1
GATE PI 2009
MCQ (Single Correct Answer)
+2
-0.6
The total angular movement (in degrees) of a lead screw with a pitch of $$5.0mm$$ to drive the work table by a distance of $$200mm$$ in a $$NC$$ machine is
A
$$14400$$
B
$$28800$$
C
$$57600$$
D
$$72000$$
2
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
A
$$400$$
B
$$320$$
C
$$300$$
D
$$280$$
3
GATE PI 2008
MCQ (Single Correct Answer)
+2
-0.6
Suppose point $$P1$$ in $$APT$$ (Automatically programmed Tool) programming is coded by statement
$$P1 = POINT/XSMALL,\,\,\,INTOF,\,\,\,LN1,\,\,CR1$$

The coded geometric situation without causing error is

A
GATE PI 2008 Machine Tools and Machining - Advance Machine Tools Question 12 English Option 1
B
GATE PI 2008 Machine Tools and Machining - Advance Machine Tools Question 12 English Option 2
C
GATE PI 2008 Machine Tools and Machining - Advance Machine Tools Question 12 English Option 3
D
GATE PI 2008 Machine Tools and Machining - Advance Machine Tools Question 12 English Option 4
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
A
$$10$$ microns
B
$$20$$ microns
C
$$40$$ microns
D
$$100$$ microns
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