1
GATE PI 2014
MCQ (Single Correct Answer)
+2
-0.6
A $$80$$ $$mm$$ thick steel plate with $$400$$ $$mm$$ width is rolled to $$40mm$$ thickness in $$4$$ passes with equal reduction in each pass, by using rolls of $$800mm$$ diameter. Assuming the plane-strain deformation, what is the minimum coefficient of friction required for unaided rolling to be possible?
A
$$0.111$$
B
$$0.158$$
C
$$0.223$$
D
$$0.316$$
2
GATE PI 2014
MCQ (Single Correct Answer)
+1
-0.3
A moving mandrel is used in
A
wire drawing
B
forging
C
tube drawing
D
bending
3
GATE PI 2014
MCQ (Single Correct Answer)
+2
-0.6
The alignment test ''Spindle square with base plate'' is applied to the radial drilling machine. A dial indicator is fixed to the cylindrical spindle and the spindle is rotated to make the indicator touch the base plate at different points. The test inspects whether the GATE PI 2014 Metrology - Metrology and Inspection Question 4 English
A
Spindle vertical feed axis is perpendicular to the base plate
B
Axis of symmetry of the cylindrical spindle is perpendicular to the base plate.
C
Axis of symmetry, the rotational axis and the vertical feed axis of the spindle are all coincident
D
Spindle rotational axis is perpendicular to the base plate.
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