A. switch board
B. portable
C. both A. and B.
D. moving coil
E. moving iron
F. both D. and E.
Related Mcqs:
- The use of _________ instruments is merely confined within laboratories as standardizing instruments?
A. absolute
B. indicating
C. recording
D. integrating
E. none of the above - Which of the following devices may be used for extending the range of instruments ?
A. Shunts
B. Multipliers
C. Current transformers
D. Potential transformers
E. All of the above - Which of the following are integrating instruments ?
A. Ammeters
B. Voltmeters
C. Wattmeters
D. Ampere-hour and watt-hour meters - __________ instruments are those which measure the total quantity of electricity delivered in a particular time ?
A. Absolute
B. Indicating
C. Recording
D. Integrating - Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?
A. Absolute instruments
B. Indicating instruments
C. Recording instruments
D. Integrating instruments - In majority of instruments damping is provided by______________?
A. fluid friction
B. spring
C. eddy currents
D. all of the above - The power factor of a single phase load can be calculated if the instruments available are_____________?
A. one voltmeter and one ammeter
B. one voltmeter, one ammeter and one wattmeter
C. one voltmeter, one ammeter and one energy meter
D. any of the above - Operating torques in analogue instruments are_______________?
A. deflecting and control
B. deflecting and damping
C. deflecting, control and damping
D. vibration and balancing - Commonly used instruments in power system measurement are_______________?
A. induction
B. moving coil or iron
C. rectifier
D. electrostatic - Which of the following is an essential part of a motor meter ?
A. An operating torque system
B. A braking device
C. Revolution registering device
D. All of the above
