GETCO Exam Paper (22-07-2015) The area under the load duration curve represents Maximum demand of the power station average load of the system base load of the system energy generated in the period considered Maximum demand of the power station average load of the system base load of the system energy generated in the period considered ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In load flow analysis, the load at the bus is represented as a constant impedance connected at the bus a voltag dependent impedance at the bus none of these a constant current drawn from the bus a constant impedance connected at the bus a voltag dependent impedance at the bus none of these a constant current drawn from the bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is leading unity lagging zero leading unity lagging zero 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 given kVAR and line voltage the ratio of star to delta value of capacitor is 0.33333333333333 1.73 1 3 0.33333333333333 1.73 1 3 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on two identical induction motors induction motor with synchronous motor induction motor with any DC motor two identical DC motors two identical induction motors induction motor with synchronous motor induction motor with any DC motor two identical DC motors ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In hopkinson test known as regenerative testtwo identical machine coupledD.C shunt motorD.C shunt generatortemperature rise can be check under rated conditionlarge machine can be tested without drawing much power.
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because all are correct PF of the load can also be estimated it can be used for balanced or unbalanced load it can be used for star or delta connected load all are correct PF of the load can also be estimated it can be used for balanced or unbalanced load it can be used for star or delta connected load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS