1
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
2
GATE PI 1992
MCQ (Single Correct Answer)
+2
-0.6
If the index crank of a dividing head is turned through one complete revoluation and $$10$$ holes in a $$30$$ hole circle plate, the work piece turns through (in degrees)
A
$$6$$
B
$$12$$
C
$$240$$
D
$$480$$
3
GATE PI 1992
Fill in the Blanks
+1
-0
Control of group of $$NC$$ machines by a supervisory computer is known as ............... control.
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