GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Short circuit limit Transient stability limit Steady state limit Reactive power limit Short circuit limit Transient stability limit Steady state limit Reactive power limit 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 10 N-m 0 N-m 23.5 N-m 22 N-m 10 N-m 0 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) In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for measuring purpose both measuring and protection protection purpose as power transformer measuring purpose both measuring and protection protection purpose as power transformer ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a thermal power plant, heat from the flue gases is recovered in chimney Electric precipitator Economizer condenser chimney Electric precipitator Economizer condenser ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on load current stator reactance stator resistance rotor resistance and reactance load current stator reactance stator resistance rotor resistance and reactance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ 1/2 load 3/4 load no load full load 1/2 load 3/4 load no load full load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
EXAMIANS