Production and Industrial Engineering
GATE PI Machine Tools PYQs
Build your understanding with focused practice from past exam papers.
How to practice Machine Tools
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–8 of 8. Imported answers require independent review unless marked reviewed.
Question 24
Open questionPIMCQ1 markNeeds review
Match the following with reference to the CNC machine and its minimum number of axes available in the machine.
Type of CNC Machine | Minimum number of axes |
|---|---|
P: Turning center (CNC Lathe) | i: 3 |
Q: Machining center (CNC Vertical milling) | ii: 2 |
| iii: 4 |
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 31
Open questionPINAT1 markNeeds review
The pitch of the single-start lead screw of a lathe is 6 mm. It is used to cut double start thread of 3 mm pitch on a cylindrical work piece. During the thread cutting, the spindle rotates at 400 revolutions per minute (RPM). The speed (in RPM) of the lead screw is________. (Answer in integer)
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 18
Open questionPIMCQ1 markNeeds review
To create 12 divisions on a disc by using simple indexing and dividing head on a horizontal milling machine, choose the correct option for the rotation of the crank pin.
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 38
Open questionPIMCQ2 marksNeeds review
Match the machine elements with their functions.
Machine element: P—Collet; Q—Dividing head; R—Lead screw.
Function: 1—Indexing; 2—Thread cutting; 3—Holding the tool in place.
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 30
Open questionPINAT1 markNeeds review
It is required to cut a single-start thread of 2 mm pitch in a lathe machine with a single-start lead screw of 4 mm pitch. For one revolution of the workpiece, the number of revolution of the lead screw is____________. [round off to two decimal places]
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 10
Open questionPIMCQ1 markNeeds review
Which one among the following mechanisms is NOT used for transforming rotation to translation in machine tools?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 47
Open questionPINAT2 marksNeeds review
The top layer of a flat 750 mm × 300 mm rectangular mild steel plate is to be machined with a single depth of cut using a shaping machine. The plate has been fixed by keeping 750 mm side along the tool travel direction. If the approach and the over-travel are 25 mm each, average cutting speed is 10 m/min, feed rate is 0.4 mm/stroke, and the ratio of return time to cutting time of the tool is 1:2, the time (in minutes) required to complete the machining operation is ________. [round off to one decimal place]
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 15
Open questionPIMCQ1 markNeeds review
End mill cutters are mounted on the spindle of a vertical milling machine using
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