GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 7 4.12 3 + 2(1.41) 5 7 4.12 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 a given transformer volte/turn for primary and secondary winding is same depends on load depends on transformer design different same depends on load depends on transformer design different ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) Earth wire on EHV overhead transmission line is provided to protect the line against corona effect switching surge excessive fault voltages lightning surge corona effect switching surge excessive fault voltages lightning surge ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is the most likely reason for large overshoot in a control system? high positive correcting torque High gain in a system presence of dead time delay high retarding torque high positive correcting torque High gain in a system presence of dead time delay high retarding torque ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) 100% string efficiency means 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 Equal potential across each disc Zero potential across each disc One of the insulator discs shorted ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Power Factor correcting element is generally connected in _____ series with load parallel to the load parallel to source series with source series with load parallel to the load parallel to source series with source ANSWER DOWNLOAD EXAMIANS APP
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