A. Thiophenes
B. Mercaptans
C. Sulphones
D. Pyrroles
Which of the following is not a sulphur compound present in petroleum ? Read More »
Petroleum Refinery Engineering A. Multiple of 3°F
B. Multiple of 5°F
C. 5°C below the temperature at which oil ceases to flow
D. None of these
Pour point of a petrofuel is________________? Read More »
Petroleum Refinery Engineering A. One fourth
B. One third
C. Half
D. One eighth
A. Increases coke formation
B. Increases the rate of reaction
C. Produces high octane number gasoline
D. None of these
Higher pressure in the reforming reactor________________? Read More »
Petroleum Refinery Engineering A. Paraffinic
B. Naphthenic
C. Mixed
D. Aromatic
_____________ base crude oil is also called asphaltic crude? Read More »
Petroleum Refinery Engineering A. Propane
B. Methyl ethyl ketone
C. Doctor’s solution
D. Methanol amine
The most suitable solvent for deasphalting vacuum residue is_____________________? Read More »
Petroleum Refinery Engineering A. Time after which smoking starts on burning
B. Temperature at which smoking starts
C. Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp
D. None of these
Smoke point of kerosene is the_______________? Read More »
Petroleum Refinery Engineering A. Naphtha
B. Kerosene
C. LSHS
D. Furnace oil
Which of the following petroleum products contain minimum sulphur ? Read More »
Petroleum Refinery Engineering A. Sulphur
B. Nitrogen
C. Oxygen
D. None of these
Ethyl mercaptan is a/an ___________________ compound? Read More »
Petroleum Refinery Engineering A. Obviate catalyst poisoning
B. Maintain the reaction temperature
C. Sustain the reactor pressure
D. Hydrogenate the feed stock
