SSC Junior Engineer Electrical Online Exam 2018 CPWD/CWC/MES Electrical Engineering 22-01-2018 Morning8

71. Setting depth of poles is?

A) 1/4 part of the length of pole
B) 1/5 part of the length of pole
C) 1/8 part of the length of pole
D) 1/2 part of the length of pole

... Answer is B)
explanation will provide soon.

72. The protective device which will not open the circuit even after 4 h when the current is 1.5 times the excess of the rated current will be?

A) HRC fuses
B) cartridge fuses
C) circuit breaker
D) rewirable fuses

... Answer is A)
explanation will provide soon.

73. Power factor of fluorescent lamp is about?

A) zero
B) 0.5 lead
C) unity
D) 0.5 lag

... Answer is D)
explanation will provide soon.

74. Which type of fire extinguisher is not suitable for electric fire?

A) foam extinguisher
B) carbon dioxide extinguisher
C) soda acid extinguisher
D) dry powder extinguisher

... Answer is A)
explanation will provide soon.

75. Fuse is inserted series in the circuit and protect the equipment from?

A) High voltage
B) High current
C) High power
D) High energy

... Answer is B)
explanation will provide soon.

76. In which portion of the transmission system faults occur most frequenlty?

A) under ground cables
B) transformers
C) over head lines
D) alternators

... Answer is C)
explanation will provide soon.

77. Which connect the consumer's terminals to the distribution?

A) distributors
B) service mains
C) feeder
D) substation

... Answer is B)
explanation will provide soon.

78. The earth pit should not be located near?

A) roads
B) rail tracks
C) pavements
D) all option are correct

... Answer is D)
explanation will provide soon.

79. What will happen if field winding is disconnected accidently from rotating dc shunt motor?

A) motor suddenly off
B) motor will run normally
C) motor will run dangerously
D) any of the above

... Answer is C)
explanation will provide soon.

80. In dc generator, wave winding is used for which type of machines dc?

A) high voltage low current
B) high current low voltage
C) high voltage high current
D) low voltage low current

... Answer is A)
explanation will provide soon.





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