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Measurement and Instrumentation

Measurement and Instrumentation
If the instrument is to have a wide range, the instrument should have

Square-law scale
Linear scale
Exponential scale
Logarithmic scale

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Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Modified De santy's bridge
Any of the listed here
Wein bridge
Schering bridge

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Measurement and Instrumentation
Resolution of an instrument is

 the maximum quantity it can measure.
 the minimum quantity it can measure.
 ability to distinguish polarity.
 the maximum non linearity.

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Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

2 kWh
4 kWh
3 kWh
1 kWh

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Measurement and Instrumentation
PMMC type instruments normally use

Eddy current damping
None of these
Air friction damping
Fluid friction damping

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Measurement and Instrumentation
A first order instrument is characterized by

 Static sensitivity and time constant
 Static sensitivity and damping coefficient
 Static sensitivity, damping coefficient and natural frequency of oscillations
 Time constant only

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MORE MCQ ON Measurement and Instrumentation

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