1
GATE PI 2008
MCQ (Single Correct Answer)
+2
-0.6
The quick return mechanism used in shaper has rocker arm drive of length $$200mm.$$ If the crank radius is $$50mm$$ and the offset between crank center and rocker arm pivot is $$20mm,$$ length of the stroke (in meters) is
2
GATE PI 2008
MCQ (Single Correct Answer)
+2
-0.6
Suppose point $$P1$$ in $$APT$$ (Automatically programmed Tool) programming is coded by statement
$$P1 = POINT/XSMALL,\,\,\,INTOF,\,\,\,LN1,\,\,CR1$$
$$P1 = POINT/XSMALL,\,\,\,INTOF,\,\,\,LN1,\,\,CR1$$
The coded geometric situation without causing error is
3
GATE PI 2008
MCQ (Single Correct Answer)
+2
-0.6
A stepper motor has $$150$$ steps. The output shaft of the motor is directly coupled to a lead screw of pitch $$4mm,$$ which drives a table. If the frequency of pulse supply to the motor is $$200Hz$$, the speed of the table (in $$mm/min)$$ is
4
GATE PI 2008
MCQ (Single Correct Answer)
+2
-0.6
In a $$CNC$$ feed drive, a stepper motor with step angle of $$1.8deg$$ drives a lead screw with pitch of $$2mm.$$ The basic length unit $$(BLU)$$ for this drive is
Paper analysis
Total Questions
Casting
2
Engineering Mathematics
11
Fluid Mechanics
2
Joining of Materials
4
Machine Tools and Machining
9
Metal Forming
6
Metrology
2
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