A. Sulphur
B. Nitrogen
C. Oxygen
D. None of these
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Related Mcqs:
- Naphthenic acid is a/an ______________ compound?
- A. Sulphur B. Nitrogen C. Oxygen D. None of these...
- Which is an anticing compound ?
- A. Amyl nitrate B. Alcohols C. Mercaptans D. Pyridine...
- Ethyl mercaptan is a/an ___________________ compound?
- A. Sulphur B. Nitrogen C. Oxygen D. None of these...
- Which of the following is not a sulphur compound present in petroleum ?
- A. Thiophenes B. Mercaptans C. Sulphones D. Pyrroles...
- Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than ________________ mg/kg of kerosene?
- A. 1 B. 20 C. 100 D. 500...
- Crude topping column operates at ________________ pressure?
- A. Atmospheric B. 10 atm C. Vacuum D. 3 atm...
- A typical yield of diesel in straight run distillation of crude oil may be about ________________ percent?
- A. 8 B. 18 C. 28 D. 35...
- Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about ________________ mm Hg absolute?
- A. 1 to 5 B. 30 to 80 C. 250 to 350 D. 450 to 500...
- Sour crude means the ________________ bearing crude?
- A. Asphalt B. Sulphur compounds C. Wax D. Nitrogen compounds...
- Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about ________________ of that of water (i.e. 1 gm/c.c)?
- A. One fourth B. One third C. Half D. One eighth...
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