GETCO Exam Paper (11-06-2017) To improve the power factor in three phase circuits, the capacitor bank is connected in delta to make the connection elegant capacitance calculation elegant the power factor correction more effective capacitance very small the connection elegant capacitance calculation 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 0.866 zero 0.5 unity 0.866 zero 0.5 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
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 low voltage none high voltage unequal line voltage low voltage none high voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) For which one of the following materials, is the Hall Coefficient zero? Insulator Intrinsic semiconductor Alloy Metal Insulator Intrinsic semiconductor Alloy Metal ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Conductivity of aluminium is _____ time of that of copper 1.63 2.5 0.6 0.4 1.63 2.5 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
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