Power Systems Which of the following is used in thermal plants Joule cycle Otto cycle All of these Rankine cycle Joule cycle Otto cycle All of these Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.25 0.89 1.13 1 1.25 0.89 1.13 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is fully loaded The line is lightly loaded The power factor is unity The line is heavily loaded The line is fully loaded The line is lightly loaded The power factor is unity The line is heavily loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using direct heat in the furnace. HP steam. LP steam. flue gas. direct heat in the furnace. HP steam. LP steam. flue gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? capacitor voltage transformer All of these distribution transformer auto transformer capacitor voltage transformer All of these distribution transformer auto transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP