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Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 2
31.
Which of the following is not a 'manufactured' fuel ?
LPG
Coal briquettes
Tar
Colloidal fuels
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Use of excess of combustion air in the combustion of fuels results in
heat losses.
long flame.
condensation of water vapour from the fuel gas.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing ?
Ash disposal problem.
Excessive fly-ash discharge from the stack.
High power consumption in its transportation.
Erosion of induced draft fan blades.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Calorific value of both the solid & liquid fuels can be determined by using __________ calorimeter.
Junker's
Bomb
Boy's
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has
higher calorific value.
lower hydrogen content.
both (a) and (b).
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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