Steam Boilers, Engines, Nozzles and Turbines In water wall furnace, the heat is transferred to the water walls by Radiation and conduction Conduction Convection Radiation Radiation and conduction Conduction Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Throttling process Isentropic process Isothermal process Free expansion process Throttling process Isentropic process Isothermal process Free expansion process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, whole frictional loss is assumed to occur between Throat and exit Inlet and throat Inlet and outlet All of these Throat and exit Inlet and throat Inlet and outlet All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 160/3 m/s 320/3 m/s 640 m/s 640/3 m/s 160/3 m/s 320/3 m/s 640 m/s 640/3 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Power of the boiler Efficiency of the chimney Efficiency of the fan Efficiency of the boiler Power of the boiler Efficiency of the chimney Efficiency of the fan Efficiency of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler? Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes ANSWER DOWNLOAD EXAMIANS APP