Steam Boilers, Engines, Nozzles and Turbines The efficiency of the plant __________ with the mechanical draught. Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tube of Cornish boiler compared to its shell is One third One half One fourth One fifth One third One half One fourth One fifth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? Inherent moisture and surface moisture are different things It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal In some coals moisture may be present up to 40% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Remains the same Decreases Increases Is unpredictable Remains the same Decreases Increases Is unpredictable ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Clearance ratio is the ratio of Volume at cut-off to the swept volume Swept volume to the clearance volume Clearance volume to the swept volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Swept volume to the clearance volume Clearance volume to the swept volume Clearance volume to the volume at cut-off ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A supercritical boiler is one that operates above the pressure and temperature of following values 100 kg/cm² and 540°C 218 kg/cm² abs and 540°C 218 kg/cm² abs and 373°C 1 kg/cm² and 100°C 100 kg/cm² and 540°C 218 kg/cm² abs and 540°C 218 kg/cm² abs and 373°C 1 kg/cm² and 100°C ANSWER DOWNLOAD EXAMIANS APP
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