GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on rotor resistance and reactance stator reactance stator resistance load current rotor resistance and reactance stator reactance stator resistance load current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) Switching surges are high votage DCs short duration transient voltage power frequency voltage high voltage Acs high votage DCs short duration transient voltage power frequency voltage high voltage Acs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is not true about fuel cells? more efficient no recharging is needed cost is higher than batteries need more than two electrode more efficient no recharging is needed cost is higher than batteries need more than two electrode ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 2\3 5\6 6\7 7\8 2\3 5\6 6\7 7\8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
GETCO Exam Paper (22-07-2015) Who was the political Guru of Netaji? R. Das Gokhle Sardar Patel Lokmanya Tilak R. Das Gokhle Sardar Patel Lokmanya Tilak ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the reactive power control Improve the voltage control Improve the dynamic stability Improve the power factor Improve the reactive power control Improve the voltage control Improve the dynamic stability Improve the power factor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS