Engineering Questions with Answers - Multiple Choice Questions
Unit Processes MCQ’s – Commercial Operation
1 - Question
Which of the following was the first American synthetic-fuels plant?
a) Sasol Plant
b) Synthesis Plant
c) Brownsville Plant
d) All of the mentioned
View Answer
Explanation: The first American synthetic-fuels plant was constructed at Brownsville, Tex., by the Carthage Hydrocol Company in 1951.
2 - Question
What was the capacity of Brownsville Plant?
a) 5000 bbl
b) 6000 bbl
c) 7000 bbl
d) 8000 bbl
View Answer
Explanation: The rated capacity of the Brownsville plant is 7,000 bbl of products per day, but this production was never reached because of operating difficulties.
3 - Question
The high pressure steam is generated is utilized in which plant?
a) Synthesis plant
b) Oxygen plant
c) Heat generated plant
d) None of the mentioned
View Answer
Explanation: High-pressure steam is generated by heat recovery from the hot synthesis gas. This steam is utilized in the oxygen plant.
4 - Question
What is removed in absorption-recovery system in Brownsville Plant?
a) Oxygen
b) Heat
c) Catalyst
d) Hydrocarbon
View Answer
Explanation: Lighter hydrocarbons are removed in an absorption-recovery system, and C3 and C4 olefins are polymerized catalytically to gasoline.
5 - Question
Sasol Plant uses what as a raw material?
a) Hydrogen
b) Oxygen
c) Coal
d) All of the mentioned
View Answer
Explanation: Sasol Plant. A commercial Fischer-Tropsch plant using coal as raw material was put on stream.
6 - Question
What is the daily capacity of Sasol plant?
a) 5000 bbl
b) 6000 bbl
c) 7000 bbl
d) 8000 bbl
View Answer
Explanation: In Sasol plant, the daily capacity of the plant is about 5,000 bbl of total liquid products. Coal consumption is 5,000 tons per day, of which 1,800 tons is for the power plant and 3,200 tons for gasification.
7 - Question
What is removed in rectisol plant?
a) Sulphur
b) Carbon dioxide
c) Both S and CO2
d) None of the mentioned
View Answer
Explanation: Carbon dioxide and sulphur compounds are removed in a Rectisol plant.
8 - Question
What size of coal is used in power plant?
a) Ultra small
b) Fine size
c) Small size
d) Large size
View Answer
Explanation: Raw coal is crushed and classified into three sizes. The finest portion is used in the power plant, which has four boilers, each having a capacity of 160 tons of steam per hour.