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 0.866 0.5 unity zero 0.866 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) The power factor of an open ended cable can be improved by 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 increasing the capacitance ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) The stability of arc in vacuum depends on the contact material with its vapour presssure and the circuit parameters the contact material only the contact material and its vapour pressure the circuit parameters only the contact material with its vapour presssure and the circuit parameters the contact material only the contact material and its vapour pressure the circuit parameters only ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) The draught which a chimney produces is called forced draught induced draught balanced draught natural draught forced draught induced draught balanced draught natural draught ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Ferranti effect happens in transmission line when the line is short and loaded long and loaded none long and unloaded short and loaded long and loaded none long and unloaded ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Sorry, she can't come to the phone. She _____a bath have having has is having have having has is having ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS