IndiaBIX

Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 3
21.
In low temperature carbonisation of coal, the
yield of coke oven gas is 290 Nm3 /ton dry coal.
volatile matter in coke is zero.
temperature maintained is 700°C.
yield of tar is about 3% of dry coal.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if
it contains large amount of volatile matter.
it is stored in tall heaps.
smaller fines are stored in large quantity.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Coking time in narrow by-product coke ovens is around __________ hours.
18
48
8
80
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Blast furnace gas is a very poisonous gas because of its predominantly high __________ content.
H2O
CO2
CO
CH4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Which of the following is a lean fuel gas ?
Coke oven gas
LPG
Blast furnace gas
Natural gas
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers