The calorific value of L.D. converter gas is about ____________ Kcal/Nm3?
The calorific value of L.D. converter gas is about ____________ Kcal/Nm3?
A. 1800
B. 800
C. 4500
D. 10000
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A coal having high volatile matter content will
Question: A coal having high volatile matter content will
[A].give less yield of tar and gas on carbonisation. [B].
burn with a small non-smoky flame. [C].
have a very high calorific value. [D].
none of these. Answer: Option D
Explanation:
No answer description available for this question.
Coke made in narrower by-product coke ovens (as compared to wider ovens) is _____________________?
Coke made in narrower by-product coke ovens (as compared to wider ovens) is _____________________?A. Less reactive
B. Stronger
C. Smaller in size
D. All A., B. & C.White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is_______?
White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is_______?A. Tar
B. Sulphide Coke
C. Coke Oven Gas
D. Pulverised cokeGray-King Assay and Roga Index of coal is a measure of its
Question: Gray-King Assay and Roga Index of coal is a measure of its
[A].abradability. [B].
grindability. [C].
weathering properties. [D].
caking and swelling properties. Answer: Option D
Explanation:
No answer description available for this question.
Assam (India) coals suffers mainly from the disadvantage of high ______________ content?
Assam (India) coals suffers mainly from the disadvantage of high ______________ content?A. Ash
B. Volatile matter
C. Sulphur (4-6%)
D. MoistureCoal is heated in presence of air to a temperature of about _______________ °C, while determining its ash content for proximate analysis?
Coal is heated in presence of air to a temperature of about _______________ °C, while determining its ash content for proximate analysis?A. 500
B. 750
C. 950
D. 1100