Use of pulverised coal in boiler furnace provides___________________?

Question: __________ prohibits the use of alcohols directly in petrol engines.
[A].

Low octane number

[B].

High cost & availability

[C].

Low flash point

[D].

Low calorific value

Answer: Option B

Explanation:

No answer description available for this question.

Question: Oxygen percentage (by weight) in atmospheric air is
[A].

19

[B].

21

[C].

23

[D].

29

Answer: Option C

Explanation:

No answer description available for this question.

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.

Question: Gross and net calorific value of a fuel will be the same
[A].

if its ash content is zero.

[B].

ifits carbon content is very low.

[C].

if its hydrogen/hydrogen compound content is zero.

[D].

under no circumstances.

Answer: Option C

Explanation:

No answer description available for this question.