Chemical Engineering - Petroleum Refinery Engineering

31. 

Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'.

A. 1
B. 5
C. 15
D. 25

Answer: Option B

Explanation:

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32. 

Reid vapour pressure of gasoline is the measure of its

A. pour point
B. cloud point
C. vapour locking tendency
D. carbon residue

Answer: Option C

Explanation:

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33. 

Pick out the correct statement about catalytic polymerisation.

A. H2SO4 polymerisation process gives gasoline rich in unsaturates.
B. In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive.
C. both (a) and (b)
D. neither (a) nor (b)

Answer: Option B

Explanation:

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34. 

High aniline point of diesel indicates that, it

A. is highly aromatic.
B. has a large ignition delay.
C. is highly paraffinic.
D. has a low diesel index.

Answer: Option C

Explanation:

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35. 

Boiling range of motor gasoline is an indication of the

A. case of starting
B. rate of acceleration
C. vapour locking tendency
D. all (a), (b) and (c)

Answer: Option B

Explanation:

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