Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by (h - hf1)/2257 (h × hf1)/2257 (h + hf1)/2257 None of these (h - hf1)/2257 (h × hf1)/2257 (h + hf1)/2257 None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum working pressure of 1.7 MN/m² 17 MN/m² 0.17 MN/m² 170 MN/m² 1.7 MN/m² 17 MN/m² 0.17 MN/m² 170 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Parson's reaction turbine is a __________ reaction turbine. 70 percent 60 percent 50 percent 40 percent 70 percent 60 percent 50 percent 40 percent ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the moving blades, Pressure decreases while velocity increases Pressure and velocity both decreases Pressure and velocity both increases Pressure increases while velocity decreases Pressure decreases while velocity increases Pressure and velocity both decreases Pressure and velocity both increases Pressure increases while velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter and length of locomotive boiler are 2 m, 4 m 1.5 m, 6 m 1.5 m, 4 m 1 m, 4 m 2 m, 4 m 1.5 m, 6 m 1.5 m, 4 m 1 m, 4 m ANSWER DOWNLOAD EXAMIANS APP
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