Chemical Engineering - Petroleum Refinery Engineering

6. 

Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ?

A. Diesel
B. Gasoline
C. Atmospheric gas oil
D. Vacuum gas oil

Answer: Option B

Explanation:

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7. 

For gasoline, the flash point (<50°C) is determined by the

A. Abel apparatus.
B. Pensky-Marten's apparatus.
C. Saybolt chromometer.
D. none of these.

Answer: Option A

Explanation:

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8. 

Flash point of atmospheric distillation residue is determined by __________ apparates.

A. Pensky-Martens (closed cup type).
B. Abel.
C. Cleveland (open cup type)
D. none of these.

Answer: Option C

Explanation:

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9. 

Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about

A. 0.1
B. 1
C. 2.5
D. 3.5

Answer: Option B

Explanation:

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10. 

Pour point and freezing point is equal for

A. petrol
B. diesel
C. water
D. crude petroleum

Answer: Option C

Explanation:

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