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