Only True DIYers Can Ace This Pipe Fittings QuizShare:FacebookPinterestTwitterMailThis fitting has three openings and looks like the letter T. Name it.10%Next Correct Incorrect A tee fitting has three openings and is used to split or combine flow in a plumbing system. This fitting has three openings and looks like the letter T. Name it. Elbow Union Coupling Tee Fitting 10%