Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to pa - ps pa + ps None of these ps - pa pa - ps pa + ps None of these ps - pa ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Woolf type compound engine, the high pressure and low pressure cylinders Have common piston rod Have separate piston rod Are set in V arrangement Are set at 90° Have common piston rod Have separate piston rod Are set in V arrangement Are set at 90° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is High Very low Low Very high High Very low Low Very high ANSWER DOWNLOAD EXAMIANS APP
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 Calorific value of coal is of the order of 200-400 kcal/ kg 5000-8000 kcal/ kg 2000-4000 kcal/ kg 800-1200 kcal/ kg 200-400 kcal/ kg 5000-8000 kcal/ kg 2000-4000 kcal/ kg 800-1200 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines It is required to produce large amount of steam at low pressure. Which boiler should be used? Cochran boiler Lancashire boiler Babcock and Wilcox boiler Pulverized fuel fired boiler Cochran boiler Lancashire boiler Babcock and Wilcox boiler Pulverized fuel fired boiler ANSWER DOWNLOAD EXAMIANS APP
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