GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: Apparent power which it can supply True power which it can supply Apparent power which it draws from the supply mains True power whichh it draws from the supply mains Apparent power which it can supply True power which it can supply Apparent power which it draws from the supply mains True power whichh it draws from the supply mains ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The rating of given on the name plate of a transformer indicates the:Apparent power which it can supply S=V( supplied voltage)*I (load current)active power = v* i*cosφreactive power = v* i*sinφ
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 150 300 100 200 150 300 100 200 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In the standard B-H curve X axis and Y axis intercepts respctively represents residual magnetism and coercive force Flux and MMF Hysteresis loss and Flux coercive force and residual magnetism residual magnetism and coercive force Flux and MMF Hysteresis loss and Flux coercive force and residual magnetism ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle always less greater than or equal to same lesser than or equal to always less greater than or equal to same lesser than or equal to ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to increase the current limit block harmonics reduce the effect of non identical CTs increase the relay sensitivity increase the current limit block harmonics reduce the effect of non identical CTs increase the relay sensitivity ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two heaters rated at 500 W, 250 V each are conneted in series across a 250 V, 50 Hz mains. The total power drawn from the supply would be _____ watt. 250 1000 125 500 250 1000 125 500 ANSWER DOWNLOAD EXAMIANS APP
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