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SSC JE EE Score Booster Live Quiz (Power Systems)
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Question 1
The earth fault current is generally ……….. than the short-circuit current.
Question 2
The trip coil of a circuit breaker is connected through a C .T. of ratio 50 : 1 . If the normal line current is 160 A and the circuit breaker is to operate at 125 % of normal line current, the trip mechanism should be set to operate at a trip current of
Question 3
The daily energy produced in a thermal power station is 270 MWh at a load factor of 0.9. The maximum demand of the station is –
Question 4
An equipment has a per unit impedance of 0.4 p.u. to a base of 4 MVA, 33 KV. What will be the per unit impedance to the base of 600 KVA, 11 kV will be _____ ?
Question 5
A circuit breaker have voltage and current ratings of 33 kV and 5 kA. Find the making capacity of circuit breaker ?
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May 16ESE & GATE EE
