Petroleum Engineering Question:

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Asphalts are

A. low molecular weight & low boiling point compounds present in petroleum.
B. desirable in catalytic cracking feedstock, because they produce coke.
C. readily oxidisable and form carbonaceous sludge.
D. all (a), (b) & (c).

Petroleum Engineering Interview Question
Petroleum Engineering Interview Question

Answer:

Option C

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Products drawn from the top to bottom of the crude oil distillation column has progressively increasing

A. boiling points
B. molecular weight
C. C/H ratio
D. all (a), (b) and (c)		Smoke point of kerosene is the

A. time after which smoking starts on burning.
B. temperature at which smoking starts.
C. maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp.
D. none of these.