Fuels and Combustion Removal of hydrogen from coke oven gas Decreases its calorific value Increases its calorific value Does not alter its calorific value Is not possible on commerical scale Decreases its calorific value Increases its calorific value Does not alter its calorific value Is not possible on commerical scale ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Iron silicate Iron sulphate All of these Lime and magnesia Iron silicate Iron sulphate All of these Lime and magnesia ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Coalification Variation of coal quality with depth Origin of petroleum oil Origin of coal Coalification Variation of coal quality with depth Origin of petroleum oil Origin of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Non-caking coal Caking coal Pulverised coal Coking coal Non-caking coal Caking coal Pulverised coal Coking coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it Permits the use of low fusion point ash coal Permits the use of high ash content coal Accelerates the burning rate and economises on fuel combustion All of these Permits the use of low fusion point ash coal Permits the use of high ash content coal Accelerates the burning rate and economises on fuel combustion All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = 2A M = A M = 1.5A M = 1.1A M = 2A M = A M = 1.5A M = 1.1A ANSWER DOWNLOAD EXAMIANS APP
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