Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are None of these Internally fired Internally as well as externally fired Externally fired None of these Internally fired Internally as well as externally fired Externally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is To reduce the length of stroke To reduce the temperature range in each cylinder To reduce the ratio of expansion in each cylinder All of these To reduce the length of stroke To reduce the temperature range in each cylinder To reduce the ratio of expansion in each cylinder All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts. and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is 0.8 0.4 0.5 0.25 0.8 0.4 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio (p₂/p₁) is given by (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n + 1)/2] n - (1/n) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of superheated tubes in a locomotive boiler is 230 mm 31 mm 13 mm 130 mm 230 mm 31 mm 13 mm 130 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of a thermal power plant is of the order of 0.15 0.45 0.3 0.2 0.15 0.45 0.3 0.2 ANSWER DOWNLOAD EXAMIANS APP