Plumber and Sanitary Multiple Choice Questions and Answers for Practice

16. What is the name of the device used to deter the reverse flow of water in the plumbing system, usually required on exterior spigot heads?

1. Backwash coupling device
2. Backflow prevention device
3. Back pressure device
4. Back water device

17. What is the name of the device used to insure that the contents of a pipe are only allowed to flow in one direction?

1. Trap valve
2. Safety valve
3. Ball valve
4. Check valve

18. What is the period referred as golden hours?

1. First 30 minutes after incident
2. First 30 minutes after first aid
3. First 45 minutes of admission
4. First 60 minutes after treatment

19. What substance must be used before soldering a pipe?

1. Bond
2. Seal
3. Flux
4. Dope

20. What term is used to describe the slope, fall or pitch of a pipe?

1. Decline
2. Grade
3. Rake
4. Run

21. Which fire extinguisher is used for flammable and running liquid fire?

1. Foam extinguisher
2. Halon extinguisher
3. Dry powder extinguisher
4. Carbon dioxide (CO2) extinguisher

22. Which fire extinguisher is used to extinguish class B fire?

1. Halon extinguisher
2. Foam extinguisher
3. Dry powder extinguisher
4. Carbon-dioxide extinguisher

23. Which personal protective equipment (PPE) is used for head protection?

1. Gum boots
2. Helmet
3. Nose mask
4. Head shield

24. Which personal protective equipment is used for hand protection?

1. Helmet
2. Goggles
3. Gloves
4. Face sheield

25. Which PPE is used for foot protection?

1. Helmet
2. Ear plug
3. Safety shoes
4. Hand glooves