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Consider a screw gauge without any zero ...

Consider a screw gauge without any zero error. What will be the final reading corresponding to the final state as shown? It is given that the circular head translates P msd in N rotations One msd is equal to 1 mm.

A

`(P/N)(2+45/100)`mm

B

`(N/P)(2+45/N)`mm

C

`P(2/N+45/100)`mm

D

`[2+45/100xxP/N]` mm

Text Solution

Verified by Experts

The correct Answer is:
D
Nrotations rightarrow P msd
` 1 rotation (100 divisions) rightarrow P/N msd`
`45 division rightarrow 1/100xxP/Nxx45 msd` (mm)
The reading shows two msd and 45 on the circular theremore reading `= 2mm + 1/100xxP/Nxx45` (mm)
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