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 Supply of excess coal Supply of excess, air Fuel bed firing Burning CO and unburnt in upper zone of furnace by supplying more air Supply of excess coal Supply of excess, air Fuel bed firing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Pressure gauge Water level indicator Safety valve Fusible plug Pressure gauge Water level indicator Safety valve Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Reduce the effective heat drop Maintain the speed of the turbine Completely balance against end thrust Reheat the steam and improve its quality Reduce the effective heat drop Maintain the speed of the turbine Completely balance against end thrust Reheat the steam and improve its quality ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Reduces its volume Lowers the boiling point of a liquid Raises the boiling point of a liquid Does not affects the boiling point of a liquid Reduces its volume Lowers the boiling point of a liquid Raises the boiling point of a liquid Does not affects the boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of Cornish boiler varies from 1 to 2 m 0.5 to 1 m 2 to 3 m 1.25 to 2.5 m 1 to 2 m 0.5 to 1 m 2 to 3 m 1.25 to 2.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 1.05 6.65 10.05 2.86 1.05 6.65 10.05 2.86 ANSWER DOWNLOAD EXAMIANS APP
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