1
GATE PI 2013
MCQ (Single Correct Answer)
+1
-0.3
A steel bar $$200$$ $$mm$$ in diameter is turned at a feed of $$0.25$$ $$mm/rev$$ with a depth of cut of $$4$$ $$mm.$$ The rotational speed of the work piece is $$160$$ $$rpm.$$ The material removal rate in $$m{m^3}/s$$ is
A
$$160$$
B
$$167.6$$
C
$$1600$$
D
$$1675.5$$
2
GATE PI 2011
MCQ (Single Correct Answer)
+1
-0.3
The binding material used in cemented carbide cutting tools is
A
graphite
B
tungsten
C
nickel
D
cobalt
3
GATE PI 2011
MCQ (Single Correct Answer)
+1
-0.3
Grinding ratio is defined as
A
$${{Volume\,\,of\,\,wheel\,\,wear} \over {Volume\,\,of\,\,work\,\,material\,\,removed}}$$
B
$${{Volume\,\,of\,\,work\,\,material\,\,removed} \over {Volume\,\,of\,\,wheel\,\,wear}}$$
C
$${{Cutting\,\,speed} \over {feed}}$$
D
$${{longitudinal\,\,feed} \over {transverse\,\,feed}}$$
4
GATE PI 2010
MCQ (Single Correct Answer)
+1
-0.3
Which of the following powder production methods produces spongy and porous particles?
A
Atomization
B
Reduction of metal oxides
C
Electrolytic deposition
D
Pulverization
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