Which of the following combustibles is absent in blast furnace gas ?
Which of the following combustibles is absent in blast furnace gas ?
A. H2
B. CH4
C. CO
D. None of these
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Most of the coking coals are
Question: Most of the coking coals are
[A].anthracite [B].
bituminous [C].
lignite [D].
none of these Answer: Option B
Explanation:
No answer description available for this question.
Traces of tar fog present in the coke oven gas is removed by_________________?
Traces of tar fog present in the coke oven gas is removed by_________________?A. Cyclone separator
B. Wet packed scrubber
C. Electrostatic precipitator
D. Washing with monoethanolamineWashing of coal decreases its_________________?
Washing of coal decreases its_________________?A. Caking index
B. Mineral matter content
C. Ash content
D. Both B. and C.A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is_________________?
A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is_________________?A. CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60
B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02
C. CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2:72.06
D. CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74Gobar gas constitutes mainly of
Question: Gobar gas constitutes mainly of
[A].CH4 & CO2 [B].
CO & CO2 [C].
CH4 & N2 [D].
CO & N2 Answer: Option A
Explanation:
No answer description available for this question.
Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent.
Question: Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent.
[A].5 [B].
25 [C].
55 [D].
75 Answer: Option B
Explanation:
No answer description available for this question.