Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Less than the velocity of sound Equal to the velocity of sound None of these More than the velocity of sound Less than the velocity of sound Equal to the velocity of sound None of these More than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Spontaneous combustion during coal storage Facilitating ash precipitation Corroding air heaters All of these Spontaneous combustion during coal storage Facilitating ash precipitation Corroding air heaters All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The basic purpose of drum in boiler is to Remove salts from water Serve as storage of steam Serve as storage of feed water for water wall Separate steam from water Remove salts from water Serve as storage of steam Serve as storage of feed water for water wall Separate steam from water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Increased thermal efficiency Increased work output per unit mass of steam Decreased work output per unit mass of steam Decreased work output per unit mass of steam as well as increased thermal efficiency Increased thermal efficiency Increased work output per unit mass of steam Decreased work output per unit mass of steam Decreased work output per unit mass of steam as well as increased thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called Vacuum efficiency Condenser efficiency Nozzle efficiency Boiler efficiency Vacuum efficiency Condenser efficiency Nozzle efficiency Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Decrease dryness fraction of steam Increase the heat drop Increase the entropy Decrease specific volume of steam Decrease dryness fraction of steam Increase the heat drop Increase the entropy Decrease specific volume of steam ANSWER DOWNLOAD EXAMIANS APP