Measurement and Instrumentation Objective Type Questions - Set 06 - ObjectiveBooks
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Measurement and Instrumentation Objective Type Questions - Set 06

Measurement and Instrumentation Objective Type Questions - Set 06

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Practice Test: Question Set - 06

1. 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
2. _________ is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another,
    (A) Tangent galvanometer
    (B) Meggar
    (C) Current transformer
    (D) None of the above
3. An induction wattmeter can be used for
    (A) Both D.C. and A.C.
    (B) D.C. only
    (C) A.C. only
    (D) Any of the above
4. Murray loop test can be used for location of
    (A) Ground fault on a cable
    (B) Short circuit fault on a cable
    (C) Both the ground fault and the short-circuit fault
    (D) None of the above
5. In an A.C. coordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be
    (A) Out of phase by 90°
    (B) Out of phase by 60°
    (C) Out of phase by 30°
    (D) Out of phase by 0°
6. For measuring a very high resistance we should use
    (A) Kelvin's double bridge
    (B) Wheat stone bridge
    (C) Meggar
    (D) None of the above
7. The function of shunt in an ammeter is to
    (A) By pass the current
    (B) Increase the sensitivity of the ammeter
    (C) Increase the resistance of ammeter
    (D) None of the above
8. 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
9. ________ instruments are those which measure the total quantity of electricity delivered in a particular time.
    (A) Absolute
    (B) Indicating
    (C) Recording
    (D) Integrating
10. In a low power factor wattmeter the pressure coil is connected
    (A) To the supply side of the current coil
    (B) To the load side of the current coil
    (C) In any of the two meters at connection
    (D) None of the above
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