1
GATE PI 1992
+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
$$480$$
2
GATE PI 1992
Fill in the Blanks
+1
-0
Control of group of $$NC$$ machines by a supervisory computer is known as ............... control.
3
GATE PI 1992
+2
-0.6
The component development and manufacturing activities when assisted by a computer are: Computer Aided Graphics $$(CAG), CAD, CAM, CAPP$$ and Computer Aided Quality Control $$(CAQC).$$ The most appropriate sequence of these activities is
A
$$CAD - CAG - CAPP - CAM - CAQC$$
B
$$CAG - CAD - CAM - CAPP - CAQC$$
C
$$CAD - CAG - CAPP - CAQC - CAM$$
D
$$CAD - CAPP - CAG - CAM - CAQC$$
4
GATE PI 1992
+2
-0.6
A $$DC$$ servomotor is directly driving an $$NC$$ table. The pitch of the lead screw of the table is $$5$$ $$mm.$$ The motor rotates at $$100$$ $$rpm$$ for an applied voltage of $$10V.$$ If the voltage speed characteristic of the motor is linear, the applied voltage for a table of $$3m/min$$ is equal to:
A
$$30$$ $$V$$
B
$$60$$ $$V$$
C
$$33$$V$$D$$50V
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