Chemical Engineering - Petroleum Refinery Engineering

6.
Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds).
5
25
50
100
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
Thermofer catalytic cracking process is a __________ process.
fixed bed
moving bed
fluidised bed
non-catalytic
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
1 centistoke is equal to __________ Redwood I seconds.
1
4.08
0.408
40.8
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of
thermal cracking
gum formation
coking
discoloration
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke ?
Naphtha
Vacuum residue
Light gas oil
Diesel
Answer: Option
Explanation:
No answer description is available. Let's discuss.