Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred By direct mixing From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material By direct mixing From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines One kilowatt-hour energy is equivalent to 1000 J 3600 kW/sec 3600 kJ 360 kJ 1000 J 3600 kW/sec 3600 kJ 360 kJ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Lower calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Fixed carbon, ash, volatile matter, moisture Lower calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Fixed carbon, ash, volatile matter, moisture ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always Equal to unity None of these Less than unity Greater than unity Equal to unity None of these Less than unity Greater than unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The balanced draft furnace is one using Induced draft fan and forced draft fan Forced draft fan and chimney Any one of the above Induced draft fan and chimney Induced draft fan and forced draft fan Forced draft fan and chimney Any one of the above Induced draft fan and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these To measure pressure of steam inside the steam boiler To indicate the water level inside the boiler to an observer To blow off steam when the pressure of steam inside the boiler exceeds the working pressure None of these To measure pressure of steam inside the steam boiler To indicate the water level inside the boiler to an observer ANSWER DOWNLOAD EXAMIANS APP
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