Question 1

Which of the following methods is used for laying of underground cables ?

Accepted Answer

A) Direct laying 
B) Draw-in-system 
C) Solid system 
D) All of the above

Question 2

The phenomenon qf rise in voltage at the receiving end of the open-circuited or lightly loaded line is called the

Accepted Answer

A) Seeback effect 
B) Ferranti effect 
C) Raman effect 
D) none of the above

Question 3

The corona is considerably affected by which of the following ?

Accepted Answer

A) Size of the conductor 
B) Shape of the conductor 
C) Surface condition of the conductor 
D) All of the above

Question 4

are the conductors, which connect the consumer's terminals to the distribution

Accepted Answer

A) Distributors 
B) Service mains 
C) Feeders 
D) None of the above

Question 5

The usual spans with R.C.C. poles are

Accepted Answer

A) 40-50 metres 
B) 60-100 metres 
C) 80-100 metres 
D) 300-500 metres

Exam 1: Electrical Power Transmission and Distribution

Which of the following methods is used for laying of underground cables ?