Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? Some moisture in coal helps in better burning which is not possible with completely dry coal It increases thermal efficiency In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things Some moisture in coal helps in better burning which is not possible with completely dry coal It increases thermal efficiency In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of 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 Lower calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another By direct mixing Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another By direct mixing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at Atmospheric temperature 500-600°C 950-1100°C 700-850°C Atmospheric temperature 500-600°C 950-1100°C 700-850°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boilers, Engines, Nozzles and Turbines Objective Questions and Answers pdf:- 101. The difference between cornish boiler and lancashire boiler is that None of these former contains one fire tube and latter contains two fire tubes former is fire tube type and latter is water tube type boiler former is water tube type and latter is fire tube type None of these former contains one fire tube and latter contains two fire tubes former is fire tube type and latter is water tube type boiler former is water tube type and latter is fire tube type 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) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [2/(n + 1)] n/(n-1) ANSWER DOWNLOAD EXAMIANS APP
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