1
GATE PI 2014
MCQ (Single Correct Answer)
+1
-0.3
Reaming is a process used for
A
creating a circular hole in metals
B
cutting a slot on the existing hole surface
C
finishing an existing hole surface
D
making non-circular holes in metals
2
GATE PI 2014
MCQ (Single Correct Answer)
+1
-0.3
Match the following: GATE PI 2014 Machine Tools and Machining - Machining Question 43 English
A
$$P - 1,\,\,Q - 2,\,\,R - 4,\,\,S - 3$$
B
$$P - 2,\,\,Q - 1,\,\,R - 4,\,\,S - 3$$
C
$$P - 4,\,\,Q - 1,\,\,R - 2,\,\,S - 3$$
D
$$P - 2,\,\,Q - 3,\,\,R - 1,\,\,S - 4$$
3
GATE PI 2014
MCQ (Single Correct Answer)
+1
-0.3
A spindle speed of $$300$$ $$rpm$$ and a feed $$0.3mm/revolution$$ are chosen for longitudinal turning operation on an engine lathe. In finishing pass, roughness on the work surface can be reduced by
A
reducing the spindle speed
B
increasing the spindle speed
C
reducing the feed of tool
D
increasing the feed of tool
4
GATE PI 2014
MCQ (Single Correct Answer)
+1
-0.3
In an open die forging, a circular disc is gradually compressed between two flat plates. The exponential decay of normal stress on the flat face of the disc, from the center of the disc towards its periphery, indicates that
A
there is no sticking friction anywhere on the flat face of the disc.
B
sticking friction and sliding friction and sliding friction co-exist on the flat face of the disc
C
the flat face of the disc is friction-less
D
there is only sticking friction on the flat face of the disc.
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