GETCO Exam Paper (22-07-2015) Penalty factor in power system economical operation is measure of fuel cost Line loss all are correct generation cost fuel cost Line loss all are correct generation cost ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The PU impedance of a 1089 MVA, 33 kV generator is 1, the ohmic value of its impedance is: 0.5 1 100 10 0.5 1 100 10 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on stator reactance load current stator resistance rotor resistance and reactance stator reactance load current stator resistance rotor resistance and reactance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=Râ‚‚/Xâ‚‚
GETCO Exam Paper (22-07-2015) Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power? angle of the voltage is not considered deference of error is the main reason Change in voltage magnitude marginally affects real power AVR loop response is slower than LFC loop angle of the voltage is not considered deference of error is the main reason Change in voltage magnitude marginally affects real power AVR loop response is slower than LFC loop ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 4.2 years 42 secs 4.2 minutes 4.2 hours 4.2 years 42 secs 4.2 minutes 4.2 hours ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In case of a balanced three phase sinusoidal AC supply, because of the phase difference rotating magnetic field is produced neutral current is high if load is not balanced neutral wire is not required, if load is balanced all are correct rotating magnetic field is produced neutral current is high if load is not balanced neutral wire is not required, if load is balanced all are correct ANSWER DOWNLOAD EXAMIANS APP
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