Steam Boilers, Engines, Nozzles and Turbines The natural draught is produced by Chimney Both (A) and (B) Steam jet Centrifugal fan Chimney Both (A) and (B) Steam jet Centrifugal fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 65.5 mm, 210 mm 47.5 mm, 130 mm 24.5 mm, 65 mm 32.5 mm, 180 mm 65.5 mm, 210 mm 47.5 mm, 130 mm 24.5 mm, 65 mm 32.5 mm, 180 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Avoid explosion Control steam dome Avoid excessive build up of pressure Extinguish fire if water level in the boiler falls below alarming limit Avoid explosion Control steam dome Avoid excessive build up of pressure Extinguish fire if water level in the boiler falls below alarming limit 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 Throttle governing None of these By-pass governing Cut-off governing Throttle governing None of these By-pass governing Cut-off governing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The selection of type and size of a steam boiler depends upon All of these The fuel and water available The power required and working pressure The geographical position of the power house All of these The fuel and water available The power required and working pressure The geographical position of the power house ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be 0.56 0.78 0.63 0.74 0.56 0.78 0.63 0.74 ANSWER DOWNLOAD EXAMIANS APP
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