A. an indicating instrument
B. a recording instrument
C. an integrating instrument
D. none of the above
The household energy meter is_______________? Read More »
Measurement and Instrumentation A. secondary instrument
B. absolute instrument
C. recording instrument
D. integrating instrument
An ammeter is a______________? Read More »
Measurement and Instrumentation A. should be mounted in vertical position
B. should be mounted in horizontal position
C. either A. or B.
D. neither A. nor B.
The switch board instruments________________? Read More »
Measurement and Instrumentation A. very light
B. very heavy
C. either A. or B.
D. neither A. nor B.
The pointer of an indicating instrument should be______________? Read More »
Measurement and Instrumentation A. Mercury motor meters
B. Commutator motor meters
C. Induction meters
D. None of the above
Which of the following meters are not used on D.C. circuits______________? Read More »
Measurement and Instrumentation A. spring
B. gravity
C. eddy currents
D. all of the above
In a portable instrument, the controlling torque is provided by_____________? Read More »
Measurement and Instrumentation A. fluid friction
B. spring
C. eddy currents
D. all of the above
In majority of instruments damping is provided by______________? Read More »
Measurement and Instrumentation A. conducting and magnetic material
B. non-conducting and magnetic material
C. conducting and non-magnetic material
D. none of the above
The disc of an instrument using eddy current damping should be of________________? Read More »
Measurement and Instrumentation A. by pass the current
B. increase the sensitivity of the ammeter
C. increase the resistance of ammeter
D. none of the above
The function of shunt in an ammeter is to______________? Read More »
Measurement and Instrumentation A. measurement of resistance
B. measurement of current
C. calibration of ammeter
D. calibration of voltmeter
E. all of the above
A potentiometer may be used for_________________? Read More »
Measurement and Instrumentation