Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal Inherent moisture and surface moisture are different things In some coals moisture may be present up to 40% It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal Inherent moisture and surface moisture are different things In some coals moisture may be present up to 40% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 24.5 mm, 65 mm 65.5 mm, 210 mm 47.5 mm, 130 mm 32.5 mm, 180 mm 24.5 mm, 65 mm 65.5 mm, 210 mm 47.5 mm, 130 mm 32.5 mm, 180 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter and length of locomotive boiler are 2 m, 4 m 1.5 m, 4 m 1 m, 4 m 1.5 m, 6 m 2 m, 4 m 1.5 m, 4 m 1 m, 4 m 1.5 m, 6 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 157 fire tubes and 24 superheated tubes 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes 147 fire tubes and 34 superheated tubes 157 fire tubes and 24 superheated tubes 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes 147 fire tubes and 34 superheated tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Increasing exhaust pressure Decreasing initial steam pressure and temperature Increasing the expansion ratio Decreasing exhausts pressure Increasing exhaust pressure Decreasing initial steam pressure and temperature Increasing the expansion ratio Decreasing exhausts pressure ANSWER DOWNLOAD EXAMIANS APP
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