Chemical Engineering - Petroleum Refinery Engineering - Discussion

Discussion Forum : Petroleum Refinery Engineering - Section 5 (Q.No. 13)

Petroleum Refinery Engineering

13.

A fuel oil consists of 4 fractions A, B, C and D. Their molar compositions and vapour pressures are given below :

The vapour pressure of the fuel oil will be __________ mm Hg.

736

727.5

512

767.8

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

5 comments Page 1 of 1.

Ahmed Zakareya said: 1 decade ago

Total vapor pressure of fuel oil = (0.1x700) + (.2x720) + (.3x740) + (.4x750) = 736.

Please provide me if there is another solution?

(1)

Prateek sahu said: 5 years ago

Total vapour pressure=partial pressure * mole fractionÃ·100.
So,
0.10*700 + 0.20*720 + 0.30*740 + 0.40*750 = 736.

(5)

Rahul said: 3 years ago

@Prateek Sahu.

Thanks a lot for explaining.

Mohan lalam said: 3 years ago

Thanks @Ahmed Zakareya.

Momu said: 3 years ago

Thanks for explaining.

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