Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 1.05 2.86 10.05 6.65 1.05 2.86 10.05 6.65 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Air-preheater Economizer Injector Superheater Air-preheater Economizer Injector Superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fusible plug in small boilers is located Over the combustion chamber In the drum Above steam dome In the fire tubes Over the combustion chamber In the drum Above steam dome In the fire tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The evaporation of 15.653 kg of water per hour from and at 100°C is called One boiler h.p. Factor of evaporation Evaporative capacity Equivalent evaporation One boiler h.p. Factor of evaporation Evaporative capacity Equivalent evaporation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The three "Ts" for good combustion are Thorough mixing, total air and temperature Total air, time, and temperature Total air, true fuel, and turbulence Temperature, time, and turbulence Thorough mixing, total air and temperature Total air, time, and temperature Total air, true fuel, and turbulence Temperature, time, and turbulence ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS