Fuels and Combustion-Data Intensity 2 Multiple Questions and Answers.




1.A coal having high volatile matter content will __?
A. Give less yield of tar and gas on carbonisation
B. Burn with a small non-smoky flame
C. Have a very high calorific value
D. None of these

2.Mott and Wheeler test is conducted on coke to find its ___?
A. Reactivity with O2
B. Abradability
C. Phosphorus content
D. Volatile matter content

3.Coal is pulverised before burning in large capacity boiler furnaces mainly to_?
A. Ensure its complete combustion
B. Facilitate easy ash removal
C. Enhance its calorific value
D. Provide trouble free operation

4.Laboratory gas is obtained by the cracking of___?
A. Gasoline
B. Diesel
C. Fuel oil
D. Kerosene

5.�Wind loss� resulting from unscientific storage of coal may be the order of about ____ percent?
A. 2.5
B. 7.5
C. 10.5
D. 14.5

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