GETCO Exam Paper (22-07-2015) In case of HVDC transmission there is _____ both charging effect and skin effect no charging current but skin effect no charging current no skin effect charging current but no skin effect both charging effect and skin effect no charging current but skin effect no charging current no skin effect charging current but no skin effect ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Switching over voltages Harmonics Corona Load power factor Switching over voltages Harmonics Corona Load power factor ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 4.2 years 4.2 hours 4.2 minutes 42 secs 4.2 years 4.2 hours 4.2 minutes 42 secs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) To find the most accurate values of resistance and inductance of the transmission line Distributed parameter configuration used Pi configuration is used End condenser configuration is used T configuration is used Distributed parameter configuration used Pi configuration is used End condenser configuration is used T configuration is used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ copper loss and iron loss mechanical loss & iron loss field copper loss & iron loss frictional loss & copper loss copper loss and iron loss mechanical loss & iron loss field copper loss & iron loss frictional loss & copper 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) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 7 5 3 + 2(1.41) 4.12 7 5 3 + 2(1.41) 4.12 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 + …)
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