GETCO Exam Paper (11-06-2017) Ferranti effect happens in transmission line when the line is long and unloaded long and loaded none short and loaded long and unloaded long and loaded none short and loaded ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Bundled conductors are employed to improve corona performance of the line current carrying capacity of the line appearance of the transmission line mechanically stability of the line corona performance of the line current carrying capacity of the line appearance of the transmission line mechanically stability of the line ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Powe system stability is least affected by losses reactance of transmission line reactance of generator input torque losses reactance of transmission line reactance of generator input torque ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Circuit breakers usually operate under sub-transient state of short circuit current steady short circuit current transient state of short circuit current None sub-transient state of short circuit current steady short circuit current transient state of short circuit current None ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) In a super heater temperature rises and pressure drops temprature rises and pressure remains unchanged pressure rises and temperature drops pressure rises and temperature remains the same temperature rises and pressure drops temprature rises and pressure remains unchanged pressure rises and temperature drops pressure rises and temperature remains the same 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 zero 0.866 0.5 unity zero 0.866 0.5 unity 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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