Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Higher calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Clean the nozzles Because sputtering, possibly extinguishing flame Aid in proper combustion Keep the burner tips cool Clean the nozzles Because sputtering, possibly extinguishing flame Aid in proper combustion Keep the burner tips cool ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The pressure and temperature of steam remains constant The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 180° 90° 60° 270° 180° 90° 60° 270° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is More efficient and more economical More efficient and less economical Less efficient and more economical Less efficient and less economical More efficient and more economical More efficient and less economical Less efficient and more economical Less efficient and less economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines It is required to produce large amount of steam at low pressure. Which boiler should be used? Pulverized fuel fired boiler Cochran boiler Lancashire boiler Babcock and Wilcox boiler Pulverized fuel fired boiler Cochran boiler Lancashire boiler Babcock and Wilcox boiler ANSWER DOWNLOAD EXAMIANS APP
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