Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 3200 10200 5400 1800 3200 10200 5400 1800 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following, which is the most important parameter for the blast furnace grade coke? CSR & CRI Moisture content Ash content Volatile matter content CSR & CRI Moisture content Ash content Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following can be made into briquettes without the use of a binder? None of these Anthracite coal Lignite Bituminous coal None of these Anthracite coal Lignite Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Basalt Bog iron (i.e., moist ferric hydroxide) Silica gel Diatomaceous earth Basalt Bog iron (i.e., moist ferric hydroxide) Silica gel Diatomaceous earth 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 High sulphur content in a fuel __________ of the flue gases. Increases the dew point Decreases the dew point Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Decreases the dew point Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction ANSWER DOWNLOAD EXAMIANS APP
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