GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is same depends on transformer design depends on load different same depends on transformer design depends on load different ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) Which power plant may take several days to start up and shunt down? Base load solar power plant Peak load none of these Base load solar power plant Peak load none of these 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 MW 1000 kW 250 MW 400 MW 1000 MW 1000 kW 250 MW 400 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) Two heaters rated at 500 W, 250 V each are conneted in series across a 250 V, 50 Hz mains. The total power drawn from the supply would be _____ watt. 500 250 1000 125 500 250 1000 125 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 0 N-m 10 N-m 23.5 N-m 22 N-m 0 N-m 10 N-m 23.5 N-m 22 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) In case of a balanced three phase sinusoidal AC supply, because of the phase difference all are correct neutral wire is not required, if load is balanced rotating magnetic field is produced neutral current is high if load is not balanced all are correct neutral wire is not required, if load is balanced rotating magnetic field is produced neutral current is high if load is not balanced ANSWER DOWNLOAD EXAMIANS APP