Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Hydrogen Hydrocarbons Oxygen Carbon monoxide Hydrogen Hydrocarbons Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Minimise its corrosion None of these Avoid radiation heat loss Make it look attractive Minimise its corrosion None of these Avoid radiation heat loss Make it look attractive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Natural gas Liquefied petroleum gas (LPG) Coal bed methane (CBM) Sewage gas Natural gas Liquefied petroleum gas (LPG) Coal bed methane (CBM) Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Both B and C Ash content Mineral matter content Caking index Both B and C Ash content Mineral matter content Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Gasification Carbonisation None of these Hydrogenation Gasification Carbonisation None of these Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air Reducing sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
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