Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The mechanical draught _________ with the amount of smoke. None of these Does not effect Increases Decreases None of these Does not effect Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by Vertical straight line Horizontal straight line Straight inclined line Curved line Vertical straight line Horizontal straight line Straight inclined line Curved line ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine, steam expands Wholly in blades None of these Partly in the nozzle and partly in blades Wholly in nozzle Wholly in blades None of these Partly in the nozzle and partly in blades Wholly in nozzle 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 Does not change Decreases None of these Increases Does not change Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is required for a steam condensing plant? Condensate pump Condenser All of these Air extraction pump Condensate pump Condenser All of these Air extraction pump ANSWER DOWNLOAD EXAMIANS APP
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