1
GATE PI 2006
MCQ (Single Correct Answer)
+1
-0.3
In the manufacture of twist drills, the shank is joined to the body of the drill using
A
Spot welding
B
$$TIG$$ welding
C
Projection welding
D
Friction welding
2
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
In a shaper machine, the mechanism for tool feed is
A
Geneva mechanism
B
Whitworth mechanism
C
Ratchet and Pawl mechanism
D
Ward - Leonard system
3
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
Tool life in the case of a grinding wheel is the time
A
between two successive regrinds of the wheel
B
taken for the wheel to be balanced
C
taken between two successive wheel dressings
D
taken for a wear of $$1$$ $$mm$$ on its diameter
4
GATE PI 2004
MCQ (Single Correct Answer)
+1
-0.3
The cutting portion of a drill is to be welded to its shank. The process best suited for this is
A
ultrasonic welding
B
electron beam welding
C
friction welding
D
laser welding
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