Menu
Home / Chemical Engineering / Fuels and Combustion :: Section 2

Chemical Engineering :: Fuels and Combustion

Fuels and Combustion - Section 1
Fuels and Combustion - Section 2
Fuels and Combustion - Section 3
Fuels and Combustion - Section 4
Fuels and Combustion - Section 5
Fuels and Combustion - Section 6
Fuels and Combustion - Section 7
Fuels and Combustion - Section 8
Fuels and Combustion - Section 9
Fuels and Combustion - Section 10

  1. Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.

    2. A.
    CO content
    B.
    dew point
    C.
    CO2 content
    D.
    O2 content

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. Which of the following has the highest theoretical flame temperature ?

    3. A.
    Blast furnace gas
    B.
    Hydrogen
    C.
    Acetylene
    D.
    Coke oven gas

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. Ultimate analysis of coal determines its __________ content.

    4. A.
    carbon, hydrogen, nitrogen & sulphur.
    B.
    carbon, ash, sulphur & nitrogen.
    C.
    carbon, sulphur, volatile matter & ash.
    D.
    carbon, volatile matter, ash & moisture.

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. (64-132) rank coal (ASTM) means a coal with 64%

    5. A.
    fixed carbon and having a heating value around 13, 200 BTU/1b.
    B.
    ash and heating value around 13, 200 BTU/1b.
    C.
    fixed carbon and heating value around 132 BTU/1b.
    D.
    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. High sulphur (4-6%) coal in India are found in

    6. A.
    Assam
    B.
    Andhra Pradesh
    C.
    Bengal
    D.
    Madhya Pradesh

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. Which of the following is not a manufactured fuel ?

    7. A.
    Furnace oil
    B.
    Bagasse
    C.
    Semi-coke
    D.
    Kerosene

    View Answer

    Workspace

    Discuss Discuss in Forum

  7. Coke oven gas constitutes mainly of

    8. A.
    H2 & CO
    B.
    H2 & CH4
    C.
    CH4 & CO
    D.
    H2 & CO2

    View Answer

    Workspace

    Discuss Discuss in Forum

  8. Gross heating value of coal is __________ the net heating value.

    9. A.
    higher than
    B.
    lower than
    C.
    same as
    D.
    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum

  9. Which of the following is a rich fuel gas ?

    10. A.
    Producer gas.
    B.
    Coal gas from underground gasification of coal.
    C.
    Refinery gases.
    D.
    None of these.

    View Answer

    Workspace

    Discuss Discuss in Forum

  10. Low temperature carbonisation of coal produces

    11. A.
    metallurgical coke
    B.
    soft coke
    C.
    very low calorific value coke oven gas
    D.
    no by-products

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers