801. 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

802. Resistances can be measured with the help of_______________?
A. wattmeters
B. voltmeters
C. ammeters
D. ohmmeters and resistance bridges
E. all of the above

803. __________ instruments are those which measure the total quantity of electricity delivered in a particular time ?
A. Absolute
B. Indicating
C. Recording
D. Integrating

804. Which of the following properties a damping oil must possess ?
A. Must be a good insulator
B. Should be non-evaporating
C. Should not have corrosive action upon the metal of the vane
D. The viscosity of the oil should not change with the temperature
E. All of the above

805. Which of the following essential features is possessed by an indicating instrument ?
A. Deflecting device
B. Controlling device
C. Damping device
D. All of the above

806. 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

807. 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

808. Which of the following essential features is possessed by an indicating instrument?
A. Deflecting device
B. Controlling device
C. Damping device
D. All of the above

809. A moving-coil permanent-magnet instrument can be used as ____________by using a low resistance shunt?
A. ammeter
B. voltmeter
C. flux-meter
D. ballistic galvanometer

810. The spring material used in a spring control device should have the following property?
A. Should be non-magnetic
B. Most be of low temperature co-efficient
C. Should have low specific resistance
D. Should not be subjected to fatigue
E. All of the above

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