Which of the following is not a binder for coal briquetting ?
Which of the following is not a binder for coal briquetting ?
A. Coal tar
B. Bitumen
C. Molasses
D. None of these
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The reaction, C + CO2 ↔ 2CO, taking place during coal gasification is called the ______________ reaction?
The reaction, C + CO2 ↔ 2CO, taking place during coal gasification is called the ______________ reaction?A. Neumann reversal
B. Shift conversion
C. Boudouard
D. ReductionFuel consumption in coke making can be reduced by
Question: Fuel consumption in coke making can be reduced by
[A].preheating, blending and de-ashing the coal. [B].
stamped charging of coal. [C].
dry quenching of coke. [D].
all (a), (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.
Question: Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.
[A].entrained [B].
moving [C].
fixed [D].
fluidised Answer: Option A
Explanation:
No answer description available for this question.
A coal with high ash content___________________?
A coal with high ash content___________________?A. Has higher calorific value
B. Is harder and stronger
C. Is not subjected to washing
D. Has low quantity of mineral matterSoft coke is not ___________________?
Soft coke is not ___________________?A. Produced by low temperature carbonisation of coal
B. A domestic fuel
C. Used in blast furnaces
D. None of theseDegree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced.
Question: Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced.
[A].colour [B].
moisture content [C].
ash content [D].
volatile matter Answer: Option D
Explanation:
No answer description available for this question.