Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Vertical fire tube type Forced circulation type Horizontal water tube type Horizontal fire tube type Vertical fire tube type Forced circulation type Horizontal water tube type Horizontal fire tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Sulphur content of fuels is very important to the plant operators because it Has highly corrosive effect Has high heating value Retards electric precipitation Promotes complete combustion Has highly corrosive effect Has high heating value Retards electric precipitation Promotes complete combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine Increases the efficiency of the turbine Reduces wear on the blades All of these Increases the work-done through the turbine Increases the efficiency of the turbine Reduces wear on the blades All of these Increases the work-done through the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things Some moisture in coal helps in better burning which is not possible with completely dry coal It increases thermal efficiency In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things Some moisture in coal helps in better burning which is not possible with completely dry coal It increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 100 kg/cm² 17 kg/cm² 6 kg/cm 1 kg/cm 100 kg/cm² 17 kg/cm² 6 kg/cm 1 kg/cm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from None of these 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m None of these 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m ANSWER DOWNLOAD EXAMIANS APP
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