A. CO content
B. Dew point
C. CO2 content
D. O2 content
Related Mcqs:
- Incomplete combustion of a fuel is characterised by the high _______________ in the flue gas?
A. Smoke
B. Temperature
C. Oxygen
D. Carbon monoxide - Efficiency of the combustion of a fuel is judged by the ______________ the flue gas?
A. % of CO2 in
B. % of O2in
C. Temperature of
D. Colour of - When incomplete combustion loss is high, the flue gas analysis shows large amount of ________________?
A. CO2
B. CO
C. O2
D. C - High sulphur content in a fuel ______________ of the flue gases?
A. Decreases the dew point
B. Increases the dew point
C. Reduces the combustion efficiency by limiting the permissible temperature reduction
D. Both B. and C. - Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain __________________?
A. CO
B. CO2
C. H2O
D. Both B. & C. - White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is_________________?
A. Tar
B. Coke oven gas
C. Pitch
D. Pulverised coke - White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is_______?
A. Tar
B. Sulphide Coke
C. Coke Oven Gas
D. Pulverised cokeSubmitted by: Muhammad Mutsadiq Umer
- Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300°) may be reduced by about ______________ percent as compared to the use of atmospheric combustion air?
A. 5
B. 10
C. 20
D. 35 - Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm3 gas ?
A. Blast furnace gas
B. Natural gas
C. Producer gas
D. Water gas - Use of preheated air for combustion of fuel in the furnace, increases the___________________?
A. Scale losses of the furnace stock
B. Calorific value of the fuel
C. Flame temperature
D. None of these
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