Steam Boilers, Engines, Nozzles and Turbines The three "Ts" for good combustion are Total air, time, and temperature Thorough mixing, total air and temperature Total air, true fuel, and turbulence Temperature, time, and turbulence Total air, time, and temperature Thorough mixing, total air and temperature Total air, true fuel, and turbulence Temperature, time, and turbulence ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler H.P. is defined as the The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Steam evaporation rate per kg of fuel fired Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Steam evaporation rate per kg of fuel fired Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Reciprocating pump Gear pump Axial flow pump Centrifugal pump Reciprocating pump Gear pump Axial flow pump Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by Separating calorimeter Combined separating and throttling calorimeter Throttling calorimeter Bucket calorimeter Separating calorimeter Combined separating and throttling calorimeter Throttling calorimeter Bucket calorimeter ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Ultimate analysis of fuel is determination of percentage of Higher calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Fixed carbon, ash, volatile matter, moisture Higher calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Fixed carbon, ash, volatile matter, moisture ANSWER DOWNLOAD EXAMIANS APP
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