1
GATE PI 2002
MCQ (Single Correct Answer)
+2
-0.6
A $$31.8MM$$ $$HSS$$ drill is used to drill a hole in cast iron block $$100$$ $$mm$$ thick at cutting speed of $$n20m/min$$ and feed $$0.3min/rev.$$ If the over travel of drill is $$4mm$$ and approach $$9mm,$$ the time required to drill hole is
A
$$1min$$ $$40s$$
B
$$1min$$ $$44s$$
C
$$1min$$ $$49s$$
D
$$1min$$ $$53s$$
2
GATE PI 2002
MCQ (Single Correct Answer)
+2
-0.6
Match GROUP - I with GROUP - II GATE PI 2002 Machine Tools and Machining - Machining Question 27 English
A
$$P - 2,\,\,Q - 1,\,\,R - 4,\,\,S - 3$$
B
$$P - 3,\,\,Q - 1,\,\,R - 4,\,\,S - 2$$
C
$$P - 3,\,\,Q - 4,\,\,R - 1,\,\,S - 2$$
D
$$P - 4,\,\,Q - 3,\,\,R - 1,\,\,S - 2$$
3
GATE PI 2002
MCQ (Single Correct Answer)
+2
-0.6
A side and face cutter $$125mm$$ diameter has $$10$$ teeth. It operates at a cutting speed of $$14m/min$$ with a table traverse $$100mm/min.$$ The feed per tooth of the cutter is
A
$$10mm$$
B
$$2.86mm$$
C
$$0.286mm$$
D
$$0.8mm$$
4
GATE PI 1993
MCQ (Single Correct Answer)
+2
-0.6
A work-piece of $$2000$$ $$mm$$ length and $$300$$ $$mm$$ width was machined by a planning operation with the feed set at $$0.3$$ $$mm/stroke.$$ If the machine tool executes $$10$$ double strokes/min, the planning time for a single pass will be
A
$$50$$ $$min$$
B
$$100$$ $$min$$
C
$$200$$ $$min$$
D
$$220min$$
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