Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm/K pa = K/pm pa = pm × K pa = pm + K pa = pm/K pa = K/pm pa = pm × K pa = pm + K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam enters the nozzle at a High pressure and a low velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a high velocity High pressure and a low velocity Low pressure and a high velocity Low pressure and a low velocity High pressure and a high velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Former occupies less space for same power Chances of explosion are less in former case Rate of steam flow is more in former case Former is used for high installed capacity Former occupies less space for same power Chances of explosion are less in former case Rate of steam flow is more in former case Former is used for high installed capacity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has More heating surface Less heating surface Heating surface depends on other parameters Equal heating surface More heating surface Less heating surface Heating surface depends on other parameters Equal heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Locomotive boiler has __________ diameter. 4.75 mm 47.5 mm 5.47 mm 7.45 mm 4.75 mm 47.5 mm 5.47 mm 7.45 mm ANSWER DOWNLOAD EXAMIANS APP
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