What system uses motive gas to make a solid particulate substance flow like a liquid?
A) Hot oil system
B) Fluidized bed system
C) Nitrogen header system
D) Flare system
Answer: B
Explanation: A) Incorrect. A hot oil system utilizes an organic or synthetic oil product as a heat transfer fluid.
B) Correct. Fluidized bed is a system that uses motive gas to make a solid particulate substance flow like a liquid.
C) Incorrect. Nitrogen header is a system used when an inert gas is needed.
D) Incorrect. A flare system burns unwanted process gases before they are released into the atmosphere.
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