Steam Boilers, Engines, Nozzles and Turbines The feed check valve is used in order to Recirculate unwanted feed water Regulate flow of boiler water Check level of water in boiler drum Allow high pressure feed water to flow to drum and not allow reverse flow to take place Recirculate unwanted feed water Regulate flow of boiler water Check level of water in boiler drum Allow high pressure feed water to flow to drum and not allow reverse flow to take place ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Pulverized coal High sulphur coal Non-coking or free burning coal Coking coal Pulverized coal High sulphur coal Non-coking or free burning coal Coking coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes in a Lancashire boiler compared to its shell is One-half One-third Two-fifth Two-fourth One-half One-third Two-fifth Two-fourth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of super-saturation is that the Exit velocity of steam reduces All of these Mass of the steam discharged increases Entropy and specific volume of the steam increases Exit velocity of steam reduces All of these Mass of the steam discharged increases Entropy and specific volume of the steam increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost All of these To dry flue gases To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel All of these To dry flue gases To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To prepare heat balance sheet for the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To determine the generating capacity of the boiler To prepare heat balance sheet for the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To determine the generating capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP