1
GATE ME 2009
MCQ (Single Correct Answer)
+1
-0.3
The minimum shear strain in orthogonal turning with a cutting tool of zero rake angle is
A
$$0.00$$
B
$$0.5$$
C
$$1.0$$
D
$$2.0$$
2
GATE ME 2009
MCQ (Single Correct Answer)
+1
-0.3
Friction at the tool - chip interface can be reduced by
A
Decreasing the rake angle
B
Increasing the depth of cut
C
Decreasing the cutting speed
D
Increasing the cutting speed
3
GATE ME 2009
MCQ (Single Correct Answer)
+2
-0.6
In a machining experiment, tool life was found to vary with the cutting speed in the following manner GATE ME 2009 Production Engineering - Metal Cutting Question 47 English

The exponent $$(n)$$ and constant $$(K)$$ of the Taylor's tool life equation are

A
$$n=0.5,$$ and $$K=540$$
B
$$n=1.0,$$ and $$K=4860$$
C
$$n=-1.0,$$ and $$K=0.74$$
D
$$n=-0.5,$$ and $$K=1.155$$
4
GATE ME 2009
MCQ (Single Correct Answer)
+2
-0.6
In a machining experiment, tool life was found to vary with the cutting speed in the following manner GATE ME 2009 Production Engineering - Metal Cutting Question 46 English

What is percentage increase in tool life when the cutting speed is halved.

A
$$50\% $$
B
$$200\% $$
C
$$300\% $$
D
$$400\% $$
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