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ISRO Technician-B
Electrician
ISRO Technician-B Electrician 2019
54

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

54) The common electrolyte used in nickel iron cell is

H2SO4

HCL

KOH

NaOH

Answer is:

KOH

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

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Related ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

55) A sinusoidal flex with peak value 0.1 Wb links with the secondary of a transformer. If number of turns in the secondary is 10, calculate the rms value of the induced emf in the secondary. Supply frequency is 50 Hz.

22.2V

44.4V

66.6V

88.8V

Answer is:

44.4V

56) Calculate the emf generated by a 10 pole wave wound generator having 100 slots and with 10 conductors per slot when driven at 1200 rpm. The flux per pole is 0.01 Wb

100 V

1000 V

1200 V

600 V

Answer is:

1000 V

57) What is the approximate efficiency of a 50Hz, 6 pole, 3-phase induction motor running at 900 rpm

95%

90%

85%

80%

Answer is:

90%

58) Steradian is the unit of

Planner angle

Solid angle

Radiant efficiency

None of the above

Answer is:

Solid angle

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

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