MCQ-Set-6 Power systems

Electrical engineering

MCQ related to  Power Systems planing and Design (PSPD)

Set : 6

51. loading of line is given by........?

A) Power × Distance
B) Voltage × Distance
C) Reactance × Distance
D) Flash point × Reactance

... Answer is A)
Power × Distance

53. Disruptive voltage for standard conductor is ?

A) 0.89
B) 0.88
C) 0.82
D) 0.80

... Answer is C)
0.82

54. What is life of wood poles ?

A) 20 to 30 years
B) 20 to 25 years
C) 30 to 50 years
D) 10 to 15 years

... Answer is B)
20 to 25 years

55. Broad base tower is used for.....

A) 66kV
B) 132kV
C) 220kV
D) 11kV

... Answer is C)
220kV

56. The part of an overhead line between the two consecutive supports is called ?

A) span
B) span length
C) sag
D) crepag distance

... Answer is A)
span

57. The maximum vertical distance in the span of an overhead line between the tight conductor and sugged conductor is called.......

A) sag tension
B) sag
C) horizontal distance
D) All

... Answer is B)
Sag

58. Which factor is affecting a sag ?

A) Weight of Conductor
B) Span
C) Ice coating
D) All

... Answer is D)
All

59. Stringing chart is related with ?

A) span
B) Tower length
C) Sag
D) None f the above

... Answer is C)
Sag

60. Which wire is used in transmission line for Earth ?

A) Galvanized
B) Copper
C) Aluminium
D) All

... Answer is A)
Galvanized

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