GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 4.12 3 + 2(1.41) 7 5 4.12 3 + 2(1.41) 7 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) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 0 N-m 23.5 N-m 22 N-m 10 N-m 0 N-m 23.5 N-m 22 N-m 10 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) To find the most accurate values of resistance and inductance of the transmission line T configuration is used Pi configuration is used End condenser configuration is used Distributed parameter configuration used T configuration is used Pi configuration is used End condenser configuration is used Distributed parameter configuration used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For given kVAR and line voltage the ratio of star to delta value of capacitor is 1 3 1.73 0.33333333333333 1 3 1.73 0.33333333333333 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In load flow analysis, the load at the bus is represented as none of these a voltag dependent impedance at the bus a constant current drawn from the bus a constant impedance connected at the bus none of these a voltag dependent impedance at the bus a constant current drawn from the bus a constant impedance connected at the bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Increase line impedance Improve the stability Improve voltage profile Reduce the fault level Increase line impedance Improve the stability Improve voltage profile Reduce the fault level ANSWER DOWNLOAD EXAMIANS APP
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