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Chemical Engineering - Petroleum Refinery Engineering

Exercise : Petroleum Refinery Engineering - Section 4
16.
Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c).
one fourth
one third
half
one eighth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.
1
50
5000
10000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
CnH2n is the general formula for
olefins
naphthenes
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
unsaturated hydrocarbon content
calorific value
quantity of propane
quantity of butane
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Pick out the wrong statement.
Alkylation produces a larger iso-paraf-fin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin.
Catalytic alkylation processes use HF, AlCl3 & H2SO4 as Catalysts.
All the alkylation processes use very high temperature (> 1000°C).
Gasoline having an octane number of 90 can be produced by alkylation process.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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