What type of fitting can be used to change the direction of flow?
A. Cap
B. Bushing
C. Elbow
D. Wye fitting
A. Incorrect. A cap is used to seal the open end of a pipe.
B. Incorrect. A bushing is used to join two pipes of differing sizes.
C. Correct. An elbow is used to change the direction of flow.
D. Incorrect. A wye fitting can be used as a sampling point, a blowdown point, or a strainer to trap particles before they enter process equipment.
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