GETCO Exam Paper (22-07-2015) The area under the load duration curve represents average load of the system Maximum demand of the power station energy generated in the period considered base load of the system average load of the system Maximum demand of the power station energy generated in the period considered base load of the system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) No load efficiency of tranformer is _____ than full load efficiency depends on load greater lesser same depends on load greater lesser same 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 draws from the supply mains Apparent power which it can supply True power whichh it draws from the supply mains True power which it can supply Apparent power which it draws from the supply mains Apparent power which it can supply True power whichh it draws from the supply mains True power which it can supply 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) Shunt capacitors in a substation delivers lagging VAR consumes lagging VAR deliver active power consume active power delivers lagging VAR consumes lagging VAR deliver active power consume active power ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 1000 kW 400 MW 1000 MW 250 MW 1000 kW 400 MW 1000 MW 250 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) In case of a balanced three phase sinusoidal AC supply, because of the phase difference neutral current is high if load is not balanced neutral wire is not required, if load is balanced rotating magnetic field is produced all are correct neutral current is high if load is not balanced neutral wire is not required, if load is balanced rotating magnetic field is produced all are correct ANSWER DOWNLOAD EXAMIANS APP
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