Economics of Power Generation For given active power and voltage, the current drawn is minimum when the value of power factor is O. 8 lead Unity 0.75 lag 0.8 lag O. 8 lead Unity 0.75 lag 0.8 lag ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation In a 3 phase system, the line losses are W at a p. f. Of 1 . If the power factor becomes 0.8 lagging, the losses will becomes 1.57 W 2 W 1.25 W 0.8 W 1.57 W 2 W 1.25 W 0.8 W ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation Which of the following is not necessarily an advantage of interconnecting various power stations? Improved frequency of power supplied Economy in operation of plants Increased reliability Reduction in total installed capacity Improved frequency of power supplied Economy in operation of plants Increased reliability Reduction in total installed capacity ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation An over excites synchronous motor on no load is called Universal motor Synchronous condenser Alternator Induction motor Universal motor Synchronous condenser Alternator Induction motor ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation For a diesel generating station the useful life is expected to be around 15 to 20 years 20 to 50 years 75 to 100 years 50 to 75 years 15 to 20 years 20 to 50 years 75 to 100 years 50 to 75 years ANSWER DOWNLOAD EXAMIANS APP
Economics of Power Generation For a consumer most economical power factor is generally 0.95 leading 0.95 lagging 0.5 lagging 0.5 leading 0.95 leading 0.95 lagging 0.5 lagging 0.5 leading ANSWER DOWNLOAD EXAMIANS APP
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