Steam Boilers, Engines, Nozzles and Turbines Calorific value of coal is of the order of 200-400 kcal/ kg 2000-4000 kcal/ kg 800-1200 kcal/ kg 5000-8000 kcal/ kg 200-400 kcal/ kg 2000-4000 kcal/ kg 800-1200 kcal/ kg 5000-8000 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Desirable Essential Uneconomical Economical Desirable Essential Uneconomical Economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum steam pressure in a Locomotive boiler is limited to 0.18 MN/m² 18 MN/m² 180 MN/m² 1.8 MN/m² 0.18 MN/m² 18 MN/m² 180 MN/m² 1.8 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 85-90% 78-81% 81-85% 90-95% 85-90% 78-81% 81-85% 90-95% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the inlet pressure of steam is equal to the exit pressure, then Fluid flows through the nozzle There is a pressure drop in the nozzle There is no pressure drop and fluid does not flow through the nozzle Pressure drops and fluid flows through the nozzle Fluid flows through the nozzle There is a pressure drop in the nozzle There is no pressure drop and fluid does not flow through the nozzle Pressure drops and fluid flows through the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine when the degree of reaction is zero, then there is No heat drop in moving blades Maximum heat drop in moving blades No heat drop in fixed blades Maximum heat drop in fixed blades No heat drop in moving blades Maximum heat drop in moving blades No heat drop in fixed blades Maximum heat drop in fixed blades ANSWER DOWNLOAD EXAMIANS APP
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