GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Improve the stability Increase line impedance Improve voltage profile Reduce the fault level Improve the stability Increase line impedance Improve voltage profile Reduce the fault level 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 22 N-m 0 N-m 23.5 N-m 10 N-m 22 N-m 0 N-m 23.5 N-m 10 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 current is high if load is not balanced rotating magnetic field is produced neutral wire is not required, if load is balanced all are correct neutral current is high if load is not balanced rotating magnetic field is produced neutral wire is not required, if load is balanced ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following breaking method save energy? dynamic breaking regenerative breaking resistor breaking plugging dynamic breaking regenerative breaking resistor breaking plugging ANSWER EXPLANATION DOWNLOAD EXAMIANS APP three types of electric breaking:Regenerative breaking( leads to economic and energy consevation)pugging (more efficient method of breaking)rheostatic breaking
GETCO Exam Paper (22-07-2015) The value of holding ratio of relay is always zero less than 1 Infinite greater than 1 zero less than 1 Infinite greater than 1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) "Overshoot" in a time response of control systems is indication of final value of the output measure of relative stability none of this steady state solution final value of the output measure of relative stability none of this steady state solution ANSWER DOWNLOAD EXAMIANS APP