Power System - II (3150911) MCQs

MCQs of Transients in Power Systems

Showing 101 to 106 out of 106 Questions
101.
The insulation level of 400 KV overhead transmission line is decided on the basis of
(a) Lightning over voltage
(b) Switching over voltage
(c) Corona inception voltage
(d) Radio and TV interference
Answer:

Option (b)

102.
Insulation  coordination for UHV lines is done based on
(a) Lightning  surges
(b) Lightning  surges and switching surges
(c) Switching surges
(d) None of above
Answer:

Option (c)

103.
In comparison to line insulation, the insulation level of station equipment is
(a) Less
(b) More
(c) Equal
(d) Not related directly to each other
Answer:

Option (d)

104.
What will be double the incident value when wave reaches at open circuit terminal?
(a) Voltage
(b) Current
(c) Both voltage and current
(d) None of above
Answer:

Option (a)

105.
What will be double the incident value when wave reaches at short circuit terminal?
(a) Voltage
(b) Current
(c) Both voltage and current
(d) None of above
Answer:

Option (a)

106.
A backward wave means
(a) Negative voltage wave
(b) Negative current wave
(c) A wave traveling in the negative direction
(d) A wave traveling in the positive direction
Answer:

Option (c)

Showing 101 to 106 out of 106 Questions