GETCO Exam Paper (22-07-2015) For selecting low voltage cable which of the following factors is not important? permissible voltage drop voltage grade short circuit current rating current carrying capacity permissible voltage drop voltage grade short circuit current rating current carrying capacity ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ no load 3/4 load 1/2 load full load no load 3/4 load 1/2 load full load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
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 increase the relay sensitivity block harmonics reduce the effect of non identical CTs increase the current limit increase the relay sensitivity block harmonics reduce the effect of non identical CTs increase the current limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a power system network, at which bus the shunt is connected that can be known from Y bus of the system type of bus none of these reactive power demand Y bus of the system type of bus none of these reactive power demand 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 150 300 100 200 150 300 100 200 ANSWER DOWNLOAD EXAMIANS APP
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