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 Fuel bed firing Supply of excess coal Supply of excess, air Burning CO and unburnt in upper zone of furnace by supplying more air Fuel bed firing Supply of excess coal Supply of excess, air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about the function of furnace? To provide proper conditions for continuous complete combustion Separate ash from coal Mix fuel with air and ignite Maintain heat supply to prepare and ignite the incoming fuel To provide proper conditions for continuous complete combustion Separate ash from coal Mix fuel with air and ignite Maintain heat supply to prepare and ignite the incoming fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly 340 kg/h 150 kg/h 280 kg/h 210 kg/h 340 kg/h 150 kg/h 280 kg/h 210 kg/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Remain same Decreases Behaves unpredictably Increases Remain same Decreases Behaves unpredictably Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as 100°C and 1.1 bar pressure 100°C and normal atmospheric pressure 50°C and 1.1 bar pressure 50°C and normal atmospheric pressure 100°C and 1.1 bar pressure 100°C and normal atmospheric pressure 50°C and 1.1 bar pressure 50°C and normal atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Essential Desirable Economical Uneconomical Essential Desirable Economical Uneconomical ANSWER DOWNLOAD EXAMIANS APP