Chemical Engineering - Petroleum Refinery Engineering

16. 

Flash point of diesel/kerosene (>50°C) is determined by the

A. Abel apparatus
B. Pensky-Martens apparatus
C. Saybolt chromometer
D. none of these

Answer: Option B

Explanation:

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17. 

Visbreaking

A. uses natural gas as feed.
B. is carried out at atmospheric pressure.
C. produces fuel oil of lower viscosity.
D. produces gasoline only.

Answer: Option C

Explanation:

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18. 

Cetane number of alpha methyl naphthalene is assumed to be

A. 0
B. 100
C. 50
D.

Answer: Option A

Explanation:

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19. 

Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with

A. methyl alcohol
B. ethyl alcohol
C. methane
D. ethane

Answer: Option A

Explanation:

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20. 

LPG when brought to atmospheric pressure & temperature will be a

A. liquid lighter than water.
B. liquid heavier than water.
C. gas lighter than air.
D. gas heavier than air.

Answer: Option D

Explanation:

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