GETCO Exam Paper (22-07-2015) 100% string efficiency means Zero potential across each disc None uniform potential distribution across each disc Equal potential across each disc One of the insulator discs shorted Zero potential across each disc None uniform potential distribution across each disc Equal potential across each disc One of the insulator discs shorted ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by decreasing generator inertia using double circuit line instead of single circuit line reducing fault clearing time by fast switching decreasing generator inertia using double circuit line instead of single circuit line reducing fault clearing time by fast switching ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The value of holding ratio of relay is always less than 1 Infinite zero greater than 1 less than 1 Infinite zero greater than 1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The magnitude of sum of two sinusoidal AC voltages is equal to the magnitude of each individual voltage, What must be the phase difference between voltages? 90 180 60 120 90 180 60 120 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is the most likely reason for large overshoot in a control system? High gain in a system high retarding torque presence of dead time delay high positive correcting torque High gain in a system high retarding torque presence of dead time delay high positive correcting torque ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Impedance Relay Over current Relay Reactance Relay Mho Relay Impedance Relay Over current Relay Reactance Relay Mho Relay ANSWER DOWNLOAD EXAMIANS APP
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