Carbon Content by weight in air dried wood may be about _______________ percent?
Carbon Content by weight in air dried wood may be about _______________ percent?
A. 10
B. 25
C. 50
D. 80
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Volumetric ratio of N2 to O2 in dry atmospheric air is ______________?
Volumetric ratio of N2 to O2 in dry atmospheric air is ______________?A. 0.21
B. 3.76
C. 4.76
D. 0.79The main advantage of forced draft over natural draft is that____________________?
The main advantage of forced draft over natural draft is that____________________?A. Combustion of fuel is complete
B. Smaller height chimney can be used
C. Furnace control is easier
D. All A., B. & C.Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has_________________?
Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has_________________?A. Higher calorific value
B. Lower hydrogen content
C. Both A. and B.
D. Neither A. nor B.Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent.
Question: Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent.
[A].15 to 25 [B].
35 to 45 [C].
55 to 75 [D].
75 Answer: Option B
Explanation:
No answer description available for this question.
Percentage of methane in coke oven gas may be around
Question: Percentage of methane in coke oven gas may be around
[A].5 [B].
15 [C].
25 [D].
50 Answer: Option C
Explanation:
No answer description available for this question.
A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having
Question: A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having
[A].higher methane content and thus higher calorific value. [B].
higher carbon monoxide content. [C].
lower carbon dioxide content. [D].
none of these. Answer: Option A
Explanation:
No answer description available for this question.