Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated in kg per kg of fuel burnt is called Boiler efficiency None of these Evaporative capacity of a boiler Equivalent evaporation from and at 100° C Boiler efficiency None of these Evaporative capacity of a boiler Equivalent evaporation from and at 100° C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A condenser where circulating water flows through tubes which are surrounded by steam, in known as Surface condenser Evaporative condenser Jet condenser Barometric condenser Surface condenser Evaporative condenser Jet condenser Barometric condenser ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value 1 + moisture content 1 – moisture content (1 + moisture content) (1- moisture content) 1 + moisture content 1 – moisture content (1 + moisture content) (1- moisture content) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine, steam expands None of these Wholly in blades Partly in the nozzle and partly in blades Wholly in nozzle None of these Wholly in blades Partly in the nozzle and partly in blades Wholly in nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Less than wet bulb temperature of flue gases Above dew point temperature of flue gases 100°C Below dew point temperature of flue gases Less than wet bulb temperature of flue gases Above dew point temperature of flue gases 100°C Below dew point temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal equilibrium means that the flow of steam is Polytropic Hyperbolic Isothermal Isentropic Polytropic Hyperbolic Isothermal Isentropic ANSWER DOWNLOAD EXAMIANS APP