Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Identical fixed and moving blades Only fixed blades Fixed and moving blades of different shape Only moving blades Identical fixed and moving blades Only fixed blades Fixed and moving blades of different shape Only moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Aid in proper combustion Clean the nozzles Keep the burner tips cool Because sputtering, possibly extinguishing flame Aid in proper combustion Clean the nozzles Keep the burner tips cool Because sputtering, possibly extinguishing flame ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Infinitely long Equal to the height of the hot gas column producing draught Outside temperature is very low Around 200 meters Infinitely long Equal to the height of the hot gas column producing draught Outside temperature is very low Around 200 meters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be 0.63 0.78 0.74 0.56 0.63 0.78 0.74 0.56 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The theoretical indicator diagram of a simple steam engine is based upon the assumption that There is no pressure drop due to condensation The expansion (or compression) of the steam is hyperbolic All of these Steam is admitted at boiler pressure and exhausted at condenser pressure There is no pressure drop due to condensation The expansion (or compression) of the steam is hyperbolic All of these Steam is admitted at boiler pressure and exhausted at condenser pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Steam produced in kg/h All of the listed here Amount of water evaporated per hour Steam produced in kg/kg of fuel burnt Steam produced in kg/h All of the listed here Amount of water evaporated per hour Steam produced in kg/kg of fuel burnt ANSWER DOWNLOAD EXAMIANS APP