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To reduce short circuit fault currents......... are used.

resistors
None of these
capacitors
reactors

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The power loss is an important factor for the design of

generator
transmission line
motor
feeder

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Series capacitors are used to

compensate for line inductive reactance
compensate for line capacitive reactance
improve line voltage
None of these

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A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is

None of these
1500 A
750 A
1500/√3 A

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The rated secondary current of current transformer for relays is generally

20 A
10 A
5 A
30 A

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Overheating of relay contacts or contact born out is due to

all of these
foreign matter on the contact surface
too low contact pressure
slow making and breaking of load circuit contacts

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