Caking index of coal blend used for blast furnace coke making is about_________________?
Caking index of coal blend used for blast furnace coke making is about_________________?
A. 8
B. 12
C. 22
D. 36
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Combustion of pulverised fuel
Question: Combustion of pulverised fuel
[A].requires larger combustion chamber than rich gaseous fuel. [B].
in a metallurgical furnace does not contaminate the product in the furnace by ash from fuel. [C].
suppresses the discharge of fine dust and grit into atmosphere [D].
all (a), (b) and (c) Answer: Option A
Explanation:
No answer description available for this question.
Coke compared to the coal from which it has been made, contains
Question: Coke compared to the coal from which it has been made, contains
[A].less volatile matter. [B].
more carbon. [C].
greater percentage of ash. [D].
all (a), (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
Oxygen required for theoretically complete combustion of 1 Nm3 methane is ______________ Nm3?
Oxygen required for theoretically complete combustion of 1 Nm3 methane is ______________ Nm3?A. 2
B. 4
C. 6
D. 1Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in
Question: Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in
[A].KOH [B].
ammoniacal cuprous chloride [C].
pyrogallol solution [D].
none of these Answer: Option D
Explanation:
No answer description available for this question.
When steam is passed over coal resulting in the endothermic reaction represent by, C + H2O = CO + H2, it is called the _______________ of coal?
When steam is passed over coal resulting in the endothermic reaction represent by, C + H2O = CO + H2, it is called the _______________ of coal?A. Carbonisation
B. Oxidation
C. Coalification
D. GasificationThe sequence of absorption in flue gas analysis by Orsat’s apparatus is respectively_______________________?
The sequence of absorption in flue gas analysis by Orsat’s apparatus is respectively_______________________?A. CO2, O2, CO
B. CO, O2, CO2
C. CO2, CO, O2
D. O2, CO2, CO