Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Non-coking or free burning coal High sulphur coal Pulverized coal Coking coal Non-coking or free burning coal High sulphur coal Pulverized coal Coking coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers? Peat None of the listed here Non-coking bituminous coal Brown coal Peat None of the listed here Non-coking bituminous coal Brown coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of the heat liberated in the furnace to the heat actually used in producing steam None of these Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of the heat liberated in the furnace to the heat actually used in producing steam None of these Ratio of heat actually used in producing steam to the heat liberated in the furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. Decreases Increases None of the listed here Remains same Decreases Increases None of the listed here Remains same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water tube boilers Water passes through the tubes which are surrounded by flames and hot gases None of these Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water Water passes through the tubes which are surrounded by flames and hot gases None of these Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine when the degree of reaction is zero, then there is No heat drop in moving blades Maximum heat drop in moving blades Maximum heat drop in fixed blades No heat drop in fixed blades No heat drop in moving blades Maximum heat drop in moving blades Maximum heat drop in fixed blades No heat drop in fixed blades ANSWER DOWNLOAD EXAMIANS APP
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