|
In a circuit breaker ionisation is not facilitated by ___
|
|
0
|
165
|
November 2, 2021
|
|
The over-voltage surges in power systems may be caused by ___
|
|
0
|
241
|
November 2, 2021
|
|
The use of oil immersed reactors is generally restricted upto ___
|
|
0
|
360
|
November 2, 2021
|
|
Which fuse material is more susceptible to oxidation as compared to the remaining?
|
|
0
|
284
|
November 2, 2021
|
|
Least number of faults are generally reported for ___
|
|
0
|
208
|
November 2, 2021
|
|
A circuit breaker will normally operate ___
|
|
0
|
642
|
November 2, 2021
|
|
Air used in air blast circuit breaker ___
|
|
0
|
202
|
November 2, 2021
|
|
A fuse wire possesses
|
|
0
|
267
|
November 2, 2021
|
|
The information to the circuit breaker under fault conditions is ___
|
|
0
|
163
|
November 2, 2021
|
|
A fuse is never inserted in ___
|
|
0
|
354
|
November 2, 2021
|
|
The power loss is an important factor for the ___
|
|
0
|
124
|
November 2, 2021
|
|
Air blast circuit breakers for 400 kV power system are ___
|
|
0
|
151
|
November 2, 2021
|
|
Which of the following devices will receive voltage surge first travelling on the transmission line?
|
|
0
|
144
|
November 2, 2021
|
|
___ relays are used for phase faults on long line
|
|
0
|
118
|
November 2, 2021
|
|
Discrimination between in a in and back up protection is provided by ___
|
|
0
|
129
|
November 2, 2021
|
|
To protect most of the electrical equipment handling low ___
|
|
0
|
124
|
November 2, 2021
|
|
The time of closing the cycle, in modern circuit breakers is ___
|
|
0
|
203
|
November 2, 2021
|
|
When a transmission line is energized, the wave that propagates on ___
|
|
0
|
167
|
November 2, 2021
|
|
Circuit breakers are essentially ___
|
|
0
|
483
|
November 2, 2021
|
|
Thermal circuit breaker has ___
|
|
0
|
175
|
November 2, 2021
|
|
The main function of a fuse is ___
|
|
0
|
240
|
November 2, 2021
|
|
The most serious result of a major uncleared short-circuit fault could be ___
|
|
0
|
395
|
November 2, 2021
|
|
Which of the following protective devices can be used against lightning surges?
|
|
0
|
259
|
November 2, 2021
|
|
Basically a lightning arrester is ___
|
|
0
|
464
|
November 2, 2021
|
|
The pilot relay is provided to ___
|
|
0
|
126
|
November 2, 2021
|
|
In a circuit breaker the time duration from the instant of the fault to ___
|
|
0
|
309
|
November 2, 2021
|
|
The transient voltage that appears across the contacts at ___
|
|
0
|
179
|
November 2, 2021
|
|
A short-circuit is identified by ___
|
|
0
|
122
|
November 2, 2021
|
|
Protection by fuses is generally not ___
|
|
0
|
279
|
November 2, 2021
|
|
The inductive interference between power and communication line can be ___
|
|
0
|
270
|
November 2, 2021
|