GETCO Exam Paper (11-06-2017) In air blast circuit breaker resistance switching is used to control the CB operating time change the fault current power factor damp out the fast transient reduce the magnitude of fault current control the CB operating time change the fault current power factor damp out the fast transient reduce the magnitude of fault current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Which of the following relays is used on long transmission lines? Reactance relay None Impedance relay Mho's relay Reactance relay None Impedance relay Mho's relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) A power system needs injection of VARs at peak load off-peak load full load both peak and off-peak load peak load off-peak load full load both peak and off-peak load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Arc in a circuit breaker is interrupted at maximum voltage zero current minimum voltage maximum current maximum voltage zero current minimum voltage maximum current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) The current through series RLC circuit under resonance condition will be V/XC none V/XL V/R V/XC none V/XL V/R ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For series resonace circuit,Z = RI = ImaxI = V/Z = V/R
GETCO Exam Paper (11-06-2017) The power factor of an open ended cable can be improved by increasing the conductor resistance increasing the insulation resistance increasing the capacitance decreasing the capacitance increasing the conductor resistance increasing the insulation resistance increasing the capacitance decreasing the capacitance ANSWER DOWNLOAD EXAMIANS APP
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