Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur in coal results in Corroding air heaters All of these Facilitating ash precipitation Spontaneous combustion during coal storage Corroding air heaters All of these Facilitating ash precipitation Spontaneous combustion during coal storage ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Show little or no fusing action Form lumps or masses of coke Burn freely Burn completely Show little or no fusing action Form lumps or masses of coke Burn freely Burn completely ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Take care of failure in shear Provide support for boiler Take care of failure in compression Prevent flat surfaces under pressure from tearing apart Take care of failure in shear Provide support for boiler Take care of failure in compression Prevent flat surfaces under pressure from tearing apart ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 32.5 mm, 180 mm 47.5 mm, 130 mm 24.5 mm, 65 mm 65.5 mm, 210 mm 32.5 mm, 180 mm 47.5 mm, 130 mm 24.5 mm, 65 mm 65.5 mm, 210 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Forced circulation type Horizontal fire tube type Vertical fire tube type Horizontal water tube type Forced circulation type Horizontal fire tube type Vertical fire tube type Horizontal water tube type ANSWER DOWNLOAD EXAMIANS APP
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