Largest constituent of blast furnace gas is__________________?
Largest constituent of blast furnace gas is__________________?
A. N2
B. CO
C. CO2
D. H2
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Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal ?
Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal ?A. Vitrain
B. Clarain
C. Durain
D. FussainOxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent.
Question: Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent.
[A].4 [B].
96 [C].
20 [D].
40 Answer: Option C
Explanation:
No answer description available for this question.
Calorific value of bituminous coal may be around ______________ Kcal/kg?
Calorific value of bituminous coal may be around ______________ Kcal/kg?A. 500
B. 1500
C. 6500
D. 20000Which of the following is not used as a binder in coal briquetting ?
Which of the following is not used as a binder in coal briquetting ?A. Tar
B. Molasses
C. Pitch
D. Line__________ is used as jet engine fuel ?
__________ is used as jet engine fuel ?A. Petrol
B. Diesel
C. Kerosene
D. LPGPensky-Marten apparatus is used for those oils, whose flash points are __________ °F.
Question: Pensky-Marten apparatus is used for those oils, whose flash points are __________ °F.
[A].<120 [B].
>120 [C].
<90 [D].
90-110 Answer: Option B
Explanation:
No answer description available for this question.