GETCO Exam Paper (22-07-2015) In a power system network, at which bus the shunt is connected that can be known from Y bus of the system reactive power demand none of these type of bus Y bus of the system reactive power demand none of these type of bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 7 3 + 2(1.41) 5 4.12 7 3 + 2(1.41) 5 4.12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP if voltage is given by,v(t) = V₀ + V₁ cos(3t) + V₂ cos(5t)+ …RMS value is given by,√( V₀² + (V₁/√2)² + (V₂/√2)² + …)
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because all are correct it can be used for balanced or unbalanced load it can be used for star or delta connected load PF of the load can also be estimated all are correct it can be used for balanced or unbalanced load it can be used for star or delta connected load PF of the load can also be estimated ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The power factor of the arc in circuit breaker is always zero always lagging always unity always leading always zero always lagging always unity always leading ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt capacitors in a substation consumes lagging VAR deliver active power consume active power delivers lagging VAR consumes lagging VAR deliver active power consume active power delivers lagging VAR ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on induction motor with synchronous motor two identical DC motors induction motor with any DC motor two identical induction motors induction motor with synchronous motor two identical DC motors induction motor with any DC motor two identical induction motors ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In hopkinson test known as regenerative testtwo identical machine coupledD.C shunt motorD.C shunt generatortemperature rise can be check under rated conditionlarge machine can be tested without drawing much power.
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