Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 302 kW 296 kW 260 kW 282 kW 302 kW 296 kW 260 kW 282 kW ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Lower calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant pressure Higher calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power) 1/(I.P)² I.P. 1/(I.P) (I.P.)² 1/(I.P)² I.P. 1/(I.P) (I.P.)² 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 = V cos α Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as By-pass governing None of these Cut-off governing Throttle governing By-pass governing None of these Cut-off governing Throttle governing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the Moisture present in the fuel All of these Complete account of heat supplied by 1 kg of dry fuel and the heat consumed Steam formed by combustion of hydrogen per kg of fuel Moisture present in the fuel All of these Complete account of heat supplied by 1 kg of dry fuel and the heat consumed Steam formed by combustion of hydrogen per kg of fuel ANSWER DOWNLOAD EXAMIANS APP
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