GETCO Exam Paper (11-06-2017) The volume of copper required for an ac transmission line is inversely proportional to current power factor voltage voltage and power factor current power factor voltage voltage and power factor 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 unity 0.5 zero 0.866 unity 0.5 zero 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) Bundled conductors are employed to improve appearance of the transmission line mechanically stability of the line corona performance of the line current carrying capacity of the line appearance of the transmission line mechanically stability of the line corona performance of the line current carrying capacity of the line ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) For an overhead line, the surge impedance is taken as 70-80 Ω 20-40 Ω 100-200 Ω 500-1000 Ω 70-80 Ω 20-40 Ω 100-200 Ω 500-1000 Ω ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Arc in a circuit breaker is interrupted at zero current maximum voltage minimum voltage maximum current zero current maximum voltage minimum voltage maximum current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Which of the following is not true for sulphur Hexafluoride gas? It has high dielectric strength It is electronegative in nature It is non toxic It is highly inflammable It has high dielectric strength It is electronegative in nature It is non toxic It is highly inflammable ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS