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Chemical Engineering - Petroleum Refinery Engineering

Exercise : Petroleum Refinery Engineering - Section 3
36.
LSHS is a type of furnace oil, which
is more viscous than high viscosity furnace oil (HVFO).
stands for low sulphur heavy stock.
is an ideal fuel for metallurgical furnaces due to its lower sulphur content (< 1%).
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Hydrofining is the most recent and effective method for the
removal of sulphur.
improvement of smoke point.
reduction of breathing loss.
improvement of viscosity index.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Isomerisation converts the __________ tot-paraffins.
paraffins
olefins
naphthenes
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Straight run petrol as compared to methyl/ethyl alcohol has
lower calorific value.
lower octane number.
higher specific gravity.
higher ignition temperature.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Crude oil is subjected to vacuum distillation in the last stage, because
high boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose.
lighter/low boiling products are prone to thermal decomposition.
high purity products can be obtained thereby.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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