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ISRO Technician-B
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ISRO Technician-B Electrician 2016
53

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

53) In a moving coil instrument, the damping torques is developed by

Air-friction

Eddy-current

Gravity-friction

Fluid-friction

Answer is:

Eddy-current

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

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Related ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

54) Which instrument is used for measuring the medium resistance directly?

Ammeter

Megger

Ohm meter

Voltmeter

Answer is:

Ohm meter

55) The force required for moving the pointer in an indicating instrument is

Deflecting force

Controlling force

Eddy current damping force

Air friction damping force

Answer is:

Deflecting force

56) Determine the full-pitch of a 3-phase, 36 slots, 36 coils, 6 poles motor

9

6

12

18

Answer is:

6

57) Total number of coils per phase per pole is

Total number of coils/Number of phases

Total number of coils/(Number of phases x Number of poles)

Total number of phases / Number of coils

(Number of phases x Number of poles)/(Total Number of coils)

Answer is:

Total number of coils/(Number of phases x Number of poles)

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

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