This set of Fluidization Engineering Quiz focuses on “Carbonization of Oil Shale and Coal”.
1. North America has vast deposits of oil-bearing rock, called shale, true of false?
a) True
b) False
View Answer
Explanation: These rocks which provide them with oil.
2. What kind of designs were proposed for extracting oil from rocks?
a) In situ extraction
b) Moving bed processes
c) Fluidized bed
d) All of the mentioned
View Answer
Explanation: They are suggested in order to provide oil economically.
3. What is the main reason for suggesting fluidized bed for oil extraction?
a) Low oil content
b) High oil content
c) Presence of impurities
d) None of the mentioned
View Answer
Explanation: Since is oil content is low, fluidization is the cheapest method for extracting the most oil.
4. At what temperature is the retort maintained in the fluidized bed for oil recovery?
a) 370-530 C
b) 120-250 C
c) 700-900 C
d) None of the mentioned
View Answer
Explanation: It is optimum temperature for evaporation of oil.
5. How is oil shale recovered from the fluidized plant?
a) Cooling the steam
b) Heating the oil
c) Filtration of steam
d) All of the mentioned
View Answer
Explanation: On condensation, the shale gets separated from the steam and then collected at the bottom.
6. What is the important factor in the overall economics of recovery of shale?
a) Efficient heat recovery
b) Efficient oil recovery
c) Efficient coal recovery
d) All of the mentioned
View Answer
Explanation: They are important for best overall economics.
7. How much % does the inorganic material constitute in the solid feed?
a) 22
b) 44
c) 66
d) 88
View Answer
Explanation: To get efficient heat recovery.
8. Temperature of coal after heating to higher temperatures, still maintained below coking temperature, true or false?
a) True
b) False
View Answer
Explanation: In order to get high yield of oil.
9. How many beds does the recovery of oil from oil shale consists of?
a) 1
b) 2
c) 3
d) 4
View Answer
Explanation: To have three systems, one for cracking, other as heating, last as condenser.
10. A four-stage pilot plant was developed having _______ capacity of feed in order to get high yields of oil?
a) 45 kg/hr
b) 65 kg/hr
c) 20 kg/hr
d) 50 kg/hr
View Answer
Explanation: Optimum feed for best oil yield.
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