Chemical Engineering - Fuels and Combustion

36. 

With increase in calorific value of fuels, their adiabatic flame temperatures

A. increase
B. decrease
C. remain unchanged
D. may increase or decrease ; depends on the quantity of products of combustion

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

37. 

Coal tar fuel - 200 (CTF 200) is a mixture of

A. pitch and creosote oil.
B. light oil and pitch.
C. anthracene and crecosote oil.
D. solar oil and pitch.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

38. 

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. Let us discuss.

39. 

High pressure coal gasification is employed in __________ process.

A. Lurgi
B. Kopper-Totzek
C. Winkler
D. none of these

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

40. 

Flue gas from the heating chamber of byproduct coke ovens is removed by

A. forced draft fan
B. induced draft fan
C. steam ejector
D. natural draft

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.