Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Non-coking or free burning coal Coking coal Pulverized coal High sulphur coal Non-coking or free burning coal Coking coal Pulverized coal High sulphur coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of Cornish boiler is of the order of 12 m 2.53.5 m 23 m 1.52.5 m 12 m 2.53.5 m 23 m 1.52.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The steam is expanded from a high pressure to a condenser pressure in one or more nozzles 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 pressure and temperature of steam remains constant The steam is expanded from a high pressure to a condenser pressure in one or more nozzles 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 pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For small power purposes and high speeds Where low speeds are required For large power purposes For small power purposes and low speeds For small power purposes and high speeds Where low speeds are required For large power purposes For small power purposes and low speeds ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Economize on fuel Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Prevent flat surfaces under pressure from tearing apart Take care of failure in compression Take care of failure in shear Provide support for boiler Prevent flat surfaces under pressure from tearing apart Take care of failure in compression Take care of failure in shear Provide support for boiler ANSWER DOWNLOAD EXAMIANS APP
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