Quantity of coke produced from metallurgical coal may be around _____________ percent?
Quantity of coke produced from metallurgical coal may be around _____________ percent?
A. 30
B. 50
C. 75
D. 95
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Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the
Question: Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the
[A].decolourisation of sugar. [B].
solvent recovery from air and gases [C].
absorption of gases and vapor. [D].
electrode manufacture. Answer: Option D
Explanation:
No answer description available for this question.
The calorific value of ‘LPG’ (50% propane + 50% butane) is about __________ kcal/Nm3.
Question: The calorific value of ‘LPG’ (50% propane + 50% butane) is about __________ kcal/Nm3.
[A].5000 [B].
25, 000 [C].
10, 000 [D].
15, 000 Answer: Option B
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 temperatureJunker’s calorimeter is used to determine the calorific value of______________________?
Junker’s calorimeter is used to determine the calorific value of______________________?A. Pulverised coal
B. Gaseous fuels
C. Fuel oil
D. None of theseLow temperature oxidation of coal during storage does not decrease its
Question: Low temperature oxidation of coal during storage does not decrease its
[A].oxygen content [B].
caking power [C].
calorific value [D].
none of these Answer: Option D
Explanation:
No answer description available for this question.
Calorific value of furnace oil is about _______________ Kcal/kg?
Calorific value of furnace oil is about _______________ Kcal/kg?A. 10,000
B. 15,000
C. 5,000
D. 20,000