|
In a circuit breaker ionisation is not facilitated by ___
|
|
0
|
183
|
November 2, 2021
|
|
The over-voltage surges in power systems may be caused by ___
|
|
0
|
263
|
November 2, 2021
|
|
The use of oil immersed reactors is generally restricted upto ___
|
|
0
|
397
|
November 2, 2021
|
|
Which fuse material is more susceptible to oxidation as compared to the remaining?
|
|
0
|
320
|
November 2, 2021
|
|
Least number of faults are generally reported for ___
|
|
0
|
237
|
November 2, 2021
|
|
A circuit breaker will normally operate ___
|
|
0
|
686
|
November 2, 2021
|
|
Air used in air blast circuit breaker ___
|
|
0
|
222
|
November 2, 2021
|
|
A fuse wire possesses
|
|
0
|
294
|
November 2, 2021
|
|
The information to the circuit breaker under fault conditions is ___
|
|
0
|
189
|
November 2, 2021
|
|
A fuse is never inserted in ___
|
|
0
|
374
|
November 2, 2021
|
|
The power loss is an important factor for the ___
|
|
0
|
144
|
November 2, 2021
|
|
Air blast circuit breakers for 400 kV power system are ___
|
|
0
|
172
|
November 2, 2021
|
|
Which of the following devices will receive voltage surge first travelling on the transmission line?
|
|
0
|
163
|
November 2, 2021
|
|
___ relays are used for phase faults on long line
|
|
0
|
133
|
November 2, 2021
|
|
Discrimination between in a in and back up protection is provided by ___
|
|
0
|
144
|
November 2, 2021
|
|
To protect most of the electrical equipment handling low ___
|
|
0
|
145
|
November 2, 2021
|
|
The time of closing the cycle, in modern circuit breakers is ___
|
|
0
|
232
|
November 2, 2021
|
|
When a transmission line is energized, the wave that propagates on ___
|
|
0
|
184
|
November 2, 2021
|
|
Circuit breakers are essentially ___
|
|
0
|
523
|
November 2, 2021
|
|
Thermal circuit breaker has ___
|
|
0
|
212
|
November 2, 2021
|
|
The main function of a fuse is ___
|
|
0
|
266
|
November 2, 2021
|
|
The most serious result of a major uncleared short-circuit fault could be ___
|
|
0
|
428
|
November 2, 2021
|
|
Which of the following protective devices can be used against lightning surges?
|
|
0
|
282
|
November 2, 2021
|
|
Basically a lightning arrester is ___
|
|
0
|
492
|
November 2, 2021
|
|
The pilot relay is provided to ___
|
|
0
|
143
|
November 2, 2021
|
|
In a circuit breaker the time duration from the instant of the fault to ___
|
|
0
|
333
|
November 2, 2021
|
|
The transient voltage that appears across the contacts at ___
|
|
0
|
205
|
November 2, 2021
|
|
A short-circuit is identified by ___
|
|
0
|
137
|
November 2, 2021
|
|
Protection by fuses is generally not ___
|
|
0
|
313
|
November 2, 2021
|
|
The inductive interference between power and communication line can be ___
|
|
0
|
296
|
November 2, 2021
|