Plumbing Inspection Section#2 Water Heaters Quiz#6

You should have finished Study Session 5 before starting this study session. This study session deals with the common problems found on all conventional tank type water heaters.

The estimated completion time is one to one and a half hours.

Objectives
At the end of this study session, you should be able to:

• List eighteen problems found with conventional tank type water heaters.

• Question 1

  Needs Grading

  	How can a water heater affect water pressure on the hot side?
  	Selected Answer: [None Given] Correct Answer: A partially closed valve, an obstructed dip tube, or ¾ inch water heater connections to larger diameter house water pipes, can all lead to poor pressure and flow on the hot water side. Response Feedback: [None Given]

• Question 2

  Needs Grading

  	If we only need a pressure relief valve because the water heater has some internal temperature control, where can this pressure relief valve be?
  	Selected Answer: [None Given] Correct Answer:   Anywhere on the tank, or on piping near the tank in some jurisdictions Response Feedback: [None Given]

• Question 3

  Needs Grading

  	Water running out of the burner compartment on start up of a gas water heater suggests:
  	Selected Answer: [None Given] Correct Answer:   Condensation in the combustion chamber is running down through the center of the water heater and draining out the bottom. Response Feedback: [None Given]

• Question 4

  Needs Grading

  	What is the purpose of a baffle or turbulator in a gas fired water heater?
  	Selected Answer: [None Given] Correct Answer:   To slow down the exhaust products as they move up through the water heater Response Feedback: [None Given]

• Question 5

  Needs Grading

  	Where does the discharge tube from the temperature/pressure relief valve have to dump water in a cold climate?
  	Selected Answer: [None Given] Correct Answer:   6 to 12 inches above the floor beside the hot water tank Response Feedback: [None Given]

• Question 6

  Needs Grading

  	Where does the probe for the temperature/pressure relief valve sit in the tank?
  	Selected Answer: [None Given] Correct Answer:   In the top 6 inches of the tank Response Feedback: [None Given]

• Question 7

  Needs Grading

  	Where does the temperature/pressure relief valve have to discharge water in a warm climate?
  	Selected Answer: [None Given] Correct Answer:   6 to 24 inches above grade level outside of the house Response Feedback: [None Given]

• Question 8

  Needs Grading

  	Why is an explosion with propane more likely than with natural gas?
  	Selected Answer: [None Given] Correct Answer:   Because propane is heavier than air, and can accumulate, especially in a low area. Response Feedback: [None Given]

• Question 9

  Needs Grading

  	Why should we not be testing relief valves on water heaters?
  	Selected Answer: [None Given] Correct Answer:   Often the valves won?t shut off fully Response Feedback: [None Given]

• Question 10

  0 out of 0 points

  	How high above the floor should a gas or oil fired water heater be in a garage?
  	Selected Answer:   18 inches Answers: 0 inches 6 inches 12 inches   18 inches 24 inches Response Feedback: Good work

• Question 11

  0 out of 0 points

  	Gas and oil water heaters are not allowed in sleeping areas.
  	Selected Answer:  True Answers:  True False Response Feedback: Good work