GETCO Exam Paper (11-06-2017)
Burden of a protective relay is the power

none
required to operate the circuit breaker
absorbed by the circuit of relay
developed by the relay circuit

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GETCO Exam Paper (11-06-2017)
In a super heater

temprature rises and pressure remains unchanged
pressure rises and temperature drops
pressure rises and temperature remains the same
temperature rises and pressure drops

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GETCO Exam Paper (11-06-2017)
In a 3-phase, 4-wire cable the cross sectional area of neutral conductor is

double the area of phase conductor
equal to the area of phase conductor
1.5 times the area of phase conductor
half of the area of phase conductor

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