Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential All the three above O₂ to support combustion Proper ignition temperature Correct fuel air ratio All the three above O₂ to support combustion Proper ignition temperature Correct fuel air ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Non availability of ideal substance Leakage Frictional losses It is not possible to achieve 0°K temperature Non availability of ideal substance Leakage Frictional losses It is not possible to achieve 0°K temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is steam dial? Pulverized coal Non-coking bituminous coal Coking bituminous coal Brown coal Pulverized coal Non-coking bituminous coal Coking bituminous coal Brown coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is Less Same More Could be more or less depending on other factors Less Same More Could be more or less depending on other factors ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) cos²α tan²α cot²α sin²α cos²α tan²α cot²α sin²α 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 /176.5H 88.25H/T1 T1 /88.25H 176.5H/T1 T1 /176.5H 88.25H/T1 T1 /88.25H ANSWER DOWNLOAD EXAMIANS APP
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