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? Non-conventional power stations Base power stations 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 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) For the protection of power system against travelling waves, we use None of these overhead ground wires surge diverters earthing screens None of these overhead ground wires surge diverters earthing screens ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Which of the following is not equivalent to watts? amperes² x ohm joules per second amperes/volt amperes x volts amperes² x ohm joules per second amperes/volt amperes x volts ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) For an overhead line, the surge impedance is taken as 70-80 Ω 500-1000 Ω 100-200 Ω 20-40 Ω 70-80 Ω 500-1000 Ω 100-200 Ω 20-40 Ω ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Back to back HVDC is used to reduce voltage drop provide stable interconnection decrease line losse increase the transmission capability reduce voltage drop provide stable interconnection decrease line losse increase the transmission capability 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 0.866 0.5 unity zero 0.866 0.5 unity 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
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