__________ is used as jet engine fuel ?
__________ is used as jet engine fuel ?
A. Petrol
B. Diesel
C. Kerosene
D. LPG
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Laboratory gas is obtained by the cracking of
Question: Laboratory gas is obtained by the cracking of
[A].gasoline [B].
diesel [C].
fuel oil [D].
kerosene Answer: Option D
Explanation:
No answer description available for this question.
Dry air required to burn 1 kg of carbon completely may be around __________ kg.
Question: Dry air required to burn 1 kg of carbon completely may be around __________ kg.
[A].11 [B].
2 [C].
20 [D].
38 Answer: Option A
Explanation:
No answer description available for this question.
Sulphur in metallurgical coal__________________?
Sulphur in metallurgical coal__________________?A. Contributes to its heating value
B. Affects the quality of steel produced as cracks develop on the surface while rolling the steel
C. Both A. and B.
D. Neither A. nor B.‘Mixed gas’ used in steel plants is a mixture of___________________?
‘Mixed gas’ used in steel plants is a mixture of___________________?A. B.F. gas and coke oven gas
B. Coke oven gas and converter gas
C. Coke oven gas and L.P.G
D. Blast furnace gas and naphtha vaporMain constituents of benzol are
Question: Main constituents of benzol are
[A].benzene, toluene & xylene. [B].
tar & creosote. [C].
ammonia & phenol. [D].
anthracene & phenol. Answer: Option A
Explanation:
No answer description available for this question.
Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature ?
Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature ?A. Calorific value of the fuel
B. Flame temperature achieved
C. Speed of combustion of fuel
D. Heat transfer rate to the stock in the furnace