1
GATE PI 1994
MCQ (Single Correct Answer)
+1
-0.3
In metal cutting $$BUE$$ formation results in
A
improvement in surface finish
B
reduction in cutting force
C
deterioration of surface finish
D
improvement in tool life
2
GATE PI 1994
MCQ (Single Correct Answer)
+1
-0.3
Only negative rake angles are used with the following tool material
A
$$HSS$$
B
Carbon tool steels
C
Carbides
D
Diamonds
3
GATE PI 1994
MCQ (Single Correct Answer)
+1
-0.3
Machinability of steels is improved by the addition of
A
Sulphur
B
Silicon
C
Phosporous
D
all of the above
4
GATE PI 1994
MCQ (Single Correct Answer)
+2
-0.6
The heat generated in metal cutting is dissipated in different proportions into environment, tool, chip and work-piece. The correct order of this proportion in decreasing magnitude is (no cutting fluid is use ($$d$$)
A
tool, work, chip, environment
B
work, tool, chip, environment
C
tool, chip, environment, work
D
chip, tool, work, environment
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