In SO3 absorber (Contact Process), packing material used is of

Question: Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm3.
[A].

4000

[B].

2500

[C].

6500

[D].

10000

Answer: Option C

Explanation:

No answer description available for this question.

Question: Number of macrocomponents present in coal according to Stopes are
[A].

four

[B].

five

[C].

six

[D].

two

Answer: Option A

Explanation:

No answer description available for this question.

Question: Froth floatation is used for
[A].

washing fine coal dust (< 0.5 mm size).

[B].

washing lump coal (> 80 mm size).

[C].

removing ash from the coal based on difference in specific gravity of coal and ash.

[D].

all (a), (b)and(c).

Answer: Option A

Explanation:

No answer description available for this question.