MCQ, set-7, Testing & Commissioning of Electrical Equipments

Electrical engineering

MCQ related to Testing and Commissioning of Electrical Equipment (TCEE)

Set : 7

61. Method use to check phase difference of synchronous generator ?

A) Using synchroscop
B) All dark lamp method
C) Two bright one dark lamp method
D) All

... Answer is D)
All

62. Mathod use to determine voltage regulation in Synchronous machine ?

A) direct loading method
B) synchronous impedance method
C) ampere turn method
D) All

... Answer is D)
All

63. In synchronous impedance which method is use ?

A) zero power factor
B) open circuit test
C) Short circuit test
D) both B & C

... Answer is D)
both B & C

64. Which voltage level is not use in India ?

A) 33kV
B) 110kV
C) 155kV
D) 66kV

... Answer is C)
155kV

65. Load demand can fulfill by.....

A) increasing generation
B) decreasing loss
C) decreasing demand
D) both A & B

... Answer is C)
155kV

66. In transmission......losses are considered

A) 30%
B) 17%
C) 20%
D) 15%

... Answer is A)
30%

67. Which is not advantage of HVDC ?

A) economical transmission
B) skin effect
C) earth return
D) additional equipments

... Answer is D)
additional equipments

68. Not a Type of HVDC ?

A) mono polar
B) bi-polar
C) extra polar
D) back to back

... Answer is C)
extra polar

69. Steel poles are used upto the line voltage of ...... ?

A) 11kV
B) 33kV
C) 66kV
D) 132kV

... Answer is B)
33kV

70. Approximately shield angle is ?

A) 10 to 20 degree
B) 15 to 25 degree
C) 20 to 30 degree
D) 30 to 60 degree

... Answer is C)
20 to 30 degree

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