Petroleum Engineering Question:

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Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as

A. α-methyl naphthalene.
B. 2-2-4 tri methyl pentane.
C. 1, 3 butadiene.
D. tetra methyl ethylene.

Petroleum Engineering Interview Question
Petroleum Engineering Interview Question

Answer:

Option B

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Higher vapour pressure of gasoline indicates

A. low flash point
B. high breathing loss
C. both (a) and (b)
D. neither (a) nor (b)		Pour point of a petrofuel is

A. multiple of 3°F.
B. multiple of 5°F.
C. 5°C below the temperature at which oil ceases to flow.
D. none of these.