1
GATE PI 1991
MCQ (Single Correct Answer)
+1
-0.3
Feed motion can be provided with stepper motors in $$CNC$$
A
lathe
B
drilling machine
C
milling machine
D
grinding machine
2
GATE PI 1991
MCQ (Single Correct Answer)
+2
-0.6
A drilling machine has to be designed with $$8$$ spindle speeds ranging approximately between $$120$$ to $$1200$$ $$rpm.$$ The $${5^{th}}$$ spindle speed is
A
$$445$$
B
$$480$$
C
$$620$$
D
$$865$$
3
GATE PI 1991
MCQ (Single Correct Answer)
+1
-0.3
Amount of energy consumption per unit volume of metal removal is maximum in
A
Turning
B
Milling
C
Reaming
D
Grinding
4
GATE PI 1991
MCQ (Single Correct Answer)
+1
-0.3
The teeth of both external and internal spur gears can be cut on
A
milling machine
B
gear shaping machine
C
gear hobbing machine
D
gear shaving machine
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