GETCO Exam Paper (22-07-2015) Penalty factor in power system economical operation is measure of all are correct Line loss fuel cost generation cost all are correct Line loss fuel cost generation cost 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 22 N-m 23.5 N-m 0 N-m 10 N-m 22 N-m 23.5 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) Fuel cell for power generation have drawback of _____ Very high development costs Low life span Noise, pollution and maintenance problems Synchronization problems Very high development costs Low life span Noise, pollution and maintenance problems Synchronization problems 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 300 100 150 200 300 100 150 200 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by reducing fault clearing time by fast switching using double circuit line instead of single circuit line decreasing generator inertia reducing fault clearing time by fast switching using double circuit line instead of single circuit line decreasing generator inertia ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 42 secs 4.2 minutes 4.2 hours 4.2 years 42 secs 4.2 minutes 4.2 hours 4.2 years ANSWER DOWNLOAD EXAMIANS APP
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