Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 90° 180° 270° 60° 90° 180° 270° 60° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fittings mounted on the boiler for its proper and safe functioning is a Water level indicator Safety valve All of these Pressure gauge Water level indicator Safety valve All of these Pressure gauge ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals the pressure of water in the container Equals that of the surroundings Equals to atmospheric pressure Equals 760 mm of mercury Equals the pressure of water in the container Equals that of the surroundings Equals to atmospheric pressure Equals 760 mm of mercury ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Efficiency of the fan Efficiency of the chimney Power of the boiler Efficiency of the boiler Efficiency of the fan Efficiency of the chimney Power of the boiler Efficiency of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant Reduces back pressure of steam Increases expansion ratio of steam Reduces temperature of exhaust steam All of these Reduces back pressure of steam Increases expansion ratio of steam Reduces temperature of exhaust steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Calorific value of coal is of the order of 2000-4000 kcal/ kg 200-400 kcal/ kg 800-1200 kcal/ kg 5000-8000 kcal/ kg 2000-4000 kcal/ kg 200-400 kcal/ kg 800-1200 kcal/ kg 5000-8000 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
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