Steam Boilers, Engines, Nozzles and Turbines Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and Indicated power Pressure of steam Brake power Efficiency Indicated power Pressure of steam Brake power Efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred From a metal wall from one medium to another By direct mixing From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gases from furnace From a metal wall from one medium to another By direct mixing From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gases from furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Reduce exit losses Reduce speed of rotor Improve efficiency All of these Reduce exit losses Reduce speed of rotor Improve efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Higher value Lower/higher depending on steam flow Same value Lower value Higher value Lower/higher depending on steam flow Same value Lower value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler. More Less None of these Equal More Less None of these Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? It increases thermal efficiency Inherent moisture and surface moisture are different things 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% It increases thermal efficiency Inherent moisture and surface moisture are different things 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
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