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GATE Mechanical Engineering (ME) 2018 Shift 1 Solved Paper
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© examsnet.com
Question : 17
Total: 65
A grinding ratio of 200 implies that the
grinding wheel wears 200 times the volume of the material removed.
grinding wheel wears
0.005
times the volume of the material removed.
aspect ratio of abrasive particles used in the grinding wheel is 200
ratio of volume of abrasive particle to that of grinding wheel is 200
Validate
Solution:
Grinding ratio is defined as ratio of Volume of work material removed to the ratio of wheel material removed.
=
Volume of work material removed
(
V
m
)
Volume of wheel
w
e
a
r
(
V
w
)
200
=
Volume of work material removed
(
V
m
)
Volume of wheel
w
e
a
r
(
V
w
)
Grinding wheel wears
1
200
(
=
0.005
)
times the volume of material removed.
© examsnet.com
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