Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is To exhaust the gases of combustion from the combustion chamber To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To provide an adequate supply of air for the fuel combustion To exhaust the gases of combustion from the combustion chamber To discharge the gases of combustion to the atmosphere through the chimney All of the listed here To provide an adequate supply of air for the fuel combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Handling and maintenance should be easier Stack gases should not be cooled to the dew point Approach temperature should be as low as possible Heat transfer area should be optimum Handling and maintenance should be easier Stack gases should not be cooled to the dew point Approach temperature should be as low as possible Heat transfer area should be optimum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to Superheat the steam Increase steam pressure Reduce fuel consumption All of the listed here Superheat the steam Increase steam pressure Reduce fuel consumption All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Extinguish fire if water level in the boiler falls below alarming limit Avoid excessive build up of pressure Control steam dome Avoid explosion Extinguish fire if water level in the boiler falls below alarming limit Avoid excessive build up of pressure Control steam dome Avoid explosion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers? Brown coal Non-coking bituminous coal None of the listed here Peat Brown coal Non-coking bituminous coal None of the listed here Peat ANSWER DOWNLOAD EXAMIANS APP
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