Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Back draughting Banking None of these Under pressurising Back draughting Banking None of these Under pressurising ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. < 37% >71% In between 37 & 71% None of these < 37% >71% In between 37 & 71% None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Lengthens the flame Causes heat loss of fuel by its partial combustion Shortens the flame Both A & B Lengthens the flame Causes heat loss of fuel by its partial combustion Shortens the flame Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Gasification Reforming Cracking Partial oxidation Gasification Reforming Cracking Partial oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Sewage gas Natural gas Coal bed methane (CBM) Liquefied petroleum gas (LPG) Sewage gas Natural gas Coal bed methane (CBM) Liquefied petroleum gas (LPG) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Remains constant None of these Decreases Increases Remains constant None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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