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The pressure applied in vapour phase cracking is __________

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The pressure applied in vapour phase cracking is __________

(a) 10-20kg/cm^2

(b) 100kg/cm^2

(c) 50kg/cm^2

(d) 80kg/cm^2

This question was addressed to me in an interview for internship.

Question is taken from Cracking and Knocking of Petroleum topic in section Fuel Technologies of Applied Chemistry

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Correct option is (a) 10-20kg/cm^2

The best explanation: The pressure applied in the vapour phase cracking is very small about 10-20kg/cm^2.The oils will be very easily vaporized.

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