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AIEEE 2011 Solved Paper
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© examsnet.com
Question : 32
Total: 91
A screw gauge gives the following reading when used to measure the diameter of a wire.
Main scale reading:
0
mm
Circular scale reading : 52 divisions
Given that
1
mm
on main scale corresponds to 100 divisions of the circular scale.
The diameter of wire from the above date is:
0.052
cm
0.026
cm
0.005
cm
0.52
cm
Validate
Solution:
Least count of screw gauge
=
P
i
t
c
h
Number of division on circular scale
=
1
100
mm
=
0.01
mm
Diameter of the wire
=
M.S.R
+
C.S.R
×
L.C
=
0
+
52
×
0.01
=
0.52
mm
=
0.052
cm
© examsnet.com
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