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 100 150 200 300 100 150 200 300 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. 250 125 1000 500 250 125 1000 500 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power? Change in voltage magnitude marginally affects real power deference of error is the main reason angle of the voltage is not considered AVR loop response is slower than LFC loop Change in voltage magnitude marginally affects real power deference of error is the main reason angle of the voltage is not considered AVR loop response is slower than LFC loop ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) During the insulation co-ordination in the sub station, the lowest insulation strength is at CTs and PTs circuit breaker transformer bus bar CTs and PTs circuit breaker transformer bus bar ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In case of HVDC transmission there is _____ no charging current but skin effect both charging effect and skin effect no charging current no skin effect charging current but no skin effect no charging current but skin effect both charging effect and skin effect no charging current no skin effect charging current but no skin effect ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on load current stator reactance rotor resistance and reactance stator resistance load current stator reactance rotor resistance and reactance stator resistance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=Râ‚‚/Xâ‚‚
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