Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Volume of the combustion chamber Maximum heat input rate only Minimum heat input rate only Range of fuel firing rates Volume of the combustion chamber Maximum heat input rate only Minimum heat input rate only Range of fuel firing rates ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air All of these Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which one shows the diagramatic heat balance in a furnace? None of these Cox chart Ostwald chart Sankey diagram None of these Cox chart Ostwald chart Sankey diagram ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Same Either more or less; depends on the flue gas density Answer: Option B Less More Same Either more or less; depends on the flue gas density Answer: Option B Less More ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the Difference in density between hot and cold gases Change in volume during a change of temperature All of these Furnace pressure in conjunction with draft in flues Difference in density between hot and cold gases Change in volume during a change of temperature All of these Furnace pressure in conjunction with draft in flues ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of CO₂ in flue gas More of CO in flue gas Less of excess air More of excess air More of CO₂ in flue gas More of CO in flue gas Less of excess air More of excess air ANSWER DOWNLOAD EXAMIANS APP