GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on stator reactance stator resistance rotor resistance and reactance load current stator reactance stator resistance rotor resistance and reactance load current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) Kathakali' is a folk dance prevalent in which state? Kerala Andhra Pradesh Karnataka Orissa Kerala Andhra Pradesh Karnataka Orissa ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: Apparent power which it can supply Apparent power which it draws from the supply mains True power which it can supply True power whichh it draws from the supply mains Apparent power which it can supply Apparent power which it draws from the supply mains True power which it can supply True power whichh it draws from the supply mains ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The rating of given on the name plate of a transformer indicates the:Apparent power which it can supply S=V( supplied voltage)*I (load current)active power = v* i*cosφreactive power = v* i*sinφ
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 2\3 7\8 6\7 5\6 2\3 7\8 6\7 5\6 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) In a thermal power plant, heat from the flue gases is recovered in condenser Electric precipitator chimney Economizer condenser Electric precipitator chimney Economizer ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is 300 200 100 150 300 200 100 150 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS