1
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
Match List - $${\rm I}$$ (Cutting tool materials) with List - $${\rm I}$$$${\rm I}$$ (Manufacturing methods) and select the correct answer using the codes given below the lists: GATE PI 2005 Machine Tools and Machining - Metal Cutting Question 54 English
A
$$A - 3,\,\,B - 1,\,\,C - 5,\,\,D - 2$$
B
$$A - 2,\,\,B - 5,\,\,C - 4,\,\,D - 3$$
C
$$A - 3,\,\,B - 5,\,\,C - 4,\,\,D - 2$$
D
$$A - 2,\,\,B - 1,\,\,C - 5,\,\,D - 3$$
2
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
The rake angle of a cutting tool is $${15^ \circ }$$, shear angle $${45^ \circ }$$ and cutting velocity $$35$$ $$m/min$$. What is the velocity of chip along the tool face?
A
$$28.5$$ $$m/min$$
B
$$27.3$$ $$m/min$$
C
$$25.3$$ $$m/min$$
D
$$23.5$$ $$m/min$$
3
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
A batch of $$500$$ jobs of diameter $$50$$ $$mm$$ and length $$100$$ $$mm$$ is to be turned at $$200$$ $$rev/min$$ and feed $$0.2$$ $$mm/rev.$$

The number of components per tool life

A
$$138$$
B
$$270$$
C
$$62$$
D
$$61$$
4
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
A batch of $$500$$ jobs of diameter $$50$$ $$mm$$ and length $$100$$ $$mm$$ is to be turned at $$200$$ $$rev/min$$ and feed $$0.2$$ $$mm/rev.$$

Applying Taylor's equation $$V{T^{0.25}} = 160,$$ the tool life in minutes is

A
$$20.36$$
B
$$22.43$$
C
$$674$$
D
$$28.20$$
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