Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Sewage gas Liquefied petroleum gas (LPG) Coal bed methane (CBM) Natural gas Sewage gas Liquefied petroleum gas (LPG) Coal bed methane (CBM) Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For maximum discharge through a chimney, its height should be Infinitely long 200 meters More than 105.7 metres Equal to the height of the hot gas column producing draught Infinitely long 200 meters More than 105.7 metres Equal to the height of the hot gas column producing draught ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Atomising steam to fuel oil ratio in a burner should be around 2.5 1.5 0.5 3.5 2.5 1.5 0.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used for the determination of calorific value of the __________ fuels. Solid Both B and C Gaseous Liquid Solid Both B and C Gaseous Liquid ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Requirement of large volume combustion chamber Chances of clinker formation Incomplete combustion of coal Risk of explosion Requirement of large volume combustion chamber Chances of clinker formation Incomplete combustion of coal Risk of explosion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 8 80 48 18 8 80 48 18 ANSWER DOWNLOAD EXAMIANS APP
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