Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity increases Velocity remains constant Pressure remains constant Velocity decreases Velocity increases Velocity remains constant Pressure remains constant Velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The numbers of fire tubes in a Cochran boiler are 225 115 165 75 225 115 165 75 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Change in enthalpy Work is done during adiabatic expansion Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Change in enthalpy Work is done during adiabatic expansion Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential O₂ to support combustion Correct fuel air ratio Proper ignition temperature All the three above O₂ to support combustion Correct fuel air ratio Proper ignition temperature All the three above ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel High calorific value Produce minimum smoke and gases High ignition point Ease in storing High calorific value Produce minimum smoke and gases High ignition point Ease in storing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred From heating an intermediate material and then heating the air from this material By direct mixing From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material By direct mixing From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace ANSWER DOWNLOAD EXAMIANS APP
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