Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon Initial pressure and volume of steam Area of nozzle at throat Final pressure of steam leaving the nozzle Both (A) and (B) Initial pressure and volume of steam Area of nozzle at throat Final pressure of steam leaving the nozzle Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tubes in Cochran boiler is of the order of 6 cm 2 cm 8 cm 12 cm 6 cm 2 cm 8 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Dead weight safety valve High steam and low water safety valve Spring loaded safety valve Lever safety valve Dead weight safety valve High steam and low water safety valve Spring loaded safety valve Lever safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 90-95% 85-90% 81-85% 78-81% 90-95% 85-90% 81-85% 78-81% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential O₂ to support combustion Correct fuel air ratio All the three above Proper ignition temperature O₂ to support combustion Correct fuel air ratio All the three above Proper ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Lower calorific value Higher calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Higher calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture ANSWER DOWNLOAD EXAMIANS APP
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