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 0.5 zero 0.866 unity 0.5 zero 0.866 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 stability of arc in vacuum depends on the contact material only the contact material with its vapour presssure and the circuit parameters the circuit parameters only the contact material and its vapour pressure the contact material only the contact material with its vapour presssure and the circuit parameters the circuit parameters only the contact material and its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Back to back HVDC is used to increase the transmission capability decrease line losse reduce voltage drop provide stable interconnection increase the transmission capability decrease line losse reduce voltage drop provide stable interconnection ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Powe system stability is least affected by input torque losses reactance of transmission line reactance of generator input torque losses reactance of transmission line reactance of generator ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) For a lossy transmission line, the characteristic impedance does not depend on length of the line the conductivity of the conductors conductivity of the dielectric separating the conductors the operating frequncy of the line length of the line the conductivity of the conductors conductivity of the dielectric separating the conductors the operating frequncy of the line ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) What is the India's rank in the 2017 Global Peace index as per global think tank institute for economics and peace (IEP)? 141st 133rd 155th 137th 141st 133rd 155th 137th ANSWER DOWNLOAD EXAMIANS APP
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