Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To prepare heat balance sheet for the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, whole frictional loss is assumed to occur between Inlet and outlet Inlet and throat All of these Throat and exit Inlet and outlet Inlet and throat All of these Throat and exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotives, the draught is produced by Induced draft fan Chimney Steam jet draught Both combined (A) and (B) Induced draft fan Chimney Steam jet draught Both combined (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Latent heat of dry steam at atmospheric pressure is equal to 539 kcal/ kg 100 kcal/ kg 539 BTU/ lb 427 kcal/ kg 539 kcal/ kg 100 kcal/ kg 539 BTU/ lb 427 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines While steam expands in turbines, theoretically the entropy Behaves unpredictably Increases Decreases Remains constant Behaves unpredictably Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Equal to the velocity of sound Less than the velocity of sound None of these More than the velocity of sound Equal to the velocity of sound Less than the velocity of sound None of these More than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
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