Which of the following is not a ‘manufactured’ fuel ?
Which of the following is not a ‘manufactured’ fuel ?
A. LPG
B. Coal briquettes
C. Tar
D. Colloidal fuels
Similar Posts
Ratio of primary air to secondary air increases with increase in the rank of coal, because the__________________?
Ratio of primary air to secondary air increases with increase in the rank of coal, because the__________________?A. High rank coals have higher amount of volatile matter
B. Ratio of fixed carbon to volatile matter increases
C. Oxygen content progressively decreases
D. Calorific value of the coal increasesExplosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent.
Question: Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent.
[A].< 37% [B].
>71% [C].
in between 37 & 71% [D].
none of these Answer: Option C
Explanation:
No answer description available for this question.
For maximum discharge through a chimney, its height should be
Question: For maximum discharge through a chimney, its height should be
[A].200 meters. [B].
infinitely long. [C].
more than 105.7 metres. [D].
equal to the height of the hot gas column producing draught. Answer: Option D
Explanation:
No answer description available for this question.
A coal having higher volatile matter content, has lower
Question: A coal having higher volatile matter content, has lower
[A].smoking tendency on burning. [B].
coke oven gas yield on carbonisation. [C].
chance of catching fire during storage in open space. [D].
ignition temperature. Answer: Option D
Explanation:
No answer description available for this question.
Benzene is used__________________?
Benzene is used__________________?A. As a motor fuel
B. As an explosive
C. For making insecticides (e.g., DDT, BHC etc.), detergent & rubber (SBR)
D. As a perfumeCalorific value of wood gas is about __________ kcal/Nm3.
Question: Calorific value of wood gas is about __________ kcal/Nm3.
[A].1500 [B].
3300 [C].
5400 [D].
8500 Answer: Option B
Explanation:
No answer description available for this question.