Coking time in beehive coke oven is about ___________________?
Coking time in beehive coke oven is about ___________________?
A. 12 hours
B. 2-3 days
C. One week
D. Two weeks
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Washing of coal is done to reduce the_________________?
Washing of coal is done to reduce the_________________?A. Inherent impurities
B. Adhering impurities
C. Mineral matter
D. Both B. and C.A good metallurgical coke should have very low
Question: A good metallurgical coke should have very low
[A].sulphur & phosphorous content [B].
porosity [C].
fusion point of its ash [D].
hardness & strength Answer: Option A
Explanation:
No answer description available for this question.
Coke oven gas is stripped of its H2S and mercaptans content by_________________?
Coke oven gas is stripped of its H2S and mercaptans content by_________________?A. Absorption in wash oil
B. Adsorption on bog iron bed
C. Bubbling it through dilute sulphuric acid
D. Adsorption on silica gelOut of the following, which is the most important parameter for the blast furnace grade coke ?
Out of the following, which is the most important parameter for the blast furnace grade coke ?A. CSR & CRI
B. Ash content
C. Moisture content
D. Volatile matter contentWhich of the following is the most reactive (as regards the formation of CO + H2 from C + H2O) ?
Which of the following is the most reactive (as regards the formation of CO + H2 from C + H2O) ?A. Blast furnace coke
B. Low temperature coke
C. Anthracite coal
D. Sub-bituminous coalA coal that softens and fuses on heating is
Question: A coal that softens and fuses on heating is
[A].classified [B].
carbonised [C].
caking [D].
non-caking Answer: Option C
Explanation:
No answer description available for this question.