Which of the following is one of the most common steam trap designs?

A. Functional trap
B. Pressure trap
C. Physical trap
D. Thermostatic trap


A. Incorrect. The most common steam trap designs are the mechanical trap and the thermostatic trap.
B. Incorrect. The most common steam trap designs are the mechanical trap and the thermostatic trap.
C. Incorrect. The most common steam trap designs are the mechanical trap and the thermostatic trap.
D. Correct. The most common steam trap designs are the mechanical trap and the thermostatic trap.

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