What is a coil of heated wire or tubing that is adhered to or wrapped around a pipe in order to maintain or increase the temperature of the process fluid, reduce fluid viscosity, and facilitate flow?
A) Baffle
B) Mist eliminator
C) Heat tracing
D) Vortex breaker
Answer: C
Explanation: A) Incorrect. A baffle a metal plate, placed at strategic positions inside a vessel, that alters the flow of the material in the vessel and can serve to facilitate mixing.
B) Incorrect. A mist eliminator is a device placed in the top of a tank, composed of mesh, vanes, or fibers, that collects droplets of mist (moisture) from gas to prevent it from leaving the tank and moving forward with the process flow.
C) Correct. Heat tracing is a coil of heated wire or tubing that is adhered to or wrapped around a pipe in order to maintain or increase the temperature of the process fluid, reduce fluid viscosity, and facilitate flow.
D) Incorrect. A vortex breaker is a metal plate, or similar device, placed into the drain line of a cylindrical or cone-shaped vessel.
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