Power Systems Mho relay is used for protection of long lines. medium lines. none of these. short lines. long lines. medium lines. none of these. short lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power level of nuclear reactor can be increase by ( K = multiplication factor ) raising the value of K above 1 and keeping it at raised value. raising the value of K above 1, but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. raising the value of K above 1, but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power both 1 and 2 Synchronous line Asynchronous line No need of same frequency for exchange of power ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.8 lead 0.6 lag 0.8 lag 0.6 lead 0.8 lead 0.6 lag 0.8 lag 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? gas based thermal power plant nuclear plant pumped storage hydro power plant coal based thermal power plant gas based thermal power plant nuclear plant pumped storage hydro power plant coal based thermal power plant ANSWER DOWNLOAD EXAMIANS APP
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