Fuels and Combustion-Data Intensity 3 Multiple Questions and Answers.




6.A gaseous fuel in order to develop luminosity on burning, must contain ____?
A. Carbon monoxide
B. Hydrocarbons
C. Hydrogen
D. Oxygen

7.The cuprous chloride used in orsat apparatus can absorb__?
A. Only CO
B. Both CO and CO2
C. Both CO and O2
D. All CO, CO2, and O2

8.A good metallurgical coke_?
A. Should have high porosity
B. Should be brittle
C. Should have low fusion point of its ash
D. Must contain moderate quantities of ash, moisture, sulphur and volatile matters

9.__ has the widest inflammability limit (explosion limit) of all the gases?
A. Hydrogen
B. Carbon monoxide
C. Acetylene
D. Methane

10.“Micum Index” of a coke is a measure of its_____?
A. Reactivity
B. Porosity
C. Bulk density
D. Hardness & strength

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