Steam Boilers, Engines, Nozzles and Turbines The value of the reheat factor varies from 1.2 to 1.6 1.6 to 2 1.08 to 1.10 1.02 to 1.06 1.2 to 1.6 1.6 to 2 1.08 to 1.10 1.02 to 1.06 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 In locomotives, the draught is produced by Steam jet draught Chimney Induced draft fan Both combined (A) and (B) Steam jet draught Chimney Induced draft fan Both combined (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Desirable Economical Essential Uneconomical Desirable Economical Essential Uneconomical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to All of the listed here Reduce fuel consumption Superheat the steam Increase steam pressure All of the listed here Reduce fuel consumption Superheat the steam Increase steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase flue gas temperature Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Economize on fuel Increase flue gas temperature Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS