GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on two identical DC motors induction motor with synchronous motor induction motor with any DC motor two identical induction motors two identical DC motors induction motor with synchronous motor induction motor with any DC motor two identical induction motors ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In hopkinson test known as regenerative testtwo identical machine coupledD.C shunt motorD.C shunt generatortemperature rise can be check under rated conditionlarge machine can be tested without drawing much power.
GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to reduce the effect of non identical CTs increase the relay sensitivity block harmonics increase the current limit reduce the effect of non identical CTs increase the relay sensitivity block harmonics increase the current limit 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 150 200 100 300 150 200 100 300 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The fault occurring in transmission actually are mostly L-L-G L-L-L L-G L-L L-L-G L-L-L L-G L-L ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The value of holding ratio of relay is always greater than 1 Infinite less than 1 zero greater than 1 Infinite less than 1 zero ANSWER DOWNLOAD EXAMIANS APP