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 2009
MCQ (Single Correct Answer)
+2
-0.6
A titanium sheet of $$5.0mm$$ thickness is cut by wire cut $$EDM$$ process using a wire of $$1.0mm$$ diameter. A uniform spark gap of $$0.5mm$$ on both sides of the wire is maintained during cutting operation. If the feed rate of the wire into the sheet is $$20mm/min,$$ the material removal rate (in $$m{m^3}/\min $$) will be
A
$$150$$
B
$$200$$
C
$$300$$
D
$$400$$
3
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
4
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
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