Plumbing Red Seal Questions With Complete Solutions
1. Hydrogen Sulphide is removed by? Correct Answers
Manganese Zeolite filters, Aeration, chlorination
3. If a pipe from the well to the house is not graded properly:
Correct Answers It's difficult to maintain pressure and prime
the pump
4. Every acid waste trap, must have a water seal of at least:
Correct Answers 2"
5. Steps for creating a soldered joint Correct Answers 1.
measure the tube
2. mark the length
3,. cut
4. ream
5. clean the tubing
6. flux
7. assemble and heat the tube and fitting
8. apply solder
9. wipe clean
6. Steps for creating a brazed Joint Correct Answers 1. measure
the tube
2. mark the length
3. cut
4. ream
5. clean the tubing
6. assemble and heat the tube and fitting
7. apply solder
,8. wipe clean
7. The minimum size of water distribution pipe in a building is:
Correct Answers 1/2"
8. The maximum number of flushometer water closets, that can
discharge
into an 80mm (3") stack is: Correct Answers 6
9. Why is there salty water after the regeneration cycle on a
water
softener? Correct Answers too short of rinse cycle
10.Describe the different types of fires Correct Answers Class
A= Ordinary Combustibles
Class B= Flammable liquids and Gasses
Class C- Electrical
Class D- Combustible Metals
11. What is the recommended floor surface temperature in
Farenheit in a building where the occupants will be standing for
long periods of time Correct Answers 77 degrees F
12. When possible, the best location for the primary circulator
on a Hydronic heating system is Correct Answers downstream
of a diaphragm expansion tank
13. After the fire fighters have disconnected from the system,
what must be installed to make sure that freezing does not
occur? Correct Answers ball drip and check valve
, 14. What occurs in the septic chamber? Correct Answers
anaerobic bateria
15. How far must a water meter be from any entrance, wall or
grade wall in inches? Correct Answers 12"
16. How is an offset relief vent for an offset sized? Correct
Answers An offset relief vent for an offset is sized to be one
size smaller than the stack vent and must comply with
Article 2.5.7.1.
17. Every commercial building shall have premise protection by
which CCC device? Correct Answers DCVA
18.What is the proper order of sequence for fittings surrounding
the steam trap? Correct Answers isolation valve, strainer,
union, steam trap, possible
check valve
19. Temporary Platform Scaffolding erected must have toe-
boards install when the scaffolding is more than_______ m
above the ground. Correct Answers 3.5m
20. What type of treatment would a water softener be
considered? Correct Answers ion exchange
21. When using a pressure tank without air/water separation,
how do you remove or vent gases from water in the tank?
Correct Answers air volume control
1. Hydrogen Sulphide is removed by? Correct Answers
Manganese Zeolite filters, Aeration, chlorination
3. If a pipe from the well to the house is not graded properly:
Correct Answers It's difficult to maintain pressure and prime
the pump
4. Every acid waste trap, must have a water seal of at least:
Correct Answers 2"
5. Steps for creating a soldered joint Correct Answers 1.
measure the tube
2. mark the length
3,. cut
4. ream
5. clean the tubing
6. flux
7. assemble and heat the tube and fitting
8. apply solder
9. wipe clean
6. Steps for creating a brazed Joint Correct Answers 1. measure
the tube
2. mark the length
3. cut
4. ream
5. clean the tubing
6. assemble and heat the tube and fitting
7. apply solder
,8. wipe clean
7. The minimum size of water distribution pipe in a building is:
Correct Answers 1/2"
8. The maximum number of flushometer water closets, that can
discharge
into an 80mm (3") stack is: Correct Answers 6
9. Why is there salty water after the regeneration cycle on a
water
softener? Correct Answers too short of rinse cycle
10.Describe the different types of fires Correct Answers Class
A= Ordinary Combustibles
Class B= Flammable liquids and Gasses
Class C- Electrical
Class D- Combustible Metals
11. What is the recommended floor surface temperature in
Farenheit in a building where the occupants will be standing for
long periods of time Correct Answers 77 degrees F
12. When possible, the best location for the primary circulator
on a Hydronic heating system is Correct Answers downstream
of a diaphragm expansion tank
13. After the fire fighters have disconnected from the system,
what must be installed to make sure that freezing does not
occur? Correct Answers ball drip and check valve
, 14. What occurs in the septic chamber? Correct Answers
anaerobic bateria
15. How far must a water meter be from any entrance, wall or
grade wall in inches? Correct Answers 12"
16. How is an offset relief vent for an offset sized? Correct
Answers An offset relief vent for an offset is sized to be one
size smaller than the stack vent and must comply with
Article 2.5.7.1.
17. Every commercial building shall have premise protection by
which CCC device? Correct Answers DCVA
18.What is the proper order of sequence for fittings surrounding
the steam trap? Correct Answers isolation valve, strainer,
union, steam trap, possible
check valve
19. Temporary Platform Scaffolding erected must have toe-
boards install when the scaffolding is more than_______ m
above the ground. Correct Answers 3.5m
20. What type of treatment would a water softener be
considered? Correct Answers ion exchange
21. When using a pressure tank without air/water separation,
how do you remove or vent gases from water in the tank?
Correct Answers air volume control
