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 The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as Power of a boiler Equivalent evaporation Boiler efficiency Factor of evaporation Power of a boiler Equivalent evaporation Boiler efficiency Factor of evaporation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is More Less Equal May be less or more depending on temperature More Less Equal May be less or more depending on temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The working pressure range for a LaMont boiler is 2.5 to 15 MN/m² 3.5 to 20 MN/m² 1 to 15 MN/m² 0.5 to 10 MN/m² 2.5 to 15 MN/m² 3.5 to 20 MN/m² 1 to 15 MN/m² 0.5 to 10 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse reaction turbine, the pressure drops gradually and continuously over Both fixed and moving blades Moving blades Fixed blades None of these Both fixed and moving blades Moving blades Fixed blades None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Horizontal fire tube type Horizontal water tube type Vertical fire tube type Forced circulation type Horizontal fire tube type Horizontal water tube type Vertical fire tube type Forced circulation type ANSWER DOWNLOAD EXAMIANS APP