Which of the following has the highest calorific value ?
Which of the following has the highest calorific value ?
A. Lignite
B. Sub-bituminous coal
C. Anthracite
D. Peat
Similar Posts
Coking time in a commercial high temperature coal carbonisation plant is about ______________ hours?
Coking time in a commercial high temperature coal carbonisation plant is about ______________ hours?A. 6
B. 18
C. 28
D. 36Coke oven gas is stripped of its H2S and mercaptans content by
Question: 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 gel. Answer: Option B
Explanation:
No answer description available for this question.
Higher percentage of ash in coal meant for the production of metallurgical grade coke ___________________?
Higher percentage of ash in coal meant for the production of metallurgical grade coke ___________________?A. Decreases the hardness of coke
B. Decreases the abrasion resistance of coke
C. Causes brittleness in steel
D. None of theseWith increase in moisture content of coal, its
Question: With increase in moisture content of coal, its
[A].calorific value increases. [B].
caking properties diminish. [C].
swelling during carbonisation becomes excessive. [D].
none of these. Answer: Option B
Explanation:
No answer description available for this question.
With increase in calorific value of fuels, their adiabatic flame temperatures__________________?
With increase in calorific value of fuels, their adiabatic flame temperatures__________________?A. Increase
B. Decrease
C. Remain unchanged
D. May increase or decrease; depends on the quantity of products of combustionCatalyst used in Fischer-Tropsch process is
Question: Catalyst used in Fischer-Tropsch process is
[A].nickel [B].
zinc oxide [C].
alumina [D].
thorium oxide Answer: Option A
Explanation:
No answer description available for this question.