1
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
A lead screw with half nuts in a lathe, free to rotate in both directions has
A
$$V$$-threads
B
With-worth threads
C
Buttress threads
D
Acme threads
2
GATE ME 2001
MCQ (Single Correct Answer)
+1
-0.3
Allowance in limits and fits refers to
A
maximum clearance between shaft and hole
B
minimum clearance between shaft and hole
C
difference between maximum and minimum size of hole
D
difference between maximum and minimum size of shaft
3
GATE ME 2000
MCQ (Single Correct Answer)
+1
-0.3
Deep hole drilling of small diameter, say $$0.2$$ $$mm$$ is done with $$EDM$$ by selecting the tool material as
A
copper wire
B
tungsten wire
C
brass wire
D
tungsten carbide
4
GATE ME 2000
MCQ (Single Correct Answer)
+1
-0.3
Abrasive material used in grinding wheel selected for grinding ferrous alloys is
A
$$SiC$$
B
diamond
C
$$A{l_2}{O_3}$$
D
boron carbide
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