GETCO Exam Paper (11-06-2017) Water hammer occurs in turbine casing penstock surge tank draft tube turbine casing penstock surge tank draft tube ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) The power factor of an open ended cable can be improved by increasing the capacitance increasing the insulation resistance decreasing the capacitance increasing the conductor resistance increasing the capacitance increasing the insulation resistance decreasing the capacitance increasing the conductor resistance ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Fiber-optic cables are used in power system applications mainly for all SCADA communication between power station and load control centre communication between power station and substation all SCADA communication between power station and load control centre communication between power station and substation ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) The rate of rise of restriking voltage depends on the capacitance of the system only both inductance and capacitance of the system the type of circuit breaker the inductance of the system only the capacitance of the system only both inductance and capacitance of the system the type of circuit breaker the inductance of the system only 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 0.5 zero unity 0.866 0.5 zero unity 0.866 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) By increasing the transmission voltage to double of its original value the same power can be dispatched 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 double the original value ANSWER DOWNLOAD EXAMIANS APP
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