1
GATE ME 2003
MCQ (Single Correct Answer)
+5
-1.5
A cylinder is turned on a lathe with orthogonal machining principle. Spindle rotates at $$200rpm$$. The axial feed rate is $$0.25$$ $$mm$$ per revolution. Depth of cut is $$0.4mm.$$ The rake angle is $${10^ \circ }.$$ In the analysis it is found that the shear angle is $${27.75^ \circ },$$

The thickness of the produced chip is

A
$$0.511$$ $$mm$$
B
$$0.528$$ $$mm$$
C
$$0.818$$ $$mm$$
D
$$0.846$$ $$mm$$
2
GATE ME 2003
MCQ (Single Correct Answer)
+5
-1.5
A cylinder is turned on a lathe with orthogonal machining principle. Spindle rotates at $$200rpm$$. The axial feed rate is $$0.25$$ $$mm$$ per revolution. Depth of cut is $$0.4mm.$$ The rake angle is $${10^ \circ }.$$ In the analysis it is found that the shear angle is $${27.75^ \circ },$$

In the above problem, the coefficient of friction at the chip tool interface obtained using Earnest and Merchant theory is

A
$$0.18$$
B
$$0.36$$
C
$$0.71$$
D
$$0.98$$
3
GATE ME 2003
MCQ (Single Correct Answer)
+1
-0.3
A good cutting fluid should have
A
low thermal conductivity
B
high specific heat
C
high viscosity
D
high density
4
GATE ME 2003
MCQ (More than One Correct Answer)
+1
-0.3
Quality screw threads are produced by
A
thread milling
B
thread chasing
C
thread cutting with single point tool
D
thread casting
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