GETCO Exam Paper (22-07-2015) Merz-Price protection is employed for protection of alternators circuit breaker transmission lines motor alternators circuit breaker transmission lines motor ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) When the load is suddenly increased in the receiving end of the system, the phase shift will remains same decrease increase Not affected remains same decrease increase Not affected ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is unity leading zero lagging unity leading zero lagging ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) The instantaneous value of power in purely inductive circuit is constant none of this zero changing constant none of this zero changing ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The instantaneous value of power in purely inductive circuit is changing as it is given as v*i. The average power of purely inductive circuit over a cycle is zero
GETCO Exam Paper (22-07-2015) Fuel cell for power generation have drawback of _____ Noise, pollution and maintenance problems Synchronization problems Low life span Very high development costs Noise, pollution and maintenance problems Synchronization problems Low life span Very high development costs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the power factor Improve the voltage control Improve the reactive power control Improve the dynamic stability Improve the power factor Improve the voltage control Improve the reactive power control Improve the dynamic stability ANSWER DOWNLOAD EXAMIANS APP
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