Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Higher calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Increasing exhaust pressure Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing the expansion ratio Increasing exhaust pressure Decreasing initial steam pressure and temperature Decreasing exhausts pressure Increasing the expansion ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation is the amount of water evaporated in a boiler from and at 0°C Saturation temperature at given pressure 100°C Room temperature 0°C Saturation temperature at given pressure 100°C Room temperature 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 The fusible plug in small boilers is located Over the combustion chamber In the drum In the fire tubes Above steam dome Over the combustion chamber In the drum In the fire tubes Above steam dome ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Evaporative capacity of boiler is expressed as kg of fuel fired kg of steam produced per kg of fuel fifed kg of steam produced Steam pressure produced kg of fuel fired kg of steam produced per kg of fuel fifed kg of steam produced Steam pressure produced ANSWER DOWNLOAD EXAMIANS APP
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