GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on rotor resistance and reactance load current stator reactance stator resistance rotor resistance and reactance load current stator reactance stator resistance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) Which of the following is the most likely reason for large overshoot in a control system? presence of dead time delay High gain in a system high retarding torque high positive correcting torque presence of dead time delay High gain in a system high retarding torque high positive correcting torque ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The recent (as on 22/07/2015) Mahakumbh is held at Haridwar Ujjain Alahabad Nasik Haridwar Ujjain Alahabad Nasik ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Penalty factor in power system economical operation is measure of fuel cost Line loss all are correct generation cost fuel cost Line loss all are correct generation cost ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on induction motor with synchronous motor two identical DC motors two identical induction motors induction motor with any DC motor induction motor with synchronous motor two identical DC motors two identical induction motors induction motor with any DC 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 synchronous motor, V-curve is a graph of Armature current Vs reactive power Armature current Vs active power Armature current Vs Field current Armature current Vs power factor Armature current Vs reactive power Armature current Vs active power Armature current Vs Field current Armature current Vs power factor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
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