Power Systems The overall efficiency of a steam power plant equal to product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. the Rankine cycle. binary vapor cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. the Rankine cycle. binary vapor cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 60-70% 45-55% 20-25% 30-40% 60-70% 45-55% 20-25% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§? 320 Ω 400 Ω 200 Ω 160 Ω 320 Ω 400 Ω 200 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 10% 6.92% -10% -6.92% 10% 6.92% -10% -6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 3 and 1 pu 2 and 2 pu 2 and 5 pu 1 and 3 pu 3 and 1 pu 2 and 2 pu 2 and 5 pu 1 and 3 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in reduction of KVA rating of distribution transformers improved voltage regulation reduction in distribution power loss All of these reduction of KVA rating of distribution transformers improved voltage regulation reduction in distribution power loss All of these ANSWER DOWNLOAD EXAMIANS APP