Power Systems Condition for zero voltage regulation is cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? It requires more maintenance because of running equipment All of these Initial cost of synchronous phase modifier is higher It consumes both active and reactive power It requires more maintenance because of running equipment All of these Initial cost of synchronous phase modifier is higher It consumes both active and reactive power ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. binary vapor cycle. regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. the Rankine cycle. binary vapor cycle. regenerative cycle. 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 In Rankine cycle, the work output from a turbine is given by change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a two plant system, the load is connected to plant number 2. The loss coefficients are B11 is non zero,B22 = B12 = 0 B11,B22,B12 are non zeros B11,B12 are non zero ,B22 = 0 B11,B22 are non zero,B12 = 0 B11 is non zero,B22 = B12 = 0 B11,B22,B12 are non zeros B11,B12 are non zero ,B22 = 0 B11,B22 are non zero,B12 = 0 ANSWER DOWNLOAD EXAMIANS APP
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