GETCO Exam Paper (22-07-2015) When the load is suddenly increased in the receiving end of the system, the phase shift will decrease increase remains same Not affected decrease increase remains same Not affected 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
GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 23.5 N-m 10 N-m 22 N-m 0 N-m 23.5 N-m 10 N-m 22 N-m 0 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) Which of the following is not true about fuel cells? cost is higher than batteries no recharging is needed need more than two electrode more efficient cost is higher than batteries no recharging is needed need more than two electrode more efficient ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to block harmonics increase the relay sensitivity reduce the effect of non identical CTs increase the current limit block harmonics increase the relay sensitivity reduce the effect of non identical CTs increase the current limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current relays are used load interrupter switches are used isolators are used circuit breakers are used relays are used load interrupter switches are used isolators are used circuit breakers are used ANSWER DOWNLOAD EXAMIANS APP
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