Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 15 to 25% 10 to 15% 40 to 60% 25 to 40% 15 to 25% 10 to 15% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages. Same More None of these Less Same More None of these Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Increases Behaves unpredictably Remain same Decreases Increases Behaves unpredictably Remain same Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine when the degree of reaction is zero, then there is Maximum heat drop in moving blades No heat drop in moving blades Maximum heat drop in fixed blades No heat drop in fixed blades Maximum heat drop in moving blades No heat drop in moving blades Maximum heat drop in fixed blades No heat drop in fixed blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder All of these Decreases the efficiency of the engine Increases the workdone Increases the mean effective pressure All of these Decreases the efficiency of the engine Increases the workdone Increases the mean effective pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called Stop valve None of these Blow off cock Superheater Stop valve None of these Blow off cock Superheater ANSWER DOWNLOAD EXAMIANS APP