GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ frictional loss & copper loss copper loss and iron loss field copper loss & iron loss mechanical loss & iron loss frictional loss & copper loss copper loss and iron loss field copper loss & iron loss mechanical loss & iron loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “mechanical loss & iron loss ”.Many times stray loss is also considered as total loss actually accured minus calculatable loss. This means loss that can be calculated is known as stray loss.
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the reactive power control Improve the power factor Improve the dynamic stability Improve the voltage control Improve the reactive power control Improve the power factor Improve the dynamic stability Improve the voltage control ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Merz-Price protection is employed for protection of transmission lines motor alternators circuit breaker transmission lines motor alternators circuit breaker ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Select the wrong statement from the following in relation to power flow analysis Y Bus is required for power flow analysis Approximation is used in FDLF method No of ittretion in N R method can not be more than 30 for any system jacobian is always required Y Bus is required for power flow analysis Approximation is used in FDLF method No of ittretion in N R method can not be more than 30 for any system jacobian is always required ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 1000 kW 250 MW 1000 MW 400 MW 1000 kW 250 MW 1000 MW 400 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Corona Load power factor Switching over voltages Harmonics Corona Load power factor Switching over voltages Harmonics ANSWER DOWNLOAD EXAMIANS APP