GETCO Exam Paper (22-07-2015) In G-S method of power flow problem, the number of iterations _____ depends on voltage control buses depends on no of buses remains fixed depends on tolerance depends on voltage control buses depends on no of buses remains fixed depends on tolerance ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is unity lagging zero leading unity lagging zero leading ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is different depends on transformer design depends on load same different depends on transformer design depends on load same ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) Kathakali' is a folk dance prevalent in which state? Karnataka Andhra Pradesh Kerala Orissa Karnataka Andhra Pradesh Kerala Orissa ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fuel cell for power generation have drawback of _____ Low life span Very high development costs Noise, pollution and maintenance problems Synchronization problems Low life span Very high development costs Noise, pollution and maintenance problems Synchronization problems ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Reactive power limit Transient stability limit Short circuit limit Steady state limit Reactive power limit Transient stability limit Short circuit limit Steady state limit ANSWER DOWNLOAD EXAMIANS APP
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