The calorific value of producer gas is around _____________ kcal/Nm3?
The calorific value of producer gas is around _____________ kcal/Nm3?
A. 1300
B. 500
C. 4500
D. 9000
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Caking index of the coal blend used for the manufacture of metallurgical coke should be around
Question: Caking index of the coal blend used for the manufacture of metallurgical coke should be around
[A].5 [B].
21 [C].
40 [D].
48 Answer: Option B
Explanation:
No answer description available for this question.
Out of the following fuels, the difference between gross and net calorific value will be minimum in case of
Question: Out of the following fuels, the difference between gross and net calorific value will be minimum in case of
[A].coke oven gas [B].
water gas [C].
natural gas [D].
blast furnace gas Answer: Option D
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Artificial draught produced by a fan can be controlled by the
Question: Artificial draught produced by a fan can be controlled by the
[A].speed of the fan. [B].
damper. [C].
variation in the pitch of the fan blades. [D].
all (a), (b)and(c). Answer: Option D
Explanation:
No answer description available for this question.
Low temperature oxidation of stored coal results in the________________?
Low temperature oxidation of stored coal results in the________________?A. Decrease in its caking power & calorific value
B. Decrease in its carbon & hydrogen content
C. Increase in its oxygen content
D. All A., B. and A.The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be
Question: The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be
[A].27.6 [B].
23 [C].
47.3 [D].
42.9 Answer: Option B
Explanation:
No answer description available for this question.
The advantage of firing pulverised coal in the furnace lies in the fact, that it
Question: The advantage of firing pulverised coal in the furnace lies in the fact, that it
[A].permits the use of high ash content coal. [B].
permits the use of low fusion point ash coal. [C].
accelerates the burning rate and economises on fuel combustion. [D].
all (a), (b) and (c). Answer: Option C
Explanation:
No answer description available for this question.