Chemical Engineering - Petroleum Refinery Engineering

41. 

Solution used in Doctor's treatment for the removal of mercaptans is

A. sodium hydroxide
B. sodium plumbite
C. cupric chloride
D. potassium isobutyrate

Answer: Option B

Explanation:

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42. 

Flash point of motor gasoline may be around __________ °C.

A. 10
B. 45
C. 100
D. 150

Answer: Option B

Explanation:

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43. 

__________ converts n-paraffins to i-paraffins.

A. Alkylation
B. Polymerisation
C. Isomerisation
D. none of these

Answer: Option C

Explanation:

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44. 

The colour of gasoline is an indication of its

A. octane number.
B. lead susceptibility.
C. gum forming tendency & thoroughness of refining.
D. none of these.

Answer: Option C

Explanation:

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45. 

The octane number of aviation gasoline may be

A. 79
B. 87
C. 97
D. >100

Answer: Option D

Explanation:

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