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MCQs 1: The household energy meter is_______________?

an indicating instrument a recording instrument an integrating instrument none of the above
Answer Explanation

MCQs 2: An ammeter is a______________?

secondary instrument absolute instrument recording instrument integrating instrument
Answer Explanation

MCQs 3: The switch board instruments________________?

should be mounted in vertical position should be mounted in horizontal position either A. or B. neither A. nor B.
Answer Explanation

MCQs 4: The pointer of an indicating instrument should be______________?

very light very heavy either A. or B. neither A. nor B.
Answer Explanation

MCQs 5: Which of the following meters are not used on D.C. circuits______________?

Mercury motor meters Commutator motor meters Induction meters None of the above
Answer Explanation

MCQs 6: In a portable instrument, the controlling torque is provided by_____________?

spring gravity eddy currents all of the above
Answer Explanation

MCQs 7: In majority of instruments damping is provided by______________?

fluid friction spring eddy currents all of the above
Answer Explanation

MCQs 8: The disc of an instrument using eddy current damping should be of________________?

conducting and magnetic material non-conducting and magnetic material conducting and non-magnetic material none of the above
Answer Explanation

MCQs 9: The function of shunt in an ammeter is to______________?

by pass the current increase the sensitivity of the ammeter increase the resistance of ammeter none of the above
Answer Explanation

MCQs 10: A potentiometer may be used for_________________?

measurement of resistance measurement of current calibration of ammeter calibration of voltmeter all of the above
Answer Explanation

MCQs 11: The chemical effect of current is used in ______________?

D.C. ammeter hour meter D.C. ammeter D.C. energy meter none of the above
Answer Explanation

MCQs 12: For handling greater currents induction wattmeters are used in conjunction with______________?

potential transformers current transformers power transformers either of the above none of the above
Answer Explanation

MCQs 13: is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another_______________?

Tangent galvanometer Meggar Current transformer None of the above
Answer Explanation

MCQs 14: Induction type single phase energy meters measure electric energy in_______________?

kW Wh kWh VAR None of the above
Answer Explanation

MCQs 15: A moving-coil permanent-magnet instrument can be used as flux-meter_____________?

by using a low resistance shunt by using a high series resistance by eliminating the control springs by making control springs of large moment of inertia
Answer Explanation

MCQs 16: Most common form of A.C. meters met with in every day domestic and industrial installations are______________?

mercury motor meters commutator motor meters induction type single phase energy meters all of the above
Answer Explanation

MCQs 17: An induction meter can handle current up to_____________?

10 A 30 A 60 A 100 A
Answer Explanation

MCQs 18: __________ instruments are those which measure the total quantity of electricity delivered in a particular time ?

Absolute Indicating Recording Integrating
Answer Explanation

MCQs 19: Resistances can be measured with the help of_______________?

wattmeters voltmeters ammeters ohmmeters and resistance bridges all of the above
Answer Explanation

MCQs 20: The use of _________ instruments is merely confined within laboratories as standardizing instruments?

absolute indicating recording integrating none of the above
Answer Explanation

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