Steam Boilers, Engines, Nozzles and Turbines During polytropic process Steam may be wet, dry or superheated after expansion Work is done Heat transfer takes place across cylinder walls All of these Steam may be wet, dry or superheated after expansion Work is done Heat transfer takes place across cylinder walls All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Water passes through the tubes and flue gases around it Work is done during adiabatic expansion Flue gases pass through tubes and water around it Change in enthalpy Water passes through the tubes and flue gases around it Work is done during adiabatic expansion Flue gases pass through tubes and water around it Change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as Regenerative heating Bleeding None of these Reheating of steam Regenerative heating Bleeding None of these Reheating of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a water tube boiler? Lancashire boiler Babcock and Wilcox boiler Cochran boiler Locomotive boiler Lancashire boiler Babcock and Wilcox boiler Cochran boiler Locomotive boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Lower calorific value at constant pressure Higher calorific value at constant pressure Lower calorific value at constant volume Higher calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant pressure Lower calorific value at constant volume Higher calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Reheat the steam and improve its quality Completely balance against end thrust Maintain the speed of the turbine Reduce the effective heat drop Reheat the steam and improve its quality Completely balance against end thrust Maintain the speed of the turbine Reduce the effective heat drop ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS