Electrical Engineering Questions And Answers :: Measurement And Instrumentation: part3



Electrical Engineering : Measurement And Instrumentation QUESTIONS AND ANSWERS :: part3 : 16 to 20

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

16.In a Weston synchronoscope, the fixed coils are connected across

bus-bars
incoming alternator
a lamp
none of the above

17.Wagner earthing device is used to eliminate errors due to

electrostatic coupling
electromagnetic coupling
both (a) and (b)
none of the above

18.Basically a potentiometer is a device for

comparing two voltages
measuring a current
comparing two currents
measuring a voltage

19.In a Weston frequency meter, the magnetic axes of the two fixed coils are

parallel
perpendicular
inclined at 60�
inclined at 120�

20.In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at

0�
60�
90�
120�

More Measurement And Instrumentation QUESTIONS AND ANSWERS available in next pages

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