1
GATE PI 1989
MCQ (Single Correct Answer)
+1
-0.3
Abrasives are not used in
A
Buffing process
B
Burnishing process
C
Polishing process
D
Super finishing process
2
GATE PI 1989
MCQ (Single Correct Answer)
+1
-0.3
In turning operation the surface finish can be improved by decreasing
A
Cutting speed
B
Feed per revolution
C
Rake angle
D
Nose radius
3
GATE PI 1989
MCQ (Single Correct Answer)
+2
-0.6
If the number of double strokes per minute in a shaper is calculated by ($$0.643\, \times \,$$ Cutting speed in $$mm/min$$) / length of the stroke in $$m,$$ then the return speed is faster than the cutting speed by
A
$$40\% $$
B
$$60\% $$
C
$$80\% $$
D
$$100\% $$
4
GATE PI 1989
Subjective
+2
-0
Match the following GATE PI 1989 Machine Tools and Machining - Machining Question 38 English
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