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WorksheetsCircuit Breakers
Total questions: 15
Worksheet time: 11mins
Current Limiting Reactors maybe
Air-cooled, air-cored
Oil-immersed, magnetically shielded
Oil-immersed, non-magnetically shielded
All of these
Switching surges may be caused by
Closing of uncharged line
Lightning line
Load shred line
Voltage oscillation
Overvoltage transient may occur due to (a)
If the power factor is zero, (a) voltage will be maximum
"Kick fuse" has
What is the name for this type of Circuit Breaker?
Which of the following circuit breaker is installed on 400 kV line?
Tank Type Circuit Breaker
Non-Airblast Circuit Breaker
Airblast Circuit Breaker
Mage type Circuit Breaker
Interrupting medium in a contactor may be (a)
sF6 gas has density (a) times as compared to that of air
The insulation resistance of a high voltage circuit breaker is (a)
What is this symbol?
Mho relay is used for
Distribution Line
Transmission Line
Generation Line
End user Line
Merz-price protection is used on
Substation
Capacitor Banks
Induction Motor
Generator
For circuit breaker, "break time" is
Opening time + arc duration + resistor current duration
Same as opening time
Opening time + arc duration
None of the above
The material used for bus bars should have
(a)
