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