Calorific value of coke oven gas is around ______________ Kcal/Nm3?
Calorific value of coke oven gas is around ______________ Kcal/Nm3?
A. 900
B. 4200
C. 7500
D. 2000
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Number of macrocomponents present in coal according to Stopes are
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.
During combustion of gaseous fuels, deficiency of air_________________?
During combustion of gaseous fuels, deficiency of air_________________?A. Lengthens the flame
B. Tends to shorten the flame
C. Does not affect the flame length
D. Increases the flame temperatureInsitu theory and drift theory are related to the____________________?
Insitu theory and drift theory are related to the____________________?A. Origin of petroleum oil
B. Origin of coal
C. Coalification
D. Variation of coal quality with depthAmmonia content in raw coke oven gas is about __________ gm/Nm3.
Question: Ammonia content in raw coke oven gas is about __________ gm/Nm3.
[A].1 [B].
15 [C].
50 [D].
100 Answer: Option B
Explanation:
No answer description available for this question.
Anthracite can be used for
Question: Anthracite can be used for
[A].recarbonising steel. [B].
making carbon electrodes; [C].
blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke. [D].
all (a), (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
Efficiency of the combustion of a fuel is judged by the ______________ the flue gas?
Efficiency of the combustion of a fuel is judged by the ______________ the flue gas?A. % of CO2 in
B. % of O2in
C. Temperature of
D. Colour of