Fuels and Combustion MCQs
Practice free Fuels and Combustion multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 590 questions — no login required.
Question 523easy
Gas yield in the Kopper-Totzek coal gasifier is about __________ Nm³/ton coal (ash = 35%).
Question 524easy
Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm3/ton of dry coal.
Question 525easy
Yield of blast furnace gas is about __________ Nm3/ton of pig iron.
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Question 526easy
The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be
Question 527easy
Dust content in raw blast furnace gas is about __________ gm/Nm3, hence it is cleaned to the dust level of about < 10 mg/Nm3 before use.
Question 528easy
The reaction, C + CO2 ⟷ 2CO, taking place during coal gasification is called the __________ reaction.
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Question 529easy
When incomplete combustion loss is high, the flue gas analysis shows large amount of
Question 530easy
Blast furnace gas is a very poisonous gas because of its predominantly high __________ content.
Question 531easy
Ammonia content in raw coke oven gas is about __________ gm/Nm3.