GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 3 + 2(1.41) 7 4.12 5 3 + 2(1.41) 7 4.12 5 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 PF of the load can also be estimated it can be used for balanced or unbalanced load all are correct it can be used for star or delta connected load PF of the load can also be estimated it can be used for balanced or unbalanced load all are correct it can be used for star or delta connected load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following cable is extensively used for high tension and low tension work? XLPE cable VIR cable TRS cable PVC cable XLPE cable VIR cable TRS cable PVC cable ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Merz-Price protection is employed for protection of alternators circuit breaker motor transmission lines alternators circuit breaker motor transmission lines ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Differential equation is required to be solved in _____ economical operation of power systems Finding efficiency of a transmission line Stability studies Load flow studies economical operation of power systems Finding efficiency of a transmission line Stability studies Load flow studies ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Reactance Relay Over current Relay Mho Relay Impedance Relay Reactance Relay Over current Relay Mho Relay Impedance Relay ANSWER DOWNLOAD EXAMIANS APP
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