A. induction
B. moving coil or iron
C. rectifier
D. electrostatic
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Related Mcqs:
- Operating torques in analogue instruments are_______________?
- A. deflecting and control B. deflecting and damping C. deflecting, control and damping D. vibration and balancing...
- 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...
- In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was___________?
- A. unity B. 0.8 lagging C. 0.8 leading D. zero...
- In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be_______________?
- A. unity B. 0.5 C. 0.3 D. zero...
- 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...
- Instrument transformers are_______________?
- A. potential transformers B. current transformers C. both A. and B. D. power transformers...
- 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...
- According to application, instruments are classified as_____________?
- A. switch board B. portable C. both A. and B. D. moving coil E. moving iron F. both D. and E....
- 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...
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