GETCO Exam Paper (22-07-2015) Penalty factor in power system economical operation is measure of fuel cost generation cost Line loss all are correct fuel cost generation cost Line loss all are correct ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is not true about fuel cells? no recharging is needed need more than two electrode cost is higher than batteries more efficient no recharging is needed need more than two electrode cost is higher than batteries more efficient ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Differential equation is required to be solved in _____ Finding efficiency of a transmission line Stability studies economical operation of power systems Load flow studies Finding efficiency of a transmission line Stability studies economical operation of power systems Load flow studies ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is lagging leading unity zero lagging leading unity zero 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) Fuel cell for power generation have drawback of _____ Very high development costs Noise, pollution and maintenance problems Synchronization problems Low life span Very high development costs Noise, pollution and maintenance problems Synchronization problems Low life span ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) "Overshoot" in a time response of control systems is indication of steady state solution measure of relative stability final value of the output none of this steady state solution measure of relative stability final value of the output none of this ANSWER DOWNLOAD EXAMIANS APP