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If circular scale has crossed index line then zero error of screw gauge is

In screw guage, if zero of circular scale has crossed th index line, then zero error will be

Assertion (A): A semiconductor strain gauge is more accurate than a resistance strain gauge.Reason (R): The gauge factor of a semiconductor strain gauge is about 100 where as the gauge factor of a res

In screw guage, if zero of circular scale is behind index line, then zero error will be

In screw guage, if zero of circular scale coincides with index line, then zero error will be

If zero line of Vernier scale is on right of zero line of main scale zero error is

F zero line of vernier scale is on right side of zero of main scale, then zero error will be

If zero line of vernier scale coincides with zero of main scale, then zero error is

F zero line of vernier scale is on left side of zero of main scale, then zero error will be

It is required to cut screw threads of 2 mm pitch on a lathe. The lead screw has a pitch of 6 mm. If the spindle speed is 60 r.p.m., then the speed of lead screw will be