GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 4.12 7 3 + 2(1.41) 5 4.12 7 3 + 2(1.41) 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) For selecting low voltage cable which of the following factors is not important? short circuit current rating current carrying capacity voltage grade permissible voltage drop short circuit current rating current carrying capacity voltage grade permissible voltage drop ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Speed of induction motor at rated torque is _____ than at maximum torque. lesser same greater depends on load lesser same greater depends on load ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Transient stability limit Short circuit limit Reactive power limit Steady state limit Transient stability limit Short circuit limit Reactive power limit Steady state limit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In G-S method of power flow problem, the number of iterations _____ remains fixed depends on tolerance depends on no of buses depends on voltage control buses remains fixed depends on tolerance depends on no of buses depends on voltage control buses ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is depends on load depends on transformer design same different depends on load depends on transformer design same different ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
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