Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred 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 By direct mixing From heating an intermediate material and then heating the air from this material ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are those in which Forced circulation takes place Water passes through the tubes and flue gases around it Tubes are laid vertically Flue gases pass through tubes and water around it Forced circulation takes place Water passes through the tubes and flue gases around it Tubes are laid vertically Flue gases pass through tubes and water around it ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of brake power to the indicated power is known as Indicated thermal efficiency Brake thermal efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Brake thermal efficiency Overall efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Parson's reaction turbine is a __________ reaction turbine. 70 percent 50 percent 60 percent 40 percent 70 percent 50 percent 60 percent 40 percent ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The feed check valve is used in order to Recirculate unwanted feed water Allow high pressure feed water to flow to drum and not allow reverse flow to take place Regulate flow of boiler water Check level of water in boiler drum Recirculate unwanted feed water Allow high pressure feed water to flow to drum and not allow reverse flow to take place Regulate flow of boiler water Check level of water in boiler drum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to 102 kg.m 539 kg.m 421 kg.m 421 kg.m 102 kg.m 539 kg.m 421 kg.m 421 kg.m ANSWER DOWNLOAD EXAMIANS APP
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