GETCO Exam Paper (11-06-2017) The dynamic resistance of a parallel resonant circuit is given by LCR LC/R C/LR L/CR LCR LC/R C/LR L/CR ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) The rated voltage of a 3-phase power system is given as peak phase voltage peak line-to-peak voltage rms line-to-line voltage rms phase voltage peak phase voltage peak line-to-peak voltage rms line-to-line voltage rms phase voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) To improve the power factor in three phase circuits, the capacitor bank is connected in delta to make capacitance calculation elegant the connection elegant the power factor correction more effective capacitance very small capacitance calculation elegant the connection elegant the power factor correction more effective capacitance very small 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 unity 0.866 0.5 zero unity 0.866 0.5 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 3-phase supply, floating neutral is undesirable because it may result in _____ across the load none unequal line voltage low voltage high voltage none unequal line voltage low voltage high voltage ANSWER DOWNLOAD EXAMIANS APP
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