10. It is a blueprint used by the plumber to follow when connecting and assembling pipes. Diagrams/sketches C. Measuring instruments D. Plumbing plans A. B. Hand tools 11.A plumbing permit is required for the replacement of A. Bathing Unit C. Water Faucet B. Water Closet D. Water Heater 12.A pipe used in plumbing applications will have the following EXCEPT: A. length of the pipe C. nominal pipe size B. manufacturer's brand name D. pressure rating in psi 13. What is the typical amount of grade required per linear foot in a household drainage pipe? A. 3/4 inch C. 12 inch D. 1 inch B. 14 inch 14. What fitting is required to join copper with galvanized pipe? A. Adaptor C. Dielectric union B. Coupling D. Solder joint 15. Spool drawing is used for A. counting all the components C. presentations B. Plotting plumbing designs D. suds assembly fabrication 16. A PVC pipe is made of A. clay C. plastic D. steel B. copper 17. Which type of pipe fitting allows the content of two pipes to flow together into one? A. Bend C. Elbow B. Cross D. Lateral 18. Single line drawings are used because they_ A. are simple to draw C. look more realistic B. don't need to use symbols D. represent the space of the pipe 19. Double line drawings are used for A. interference check C. visualization B. presentation drawing D. all of the above 20. What size of P trap is required for a kitchen sink? A. 1 inch C. 1 and 1/2 inches B. 1 and 4 inches D. 1 and 3/4 inches 21. If 50 inches will be converted to centimeters, it become A. 127 C. 129 B. 128.2 D. 130.2 22. Which of the following is NOT an appropriate action in dealing with fire accidents? A. Do not panic, stay calm. B. Call the officer of fire station. C. Spray chemicals on the sources of fire. D. Use fire-fighting equipment to extinguish fire. 23. How many centimeters are there in 2 yards?​