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Chemical Engineering - Petroleum Refinery Engineering

Exercise : Petroleum Refinery Engineering - Section 5
26.
Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is
more than 100
round about 100
between 50 and 100
less than 25
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Pressure & temperature maintained in catalytic cracking is about
2atm & 500°C
10atm & 500°C
30atm & 200°C
50atm. & 750°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Pick out the wrong statement.
Pensky-Marten apparatus is used for determining flash points above 50°C.
Characterisation factor of paraffinic crude oil is more than 12.
Abel apparatus is used for determining flash points below 50°C.
An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene.
1
20
100
500
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Highest quality bitumen is produced from the __________ crude oil.
paraffinic
naphthenic
intermediate
mixed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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