Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Hydrogen. Liquid. Water. Air. Hydrogen. Liquid. Water. Air. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true regarding HVDC? There is no skin effect in dc line All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is 0 greater than 1 1 less than 1 0 greater than 1 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 56 %. 28 %. None of above 14 %. 56 %. 28 %. None of above 14 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are No units for any quantity Need of transformation ratio It has units for all quantities All of these No units for any quantity Need of transformation ratio It has units for all quantities All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? parallel frequency flat tie line control flat frequency control All of these parallel frequency flat tie line control flat frequency control All of these ANSWER DOWNLOAD EXAMIANS APP
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