Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a convergent nozzle When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit None of these When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit None of these When the cross-section of the nozzle increases continuously from entrance to exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades. More None of these Less Equal More None of these Less Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual power generated in the engine cylinder is called Frictional power None of these Brake power Indicated power Frictional power None of these Brake power Indicated power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel Produce minimum smoke and gases High calorific value Ease in storing High ignition point Produce minimum smoke and gases High calorific value Ease in storing High ignition point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines While steam expands in turbines, theoretically the entropy Remains constant Behaves unpredictably Increases Decreases Remains constant Behaves unpredictably Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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