Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred By direct mixing From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace By direct mixing From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam under ideal conditions takes place at constant Entropy Pressure Enthalpy Temperature Entropy Pressure Enthalpy Temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Pulverized coal Coking coal High sulphur coal Non-coking or free burning coal Pulverized coal Coking coal High sulphur coal Non-coking or free burning coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and less economical More efficient and more economical More efficient and less economical Less efficient and more economical Less efficient and less economical More efficient and more economical More efficient and less economical Less efficient and more economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the inlet pressure of steam is equal to the exit pressure, then Fluid flows through the nozzle There is no pressure drop and fluid does not flow through the nozzle There is a pressure drop in the nozzle Pressure drops and fluid flows through the nozzle Fluid flows through the nozzle There is no pressure drop and fluid does not flow through the nozzle There is a pressure drop in the nozzle Pressure drops and fluid flows through the nozzle 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 Overall efficiency Indicated thermal efficiency Brake thermal efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Brake thermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
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