Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost All of these In moisture present in the fuel To dry flue gases To steam formed by combustion of hydrogen per kg of fuel All of these In moisture present in the fuel To dry flue gases To steam formed by combustion of hydrogen per kg of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The power of a boiler may be defined as The evaporation of 15.653 kg of water per hour from and at 100° C The amount of water evaporated from and at 100° C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace The evaporation of 15.653 kg of water per hour from and at 100° C The amount of water evaporated from and at 100° C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K) 176.5H/T1 T1 /88.25H 88.25H/T1 T1 /176.5H 176.5H/T1 T1 /88.25H 88.25H/T1 T1 /176.5H ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 17 kg/cm² 1 kg/cm 6 kg/cm 100 kg/cm² 17 kg/cm² 1 kg/cm 6 kg/cm 100 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught in locomotive boilers is produced by a None of these Centrifugal fan Steam jet Chimney None of these Centrifugal fan Steam jet Chimney ANSWER DOWNLOAD EXAMIANS APP
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