Power System Planning and Design (2180903) MCQs

MCQs of Insulation co-ordination

Showing 41 to 43 out of 43 Questions
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41.
When electric arc occurs, the amount of energy measured on a surface, a certain distance from the source is called
(a) Incident energy
(b) Radiant energy
(c) Conduction energy
(d) Convection energy
Answer:

Option (a)

42.
Insulation resistance of HV circuit breaker is more than
(a) 100 Ω
(b) 500 kΩ
(c) 1 MΩ
(d) 100 MΩ
Answer:

Option (d)

43.
Switching surges may be caused by
(a) Closing of unchanged line
(b) Load shedding at receiving end of line
(c) Switching of magnetizing current
(d) All of above
Answer:

Option (d)

Showing 41 to 43 out of 43 Questions
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