1
GATE ME 1996
MCQ (Single Correct Answer)
+1
-0.3
The rake angle in drill
A
Increases from center to periphery
B
Decreases from center to periphery
C
Remains constant
D
Is irrelevant to the drilling operation.
2
GATE ME 1996
MCQ (Single Correct Answer)
+1
-0.3
The rake angle in drill
A
Increases from center to periphery
B
Decreases from center to periphery
C
Remains constant
D
Is irrelevant to the drilling operation.
3
GATE ME 1996
MCQ (Single Correct Answer)
+5
-1.5
Tool life of a $$10$$ hours is obtained when cutting with a single point tool at $$63m/min.$$ If Taylor's constant $$C=257.35,$$ tool life on doubling the velocity will be
A
$$5$$ hours
B
$$25.7$$ $$min$$
C
$$38.3$$ $$min$$
D
unchanged
4
GATE ME 1996
MCQ (Single Correct Answer)
+1
-0.3
The fit on a hole-shaft system is specified as $$H7$$-$$s6.$$ The type of fit is
A
clearance fit
B
running fit (sliding fit)
C
push fit (transition fit)
D
force fit (interference fit)