Year One Module Assignment: 18103-Steel Pipe and Fittings Name First Last 1. Galvanized steel pipe is pipe that has been _____.(Required) a) sprayed with a lacquer coating b) coated with aluminum c) dipped in a molten zinc mixture d) painted silver 2. The inside diameter of 2" Schedule 10 steel pipe is _____.(Required) a) 2.157" b) 1.750" c) 2.625" d) 2.067" 3. The outside diameter of 1" Schedule 40 steel pipe is _____.(Required) a) 2.067" b) 1.750" c) 1.315" d) 2.625" 4. One advantage of stainless steel is that it is _____.(Required) a) resistant to corrosion b) inexpensive c) easy to thread d) difficult to make leakproof 5. The type of pipe with the greatest wall thickness is ____.(Required) a) Schedule 80 b) Schedule 40 c) Schedule 160 d) Schedule 10 6. Which grade of ASTM A135 pipe is most commonly used in the sprinkler industry?(Required) a) Grade C b) Grade D c) Grade B d) Grade A 7. The manually operated hand tool that can be used to cut pipe in tight quarters is a _____.(Required) a) bow saw b) hinged pipe cutter c) hacksaw d) tubing cutter 8. Which of the following is true regarding Schedule 10 pipe?(Required) a) It cannot be used in sprinkler systems. b) It can only be used in single-story buildings. c) It can be used in sprinkler work if it is designated thin-wall pipe by NFPA 13. d) It can only be used with special fittings Listed for the application. 9. A raised edge formed when cutting pipe is known as a _____.(Required) a) crease b) burl c) roll d) burr 10. The fitting labeled B in Figure RQ01 is a(n) _____.(Required) a) 11 1/4 -degree elbow b) 45-degree elbow c) 22 1/2 -degree elbow d) 90-degree elbow 11. The fitting labeled D in Figure RQ01 is a(n) _____.(Required) a) 11 1/4 -degree elbow b) 22 1/2 -degree elbow c) 90-degree elbow d) 45-degree elbow 12. The standard ELL in Figure RQ01 is labeled _____.(Required) a) F b) B c) A d) E 13. The fitting labeled F in Figure RQ01 is a(n) _____.(Required) a) eccentric reducer b) 90-degree end-of-run c) 45-degree elbow d) drain elbow 14. The fitting shown in Figure RQ02 is a(n) _____.(Required) a) 11 1/4 -degree elbow b) concentric reducer c) bullhead tee d) eccentric reducer 15. The fitting with the shallowest angle in Figure RQ01 is _____.(Required) a) B b) F c) E d) D 16. Which of the following is true regarding thread cutting oil?(Required) a) Thread cutting oil is necessary, but it tends to slow down the speed of cutting. b) There is only one type of oil, and it can be used in all applications. c) All thread cutting oil is compatible with CPVC. d) Thread cutting oil keeps the pipe and die cool, preventing unnecessary wear on the die. 17. Pipe thread compound is also referred to as _____.(Required) a) pipe dope b) joint compound c) thread-lock compound d) caulk 18. The die size commonly used to thread 2" pipe is _____.(Required) a) 11 1/2 threads per inch b) 8 threads per inch c) 14 threads per inch d) 18 threads per inch 19. The fitting shown in Figure RQ03 is a threaded mechanical _____.(Required) a) branch tee b) nipple c) bushing d) elbow 20. In the thread designation 1–11 1/2 –NPT, the 11 1/2 represents the _____.(Required) a) number of threads per inch b) bolt length in millimeters c) nominal pipe size d) year of manufacture 21. The die size commonly used to thread 1/2" hanger rods is _____.(Required) a) 11 threads/inch b) 18 threads/inch c) 16 threads/inch d) 13 threads/inch 22. The component shown in Figure RQ04 is a(n) _____.(Required) a) reducing coupling b) grooved flange adapter c) eccentric reducer d) blind flange 23. Given a properly threaded pipe, a threaded fitting should be able to be hand-threaded _____.(Required) a) one to two full revolutions b) four to five full revolutions c) two to three full revolutions d) three to four full revolutions 24. Press-fit fittings are used with _____.(Required) a) Schedule 30 pipe b) Schedule 80 pipe c) Schedule 40 pipe d) Schedule 10 pipe 25. When completing the installation of a grooved fitting, it is important to tighten the nuts _____.(Required) a) alternately per the manufacturer’s torque specifications b) as tightly as possible to ensure a strong connection c) only finger-tight without using a wrench d) to their maximum torque one at a time NameThis field is for validation purposes and should be left unchanged.