GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 10 N-m 0 N-m 23.5 N-m 22 N-m 10 N-m 0 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 sub stations for making and breaking of load current isolators are used relays are used load interrupter switches are used circuit breakers are used isolators are used relays are used load interrupter switches are used circuit breakers are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The constraints that are to be met with while solving UC problem are Minimum down time all are correct Spinning reserve Minimum up time Minimum down time all are correct Spinning reserve Minimum up time ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The value of holding ratio of relay is always zero greater than 1 Infinite less than 1 zero greater than 1 Infinite less than 1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle greater than or equal to always less lesser than or equal to same greater than or equal to always less lesser than or equal to same ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Short circuit limit Steady state limit Reactive power limit Transient stability limit Short circuit limit Steady state limit Reactive power limit Transient stability limit ANSWER DOWNLOAD EXAMIANS APP