Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Before the economiser Between the economiser and chimney None of these Before the superheater Before the economiser Between the economiser and chimney None of these Before the superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Keep the burner tips cool Aid in proper combustion Because sputtering, possibly extinguishing flame Clean the nozzles Keep the burner tips cool Aid in proper combustion Because sputtering, possibly extinguishing flame Clean the nozzles ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Remain constant May increase or decrease depending upon the method of storage Decreases Increases Remain constant May increase or decrease depending upon the method of storage Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Non-coking or free burning coal Pulverized coal Coking coal High sulphur coal Non-coking or free burning coal Pulverized coal Coking coal High sulphur coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In fire tube boilers The flames and hot gases pass through the tubes which are surrounded by water Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases None of these The flames and hot gases pass through the tubes which are surrounded by water Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Brake thermal efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Brake thermal efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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