GETCO Exam Paper (11-06-2017) By increasing the transmission voltage to double of its original value the same power can be dispatched double the original value equal to original value one fourth of original value half the original value double the original value equal to original value one fourth of original value half the original value ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Which of the following relays is used on long transmission lines? None Reactance relay Impedance relay Mho's relay None Reactance relay Impedance relay Mho's relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) For an overhead line, the surge impedance is taken as 20-40 Ω 100-200 Ω 70-80 Ω 500-1000 Ω 20-40 Ω 100-200 Ω 70-80 Ω 500-1000 Ω ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) The function of a surge tank is to relieve water hammer pressure in the penstock pipe none produce surge in the pipeline supply water at constant pressure relieve water hammer pressure in the penstock pipe none produce surge in the pipeline supply water at constant pressure ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Diversity factor is always more than unity equal to unity more than twenty less than unity more than unity equal to unity more than twenty less than unity 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 zero unity 0.866 0.5 zero 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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