IndiaBIX

Chemical Engineering - Fuels and Combustion

Exercise : Fuels and Combustion - Section 1
36.
Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because
the hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot.
it reduces its calorific value tremendously.
it reduces its flame temperature tremendously.
there are chances of explosion during preheating.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Which of the following is the most reactive (as regards the formation of CO + H2 from C + H2O) ?
Blast furnace coke
Low temperature coke
Anthracite coal
Sub-bituminous coal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.
1000
4000
6000
8000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec.
0.5
10
50
500
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Which of the following is used for making the explosive 'TNT' ?
Benzol
Toluene
Pyridine
Cerosote
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers