Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Cavitation of boiler feed pumps Corrosion caused by oxygen pH value of water Heat transfer coefficient Cavitation of boiler feed pumps Corrosion caused by oxygen pH value of water Heat transfer coefficient ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual power supplied by the engine crankshaft is called None of these Indicated power Brake power Frictional power None of these Indicated power Brake power Frictional power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Decrease dryness fraction of steam Increase the entropy Decrease specific volume of steam Increase the heat drop Decrease dryness fraction of steam Increase the entropy Decrease specific volume of steam Increase the heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Coke is produced by Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere Enriching carbon in the coal Heating wood in a limited supply of air at temperatures below 300°C Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Pulverizing coal in inert atmosphere Enriching carbon in the coal Heating wood in a limited supply of air at temperatures below 300°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Latent heat of dry steam at atmospheric pressure is equal to 427 kcal/ kg 539 kcal/ kg 539 BTU/ lb 100 kcal/ kg 427 kcal/ kg 539 kcal/ kg 539 BTU/ lb 100 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
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