GETCO Exam Paper (11-06-2017) A power system needs injection of VARs at full load off-peak load peak load both peak and off-peak load full load off-peak load peak load both peak and off-peak load 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 calculation elegant capacitance very small the power factor correction more effective the connection elegant capacitance calculation elegant capacitance very small the power factor correction more effective the connection elegant ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) The booster is inserted in the circuit to reduce voltage drop compensate for voltage drop increase current reduce current reduce voltage drop compensate for voltage drop increase current reduce current 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 0.866 0.5 zero unity 0.866 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) The lead sheath of the cable may get damaged due to chemical action with impurities present in the soil when buried in earth mechanically injury crystallisation of lead through vibrations any one chemical action with impurities present in the soil when buried in earth mechanically injury crystallisation of lead through vibrations any one ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Burden of a protective relay is the power required to operate the circuit breaker developed by the relay circuit absorbed by the circuit of relay none required to operate the circuit breaker developed by the relay circuit absorbed by the circuit of relay none ANSWER DOWNLOAD EXAMIANS APP