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