GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on two identical induction motors two identical DC motors induction motor with any DC motor induction motor with synchronous motor two identical induction motors two identical DC motors induction motor with any DC motor induction motor with synchronous motor 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 block harmonics increase the current limit increase the relay sensitivity reduce the effect of non identical CTs block harmonics increase the current limit increase the relay sensitivity reduce the effect of non identical CTs 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 300 100 200 150 300 100 200 150 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The fault occurring in transmission actually are mostly L-L-L L-L-G L-L L-G L-L-L L-L-G L-L L-G ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The value of holding ratio of relay is always less than 1 greater than 1 Infinite zero less than 1 greater than 1 Infinite zero ANSWER DOWNLOAD EXAMIANS APP