Steam Boilers, Engines, Nozzles and Turbines Rateau turbine is Velocity compounded turbine Pressure-velocity compounded turbine Pressure compounded turbine Simple reaction turbine Velocity compounded turbine Pressure-velocity compounded turbine Pressure compounded turbine Simple reaction turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Dead weight safety valve Lever safety valve High steam and low water safety valve Spring loaded safety valve Dead weight safety valve Lever safety valve High steam and low water safety valve Spring loaded safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Over fire burning is the phenomenon of Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess coal Fuel bed firing Supply of excess, air Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess coal Fuel bed firing Supply of excess, air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Resist intense heat in fire box Withstand pressure inside boiler Give maximum space Give maximum strength Resist intense heat in fire box Withstand pressure inside boiler Give maximum space Give maximum strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential Correct fuel air ratio All the three above Proper ignition temperature O₂ to support combustion Correct fuel air ratio All the three above Proper ignition temperature O₂ to support combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In regenerative air preheaters, the heat is transferred By direct mixing From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another By direct mixing From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another ANSWER DOWNLOAD EXAMIANS APP
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