Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is To reduce the temperature range in each cylinder All of these To reduce the length of stroke To reduce the ratio of expansion in each cylinder To reduce the temperature range in each cylinder All of these To reduce the length of stroke To reduce the ratio of expansion in each cylinder ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 2.5 to 3.5 m None of these 1.5 to 2 m 3.5 to 4.5 m 2.5 to 3.5 m None of these 1.5 to 2 m 3.5 to 4.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam temperature with increase in load in case of a boiler fitted with radiation superheater Remain unaffected Increases Decreases First increases and then decreases Remain unaffected Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Mechanical efficiency Indicated thermal efficiency Brake thermal efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Brake thermal efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gusset stays in a boiler are provided to Prevent leakage of hot flue gases Prevent the bulging of flat surfaces Support furnace freely from top Avoid explosion in furnace Prevent leakage of hot flue gases Prevent the bulging of flat surfaces Support furnace freely from top Avoid explosion in furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler H.P. is defined as the Work done by 1 kg of steam at saturation condition Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Steam evaporation rate per kg of fuel fired The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Steam evaporation rate per kg of fuel fired The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam ANSWER DOWNLOAD EXAMIANS APP
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