Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The steam is expanded in moving blades only The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The pressure and temperature of steam remains constant The steam is expanded in moving blades only The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded both in fixed and moving blades continuously The pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. Has no effect on Increases None of these Decreases Has no effect on Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is steam dial? Coking bituminous coal Brown coal Pulverized coal Non-coking bituminous coal Coking bituminous coal Brown coal Pulverized coal Non-coking bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation is defined as The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated from and at 100°C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The evaporation of 15.653 kg of water per hour from and at 100°C The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated from and at 100°C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The evaporation of 15.653 kg of water per hour from and at 100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Dryness fraction of steam All of these Specific volume of steam Velocity of steam Dryness fraction of steam All of these Specific volume of steam Velocity of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Reduce exit losses All of these Improve efficiency Reduce speed of rotor Reduce exit losses All of these Improve efficiency Reduce speed of rotor ANSWER DOWNLOAD EXAMIANS APP