GETCO Exam Paper (11-06-2017) Arc in a circuit breaker is interrupted at maximum current minimum voltage zero current maximum voltage maximum current minimum voltage zero current maximum voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Fiber-optic cables are used in power system applications mainly for all communication between power station and load control centre SCADA communication between power station and substation all communication between power station and load control centre SCADA communication between power station and substation ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) On which of the following cycles does a modern steam power plant work? Otto Cycle Rankine cycle Bell-Coleman cycle Carnot cycle Otto Cycle Rankine cycle Bell-Coleman cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) In a 3-phase, 4-wire cable the cross sectional area of neutral conductor is 1.5 times the area of phase conductor equal to the area of phase conductor double the area of phase conductor half of the area of phase conductor 1.5 times the area of phase conductor equal to the area of phase conductor double the area of phase conductor half of the area of phase conductor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer as per answer key provided is “double the area of phase conductor”. But neutral wire can be half of phase.
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 zero 0.5 0.866 unity zero 0.5 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) Ferranti effect happens in transmission line when the line is long and loaded none long and unloaded short and loaded long and loaded none long and unloaded short and loaded ANSWER DOWNLOAD EXAMIANS APP
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