GETCO Exam Paper (22-07-2015) 100% string efficiency means Zero potential across each disc One of the insulator discs shorted Equal potential across each disc None uniform potential distribution across each disc Zero potential across each disc One of the insulator discs shorted Equal potential across each disc None uniform potential distribution across each disc ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For given kVAR and line voltage the ratio of star to delta value of capacitor is 0.33333333333333 3 1.73 1 0.33333333333333 3 1.73 1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs reactive power Armature current Vs Field current Armature current Vs power factor Armature current Vs active power Armature current Vs reactive power Armature current Vs Field current Armature current Vs power factor Armature current Vs active power ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) Speed of induction motor at rated torque is _____ than at maximum torque. lesser greater depends on load same lesser greater depends on load same ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to increase the relay sensitivity increase the current limit block harmonics reduce the effect of non identical CTs increase the relay sensitivity increase the current limit block harmonics reduce the effect of non identical CTs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In case of a balanced three phase sinusoidal AC supply, because of the phase difference rotating magnetic field is produced all are correct neutral wire is not required, if load is balanced neutral current is high if load is not balanced rotating magnetic field is produced all are correct neutral wire is not required, if load is balanced neutral current is high if load is not balanced ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS