Power System MCQ

Solve MCQ of Power System,Here given lots of unique mcq for you.It can be very help full for your electrical engineering exam or competitive exams..

Power System MCQ


1. By which system, electric power may be transmitted?

A. Overhead system

B. Underground system

C. Both (a) and (b)

D. None of the above


2. which conductor connects consumer’s terminals to distribution?

A. Distributors

B. Service mains

C. Feeders

D. None of the above


3. The underground system cannot be operated above

A. 440 V

B. 11 kV

C. 33 kV

D. 66 kV


4. Overhead system is designed to operate on___

A. 11 kV

B. 33 kV

C. 66 kV

D. 400 kV


5. The skin effect of a conductor will reduce as the

  1. resistivity of conductor material increases
  2. permeability of conductor material increases
  3. diameter increases
  4. frequency increases

6. Wooden poles is saturated with creosite oil or any chemical compound have life of___

A. 2 to 5 years

B. 10 to 15 years

C. 25 to 30 years

D. 60 to 70 years


7. Which material is not used for transmission and distribution of electrical power?

A. Copper

B. Aluminum

C. Steel

D. Tungsten


8. Galvanised steel wire is generally used as

A. stay wire

B. earth wire

C. structural components

D. all of the above


9. The usual span with R.C.C. pole is___

A. 40—50 meters

B. 60—100 meters

C. 80—100 meters

D. 300—500 meters


10. Corona is considerably affected by which?

A. Size of conductor

B. The shape of the conductor

C. The surface condition of the conductor

D. All of the above

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