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

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

51) When two wattmeters are used to measure power of a 3 phase balanced circuit and one wattmeter reads negative, it means the angle of lag is

Answer is:

above 60 degree

52) The purpose of a backup fuse is to provide protection against

Answer is:

Short-circuit

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

Answer is:

Eddy-current

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

Answer is:

Ohm meter

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

Answer is:

Deflecting force

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