Steam Boilers, Engines, Nozzles and Turbines The diameter of Cornish boiler is of the order of 12 m 1.52.5 m 2.53.5 m 23 m 12 m 1.52.5 m 2.53.5 m 23 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of 0.8 0.3 0.1 0.5 0.8 0.3 0.1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The natural draught is produced by Chimney Steam jet Centrifugal fan Both (A) and (B) Chimney Steam jet Centrifugal fan Both (A) and (B) 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 Two-fifth One-half One-third Two-fourth Two-fifth One-half One-third Two-fourth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by (h - hf1)/2257 None of these (h × hf1)/2257 (h + hf1)/2257 (h - hf1)/2257 None of these (h × hf1)/2257 (h + hf1)/2257 ANSWER DOWNLOAD EXAMIANS APP
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