Electrical Engineering Questions And Answers :: Measurement And Instrumentation: part2



Electrical Engineering : Measurement And Instrumentation QUESTIONS AND ANSWERS :: part2 : 11 to 15

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.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

unity
0.5
0.3
zero

12.In a low power factor wattmeter the compensating coil is connected

in series with current coil
in parallel with current coil
in series with pressure coil
in parallel with pressure coil

13.For measuring current at high frequency we should use

moving iron instrument
electrostatic instrument
thermocouple instrument
none of the above

14.Which of the following devices should be used for accurate measurement of low D.C. voltage ?

Small range moving coil voltmeter
D.C. potentiometer
Small range thermocouple voltmeter
None of the above

15.The adjustment of position of shading bands, in an energy meter is done to provide

friction compensation
creep compensation
braking torque
none of the above

More Measurement And Instrumentation QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha
Trust because you are willing to accept the risk, not because it’s safe or certain