Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sublimation region is the region where Solid and vapor phases are in equilibrium Liquid and vapor phases are in equilibrium Solid, liquid and vapor phases are in equilibrium Solid and liquid phases are in equilibrium Solid and vapor phases are in equilibrium Liquid and vapor phases are in equilibrium Solid, liquid and vapor phases are in equilibrium Solid and liquid phases are in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash All of these Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash All of these Heat carried away by flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is not a boiler mounting? Feed check valve Economiser Blow off cock Fusible plug Feed check valve Economiser Blow off cock Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals that of the surroundings Equals to atmospheric pressure Equals the pressure of water in the container Equals 760 mm of mercury Equals that of the surroundings Equals to atmospheric pressure Equals the pressure of water in the container Equals 760 mm of mercury ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Blow off cock in a boiler is used to Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Increase the temperature of saturated steam without raising its pressure Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Increase the temperature of saturated steam without raising its pressure Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required ANSWER DOWNLOAD EXAMIANS APP
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