Steam Boilers, Engines, Nozzles and Turbines A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as Steam boiler Steam condenser Economiser Steam preheater Steam boiler Steam condenser Economiser Steam preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge is __________ at critical pressure. None of these Maximum Minimum Zero None of these Maximum Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.5 0.4 0.9 0.75 0.5 0.4 0.9 0.75 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from None of these 2.5 to 3.5 m 3.5 to 4.5 m 1.5 to 2 m None of these 2.5 to 3.5 m 3.5 to 4.5 m 1.5 to 2 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of Pulverizing coal in inert atmosphere Binding the pulverized coal into briquettes Heating wood in a limited supply of air at temperatures below 300°C Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere Binding the pulverized coal into briquettes Heating wood in a limited supply of air at temperatures below 300°C Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about effect of sulphur in fuel? It helps in electrostatic precipitation of ash in flue gases It erodes furnace walls It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It has heating value It helps in electrostatic precipitation of ash in flue gases It erodes furnace walls It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It has heating value ANSWER DOWNLOAD EXAMIANS APP
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