Coking coals are invariably____________________?
Coking coals are invariably____________________?
A. Lignites
B. Bituminous coals
C. Semi-anthracites
D. Anthracites
A. Lignites
B. Bituminous coals
C. Semi-anthracites
D. Anthracites
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
A. % of CO2 in
B. % of O2in
C. Temperature of
D. Colour of
A. Low
B. High
C. Very high, if the fuel is of low calorific value
D. None of these
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A. Facilitate easy discharging of coke as it swells during carbonisation
B. Facilitate uniform heating of the oven
C. Increase the output of the coke
D. None of these