Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases steam pressure Increases steam pressure Decreases fuel consumption Increases steam flow Decreases steam pressure Increases steam pressure Decreases fuel consumption Increases steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid excessive build up of pressure Avoid explosion Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid excessive build up of pressure Avoid explosion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 40 to 60% 10 to 15% 15 to 25% 25 to 40% 40 to 60% 10 to 15% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is of the following type Horizontal Multi tubular All of the listed here Internally fired Horizontal Multi tubular All of the listed here Internally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air present in atmosphere at NTP conditions Air required for complete combustion of fuel with no excess air Air required to convert CO into CO₂ Air required for optimum combustion so as to have reasonable excess air Air present in atmosphere at NTP conditions Air required for complete combustion of fuel with no excess air Air required to convert CO into CO₂ Air required for optimum combustion so as to have reasonable excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Orsat meter is used for Measuring smoke density of flue gases Volumetric analysis of the flue gases Gravimetric analysis of the flue gases Mass flow of the flue gases Measuring smoke density of flue gases Volumetric analysis of the flue gases Gravimetric analysis of the flue gases Mass flow of the flue gases ANSWER DOWNLOAD EXAMIANS APP
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