1
GATE PI 1995
MCQ (Single Correct Answer)
+1
-0.3
A grinding wheel is said to be glazed if
A
grains have become blunt, but do not fall out
B
gap between the grains is filled by swarf
C
it becomes black due to burning
D
part of the wheel is chipped off
2
GATE PI 1995
True or False
+1
-0
Reamers have usually even number of teeth so that the cutting forces on teeth are properly balanced.
A
TRUE
B
FALSE
3
GATE PI 1992
MCQ (Single Correct Answer)
+1
-0.3
A blind hole is better tapped with a tap having
A
right hand flutes
B
left hand flutes
C
straight flutes
D
no flutes
4
GATE PI 1992
MCQ (Single Correct Answer)
+1
-0.3
In a grinding wheel marked with $$AA-48-L-7-V-25, L$$ refers to
A
abrasive type
B
wheel structure
C
wheel hardness
D
manufacturers
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