Steam Boilers, Engines, Nozzles and Turbines The diameter of cylindrical shell of the Lancashire boiler is of the order of 1 to 1.25 m 2 to 4 m 1.75 to 2.75 m 1 to 1.75 m 1 to 1.25 m 2 to 4 m 1.75 to 2.75 m 1 to 1.75 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Remain same Behaves unpredictably Increases Decreases Remain same Behaves unpredictably Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Improve Worsen May improve/worsen depending on size Remain unaffected Improve Worsen May improve/worsen depending on size Remain unaffected 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 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Essential Uneconomical Desirable Economical Essential Uneconomical Desirable Economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the length of stroke Decreases Does not change Increases None of these Decreases Does not change Increases None of these ANSWER DOWNLOAD EXAMIANS APP
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