GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 3 + 2(1.41) 4.12 5 7 3 + 2(1.41) 4.12 5 7 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) 100% string efficiency means Equal potential across each disc Zero potential across each disc One of the insulator discs shorted None uniform potential distribution across each disc Equal potential across each disc Zero potential across each disc One of the insulator discs shorted None uniform potential distribution across each disc ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In load flow analysis, the load at the bus is represented as a voltag dependent impedance at the bus none of these a constant impedance connected at the bus a constant current drawn from the bus a voltag dependent impedance at the bus none of these a constant impedance connected at the bus a constant current drawn from the bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Power Factor correcting element is generally connected in _____ parallel to source parallel to the load series with source series with load parallel to source parallel to the load series with source series with load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ 1/2 load no load full load 3/4 load 1/2 load no load full load 3/4 load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Switching over voltages Harmonics Load power factor Corona Switching over voltages Harmonics Load power factor Corona ANSWER DOWNLOAD EXAMIANS APP
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