GETCO Exam Paper (11-06-2017) Burden of a protective relay is the power absorbed by the circuit of relay required to operate the circuit breaker none developed by the relay circuit absorbed by the circuit of relay required to operate the circuit breaker none developed by the relay circuit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) The most accurate and versatile method of achieving power compensation is by using switched capacitors fixed capacitor with controlled reactor switched capacitor with controlled reactors saturable reactor with capacitor bank switched capacitors fixed capacitor with controlled reactor switched capacitor with controlled reactors saturable reactor with capacitor bank ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) If the reading of two wattmeters are equal and positive in two wattmeter method, the load power factor in abalanced 3-phase 3-wire circuit will be unity 0.5 0.866 zero unity 0.5 0.866 zero ANSWER EXPLANATION DOWNLOAD EXAMIANS APP W1 = W2 (+Ve) → PF = 1W1, W2 Positive → PF > 0.5W1 +Ve, W2 = 0 → PF = 0.5W1 +Ve, W2 = -Ve → PF < 0.5W1 = - W2 → PF = 0
GETCO Exam Paper (11-06-2017) In a load duration curve for an integrated power system, the uppermost crest represents the energy contributed by which one of the following? Major thermal stations Peaking hydro or gas turbine stations Non-conventional power stations Base power stations Major thermal stations Peaking hydro or gas turbine stations Non-conventional power stations Base power stations ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) For an overhead line, the surge impedance is taken as 20-40 Ω 70-80 Ω 500-1000 Ω 100-200 Ω 20-40 Ω 70-80 Ω 500-1000 Ω 100-200 Ω ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Circuit breakers usually operate under transient state of short circuit current steady short circuit current sub-transient state of short circuit current None transient state of short circuit current steady short circuit current sub-transient state of short circuit current None ANSWER DOWNLOAD EXAMIANS APP
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