1
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
$$220min$$
2
GATE PI 1993
Subjective
+2
-0
Match the following GATE PI 1993 Machine Tools and Machining - Advance Machine Tools Question 28 English
3
GATE PI 1993
Subjective
+2
-0
Match the following GATE PI 1993 Machine Tools and Machining - Advance Machine Tools Question 23 English
4
GATE PI 1993
Subjective
+5
-0
Calculate the minimum number of hot rolling passes necessary to reduce an ingot of $$200mm$$ thickness to $$100mm$$ thickness in two high reversible rolling mill with roll diameter is $$500$$ $$mm.$$ The coefficient of friction between the rolls and the hot material is assumed as $$0.20.$$
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