G91 activates:
+\choice	{Incremental programming}
+		{Absolute programming}
+		{Machine coordinates}
+		{Local offsets}
+		{a}
+
+\question
+G92 performs:
+\choice	{Alteration of work-coordinate system}
+		{Machine coordinate select}
+		{Mirror cancel}
+		{Cycle cancel}
+		{a}
+
+\question
+G92.1 performs:
+\choice	{Work coordinate preset}
+		{WCS alteration}
+		{Mirror on}
+		{Cutter comp right}
+		{a}
+
+\question
+G98 commands:
+\choice	{Canned cycle initial point return}
+		{Canned cycle R-point return}
+		{Metric mode}
+		{Mirror cancel}
+		{a}
+
+\question
+G99 commands:
+\choice	{Canned cycle reference point return}
+		{Initial point return}
+		{Metric mode}
+		{Rapid travel}
+		{a}
+
+\question
+Which G-code ends a drilling cycle and returns to initial point?
+\choice	{G98}
+		{G99}
+		{G88}
+		{G28}
+		{a}
+
+\question
+Which G-code returns to the R-point in cycle?
+\choice	{G99}
+		{G98}
+		{G80}
+		{G76}
+		{a}
+
+\question
+Which G-code pair controls absolute vs incremental mode?
+\choice	{G90 / G91}
+		{G98 / G99}
+		{G40 / G41}
+		{G50 / G51}
+		{a}
+
+\question
+Which G-code pair controls inch/mm units?
+\choice	{G20 / G21}
+		{G17 / G18}
+		{G41 / G42}
+		{G90 / G91}
+		{a}
+
+\question
+Circular interpolation CW and CCW are:
+\choice	{G02 / G03}
+		{G17 / G19}
+		{G50 / G51}
+		{G80 / G89}
+		{a}
+
+\question
+Which G-code group controls plane selection?
+\choice	{G17–G19}
+		{G20–G21}
+		{G40–G42}
+		{G90–G92}
+		{a}
+
+\question
+Which G-code controls local coordinate system?
+\choice	{G52}
+		{G53}
+		{G54}
+		{G92}
+		{a}
+
+\question
+Which G-code activates machine coordinates?
+\choice	{G53}
+		{G54}
+		{G52}
+		{G69}
+		{a}
+
+\question
+Which G-code group activates WCS 1–6?
+\choice	{G54–G59}
+		{G20–G21}
+		{G41–G42}
+		{G80–G89}
+		{a}
+
+\question
+Which G-code increases tool offset?
+\choice	{G45}
+		{G46}
+		{G48}
+		{G43}
+		{a}
+
+\question
+Which G-code decreases tool offset?
+\choice	{G46}
+		{G45}
+		{G47}
+		{G48}
+		{a}
+
+\question
+Which G-code doubles the increase of tool offset?
+\choice	{G47}
+		{G45}
+		{G46}
+		{G48}
+		{a}
+
+\question
+Which G-code doubles the decrease of tool offset?
+\choice	{G48}
+		{G45}
+		{G46}
+		{G47}
+		{a}
+
+\question
+Which G-code applies tool length compensation +?
+\choice	{G43}
+		{G44}
+		{G49}
+		{G40}
+		{a}
+
+\question
+Which G-code applies tool length compensation –?
+\choice	{G44}
+		{G43}
+		{G40}
+		{G52}
+		{a}
+
+\question
+Which G-code cancels tool length compensation?
+\choice	{G49}
+		{G43}
+		{G44}
+		{G48}
+		{a}
+
+\question
+Which G-code resets mirror mode?
+\choice	{G50.1}
+		{G51.1}
+		{G69}
+		{G40}
+		{a}
+
+\question
+Which G-code enables mirror mode?
+\choice	{G51.1}
+		{G50.1}
+		{G68}
+		{G48}
+		{a}
+
+\question
+What is the primary plane for milling?
+\choice	{G17 – X-Y plane}
+		{G18 – Z-X plane}
+		{G19 – Z-Y plane}
+		{G72.1 – Rotation copy}
+		{a}
+
+\question
+Which plane is used for vertical arc cuts (Y-Z)?
+\choice	{G19}
+		{G17}
+		{G18}
+		{G64}
+		{a}
+
+\question
+Which plane is used for X-Z arc moves?
+\choice	{G18}
+		{G17}
+		{G19}
+		{G51}
+		{a}
+
+\question
+Which mode produces continuous cutting without exact stops?
+\choice	{G64}
+		{G61}
+		{G60}
+		{G48}
+		{a}
+
+\question
+Which mode forces exact stops at every block?
+\choice	{G61}
+		{G64}
+		{G60}
+		{G92.1}
+		{a}
+
+
+		
+
+
+
+
+
+
+
+
+
+
+
+\question
+What does G80 do?
+	\choice	{Cancel cycles}
+			{Cutter comp left}
+			{Machine coordinate}
+			{Local coordinate}
+			{a}
+
+\question
+G81 is which type of cycle?
+	\choice	{Drill cycle}
+			{Peck drilling}
+			{Tapping cycle}
+			{Boring cycle}
+			{a}
+
+\question
+G82 performs:
+	\choice	{Drill cycle with dwell}
+			{Normal drilling}
+			{Rigid tapping}
+			{Backboring}
+			{a}
+
+\question
+Which G-code performs peck drilling?
+	\choice	{G83}
+			{G82}
+			{G86}
+			{G88}
+			{a}
+
+\question
+G84 performs what cycle?
+	\choice	{Tapping cycle}
+			{Boring cycle}
+			{Peck drilling}
+			{Backboring}
+			{a}
+
+\question
+G84.2 performs:
+	\choice	{Rigid tapping cycle}
+			{Tapping cycle}
+			{Boring cycle}
+			{Face grooving}
+			{a}
+
+\question
+G84.3 performs:
+	\choice	{Rigid counter tapping cycle}
+			{Rigid tapping cycle}
+			{Peck drilling}
+			{Fine boring}
+			{a}
+
+\question
+What is G85?
+	\choice	{Boring cycle}
+			{Drill with dwell}
+			{Backboring}
+			{Manual return bore}
+			{a}
+
+\question
+What does G86 do?
+	\choice	{Boring (spindle stop, rapid out)}
+			{Boring with dwell}
+			{Tapping}
+			{Counter tapping}
+			{a}
+
+\question
+What does G87 perform?
+	\choice	{Backboring cycle}
+			{Fine boring}
+			{Peck drilling}
+			{Dwell bore}
+			{a}
+
+\question
+G88 performs:
+	\choice	{Boring cycle (manual return)}
+			{Boring cycle with dwell}
+			{Drilling}
+			{Rigid tapping}
+			{a}
+
+\question
+G89 performs:
+	\choice	{Boring cycle with dwell}
+			{Boring rapid out}
+			{Backboring}
+			{Tapping}
+			{a}
+
+\question
+G90 activates:
+	\choice	{Absolute programming}
+			{Incremental mode}
+			{Machine coordinate mode}
+			{Mirror image}
+			{a}
+
+\question
+G91 activates:
+	\choice	{Incremental programming}
+			{Absolute programming}
+			{Machine coordinates}
+			{Tool length comp}
+			{a}
+
+\question
+G92 performs:
+	\choice	{Alteration of work coordinate system}
+			{Absolute mode}
+			{Metric units}
+			{Cancel offsets}
+			{a}
+
+\question
+G92.1 performs:
+	\choice	{Work coordinate preset}
+			{Incremental setting}
+			{Tool comp cancel}
+			{Rotation cancel}
+			{a}
+
+\question
+Which G-code commands a canned cycle initial point return?
+	\choice	{G98}
+			{G99}
+			{G92}
+			{G90}
+			{a}
+
+\question
+Which G-code commands a canned cycle reference point return?
+	\choice	{G99}
+			{G98}
+			{G54}
+			{G52}
+			{a}
+
+\question
+Which of the following is G80?
+	\choice	{Cancel cycles}
+			{Metric units}
+			{Cutter comp left}
+			{Peck drilling}
+			{a}
+
+\question
+Which of the following is G81?
+	\choice	{Drill cycle}
+			{Tapping cycle}
+			{Local coordinate}
+			{Machine coordinate}
+			{a}
+
+\question
+Which G-code corresponds to “Drill with dwell”?
+	\choice	{G82}
+			{G81}
+			{G83}
+			{G89}
+			{a}
+
+\question
+Which G-code corresponds to “Peck drilling”?
+	\choice	{G83}
+			{G82}
+			{G89}
+			{G84}
+			{a}
+
+\question
+Identify the tapping cycle:
+	\choice	{G84}
+			{G89}
+			{G80}
+			{G72}
+			{a}
+
+\question
+Rigid tapping is:
+	\choice	{G84.2}
+			{G84}
+			{G88}
+			{G81}
+			{a}
+
+\question
+Rigid counter tapping is:
+	\choice	{G84.3}
+			{G84.2}
+			{G86}
+			{G82}
+			{a}
+
+\question
+Which G-code is “Boring cycle”?
+	\choice	{G85}
+			{G88}
+			{G87}
+			{G86}
+			{a}
+
+\question
+Which G-code is “Boring with spindle stop, rapid out”?
+	\choice	{G86}
+			{G85}
+			{G89}
+			{G88}
+			{a}
+
+\question
+Which one is backboring?
+	\choice	{G87}
+			{G88}
+			{G82}
+			{G61}
+			{a}
+
+\question
+Which bore cycle uses manual return?
+	\choice	{G88}
+			{G87}
+			{G89}
+			{G83}
+			{a}
+
+\question
+Which boring cycle includes a dwell?
+	\choice	{G89}
+			{G86}
+			{G85}
+			{G90}
+			{a}
+
+\question
+Which G-code activates absolute programming?
+	\choice	{G90}
+			{G91}
+			{G92}
+			{G98}
+			{a}
+
+\question
+Which G-code activates incremental programming?
+	\choice	{G91}
+			{G90}
+			{G54}
+			{G62}
+			{a}
+
+\question
+Which G-code alters the work coordinate system?
+	\choice	{G92}
+			{G92.1}
+			{G59}
+			{G43}
+			{a}
+
+\question
+Which G-code performs “Work coordinate preset”?
+	\choice	{G92.1}
+			{G98}
+			{G61}
+			{G59}
+			{a}
+
+\question
+Identify the G-code for initial point return:
+	\choice	{G98}
+			{G99}
+			{G92}
+			{G80}
+			{a}
+
+\question
+Identify the G-code for reference point return:
+	\choice	{G99}
+			{G98}
+			{G92.1}
+			{G52}
+			{a}
+
+\question
+Which is the boring cycle with dwell?
+	\choice	{G89}
+			{G85}
+			{G87}
+			{G82}
+			{a}
+
+\question
+Which is the standard tapping cycle?
+	\choice	{G84}
+			{G83}
+			{G81}
+			{G86}
+			{a}
+
+\question
+Which is peck drilling?
+	\choice	{G83}
+			{G82}
+			{G81}
+			{G88}
+			{a}
+
+\question
+Which cycle has manual return?
+	\choice	{G88}
+			{G86}
+			{G89}
+			{G87}
+			{a}
+
+\question
+Which G-code is used for backboring?
+	\choice	{G87}
+			{G88}
+			{G89}
+			{G85}
+			{a}
+
+\question
+Which G-code stops spindle then rapid-out?
+	\choice	{G86}
+			{G85}
+			{G88}
+			{G90}
+			{a}
+
+\question
+Which is the simple boring cycle?
+	\choice	{G85}
+			{G86}
+			{G87}
+			{G89}
+			{a}
+
+\question
+Which represents absolute mode?
+	\choice	{G90}
+			{G91}
+			{G92}
+			{G92.1}
+			{a}
+
+\question
+Which represents incremental mode?
+	\choice	{G91}
+			{G90}
+			{G52}
+			{G59}
+			{a}
+
+\question
+Which G-code presets work coordinates?
+	\choice	{G92.1}
+			{G92}
+			{G98}
+			{G80}
+			{a}
+
+\question
+Which G-code returns to initial point in canned cycles?
+	\choice	{G98}
+			{G99}
+			{G92}
+			{G91}
+			{a}
+
+\question
+Which G-code returns to reference point in canned cycles?
+	\choice	{G99}
+			{G98}
+			{G92}
+			{G93}
+			{a}
+
+
+			
+
+
+
+
+\question
+Which G-code activates absolute programming?
+\choice	{G91}
+		{G98}
+		{G92}
+		{G90}
+		{d}
+
+\question
+Which G-code activates incremental programming?
+\choice	{G91}
+		{G54}
+		{G20}
+		{G17}
+		{a}
+
+\question
+What does G92 do?
+\choice	{Work coordinate preset}
+		{Mirror cancel}
+		{Spindle CW}
+		{Reference return}
+		{a}
+
+\question
+What does G92.1 do?
+\choice	{Cancel work coordinate preset}
+		{Apply WCS 2}
+		{Turn coolant on}
+		{Enable tapping mode}
+		{a}
+
+\question
+Which G-code returns to canned cycle initial point?
+\choice	{G99}
+		{G98}
+		{G80}
+		{G02}
+		{b}
+
+\question
+Which G-code returns to canned cycle reference point?
+\choice	{G98}
+		{G99}
+		{G83}
+		{G31}
+		{b}
+
+\question
+Which M-code stops the program?
+\choice	{M0}
+		{M30}
+		{M6}
+		{M9}
+		{a}
+
+\question
+Which M-code is an optional stop?
+\choice	{M1}
+		{M3}
+		{M5}
+		{M8}
+		{a}
+
+\question
+Which M-code ends the program?
+\choice	{M0}
+		{M19}
+		{M2}
+		{M11}
+		{c}
+
+\question
+Which M-code starts the spindle clockwise?
+\choice	{M4}
+		{M5}
+		{M3}
+		{M9}
+		{c}
+
+\question
+Which M-code starts the spindle counterclockwise?
+\choice	{M5}
+		{M3}
+		{M4}
+		{M30}
+		{c}
+
+\question
+Which M-code stops the spindle?
+\choice	{M3}
+		{M9}
+		{M5}
+		{M2}
+		{c}
+
+\question
+Which M-code commands an automatic tool change?
+\choice	{M6}
+		{M19}
+		{M3}
+		{M13}
+		{a}
+
+\question
+Which M-code turns on mist coolant?
+\choice	{M30}
+		{M9}
+		{M4}
+		{M7}
+		{d}
+
+\question
+Which M-code turns on flood coolant?
+\choice	{M7}
+		{M8}
+		{M9}
+		{M11}
+		{b}
+
+\question
+Which M-code turns off all coolant?
+\choice	{M7}
+		{M30}
+		{M9}
+		{M1}
+		{c}
+
+\question
+Which M-code clamps the 4th axis?
+\choice	{M11}
+		{M10}
+		{M12}
+		{M6}
+		{b}
+
+\question
+Which M-code unclamps the 4th axis?
+\choice	{M10}
+		{M11}
+		{M19}
+		{M5}
+		{b}
+
+\question
+Which M-code clamps the 5th axis?
+\choice	{M10}
+		{M13}
+		{M12}
+		{M7}
+		{c}
+
+\question
+Which M-code unclamps the 5th axis?
+\choice	{M12}
+		{M6}
+		{M13}
+		{M8}
+		{c}
+
+\question
+Which M-code orients the spindle?
+\choice	{M19}
+		{M5}
+		{M1}
+		{M9}
+		{a}
+
+\question
+Which M-code ends the program and rewinds?
+\choice	{M30}
+		{M2}
+		{M1}
+		{M0}
+		{a}
+
+\question
+Which plane is required for circular interpolation in milling by default?
+\choice	{G19}
+		{G18}
+		{G17}
+		{G92}
+		{c}
+
+\question
+In milling, what does G17 define?
+\choice	{X–Y plane}
+		{Z–Y plane}
+		{Z–X plane}
+		{Probe plane}
+		{a}
+
+\question
+A command: G18 G02 indicates an arc in which plane?
+\choice	{X–Y}
+		{Z–X}
+		{Z–Y}
+		{Machine plane}
+		{b}
+
+\question
+What does G19 G03 command?
+\choice	{CW arc in ZX plane}
+		{CCW arc in ZY plane}
+		{Rapid motion}
+		{Return to WCS}
+		{b}
+
+\question
+Which G-code defines inch input?
+\choice	{G21}
+		{G20}
+		{G92}
+		{G69}
+		{b}
+
+\question
+Which G-code defines metric input?
+\choice	{G20}
+		{G21}
+		{G54}
+		{G61}
+		{b}
+
+\question
+What is the default plane for drilling cycles?
+\choice	{G17}
+		{G18}
+		{G19}
+		{G68}
+		{a}
+
+\question
+What does G90 indicate?
+\choice	{Incremental mode}
+		{Absolute mode}
+		{Local coordinates}
+		{Machine coordinates}
+		{b}
+
+\question
+What does G91 indicate?
+\choice	{Local coordinates}
+		{Absolute mode}
+		{Incremental mode}
+		{Mirror mode}
+		{c}
+
+\question
+Which G-code sets a temporary local origin?
+\choice	{G52}
+		{G53}
+		{G92}
+		{G72}
+		{a}
+
+\question
+Which G-code selects machine coordinate mode?
+\choice	{G52}
+		{G53}
+		{G92}
+		{G59}
+		{b}
+
+\question
+Which coordinate system is selected by G54?
+\choice	{WCS 2}
+		{WCS 1}
+		{Local coordinates}
+		{Machine coordinates}
+		{b}
+
+\question
+Which coordinate system is selected by G55?
+\choice	{WCS 3}
+		{WCS 2}
+		{Machine coordinates}
+		{WCS 1}
+		{b}
+
+\question
+Which coordinate system is selected by G56?
+\choice	{WCS 3}
+		{WCS 4}
+		{WCS 5}
+		{WCS 6}
+		{a}
+
+\question
+Which coordinate system is selected by G57?
+\choice	{WCS 4}
+		{WCS 5}
+		{WCS 3}
+		{WCS 1}
+		{a}
+
+\question
+Which coordinate system is selected by G58?
+\choice	{WCS 5}
+		{WCS 4}
+		{WCS 6}
+		{WCS 1}
+		{a}
+
+\question
+Which coordinate system is selected by G59?
+\choice	{WCS 6}
+		{WCS 5}
+		{WCS 3}
+		{WCS 1}
+		{a}
+
+\question
+A move: G00 X50 Y25 means:
+\choice	{Rapid positioning}  
+		{Linear interpolation}  
+		{CW arc}  
+		{Tool change}  
+		{a}
+
+\question
+A move: G01 X10 Y10 F120 means:
+\choice	{Rapid travel}
+		{Feed linear cut}
+		{Drill cycle}
+		{Tapping}
+		{b}
+
+\question
+G02 I5 J0 indicates:
+\choice	{CW arc}
+		{CCW arc}
+		{Return home}
+		{Probe skip}
+		{a}
+
+\question
+G03 I-5 J0 indicates:
+\choice	{CW arc}
+		{CCW arc}
+		{Rapid motion}
+		{Machine coordinate}
+		{b}
+
+\question
+Which G-code ensures continuous cutting mode?
+\choice	{G61}
+		{G60}
+		{G64}
+		{G30}
+		{c}
+
+\question
+Which G-code ensures exact stop mode?
+\choice	{G61}
+		{G64}
+		{G57}
+		{G09}
+		{a}
+
+\question
+Which G-code rotates the coordinate system?
+\choice	{G69}
+		{G68}
+		{G62}
+		{G92}
+		{b}
+
+\question
+Which G-code cancels coordinate rotation?
+\choice	{G68}
+		{G69}
+		{G99}
+		{G52}
+		{b}
+
+\question
+G90 G01 X50 means:
+\choice	{Move to +50 incrementally}
+		{Move absolute to X50}
+		{Move machine zero}
+		{Move to WCS2}
+		{b}
+
+\question
+G91 G01 X50 means:
+\choice	{Move 50 units from current position}
+		{Move to absolute X50}
+		{Select incremental plane}
+		{Drill cycle}
+		{a}
+
+\question
+G17 G02 command indicates:
+\choice	{CW arc in XY plane}
+		{CCW arc in ZX plane}
+		{CW arc in ZY plane}
+		{Incremental drilling}
+		{a}
 
 \end{questions}