2018 IPC CH 5 Quiz

01. All of the following are minimum requirements of a water heater installation, except __________.

• a valve on the cold water supply to the water heater
• b. a drain valve at the bottom of each tank-type water heater
• a means to prevent siphoning of the tank in the event of a neg supply
• d. a means to provide continuous circ from the piping systems to WH

02. Which of the following is required on a bottom-fed water heater?

• dip tube
• b. circulating pump
• c. vacuum relief valve
• d. thermal expansion device

03. Unless the tank’s working pressure is less, the maximum pressure setting for a temperature and pressure relief valve is __________ psi.

• 125
• b. 200
• c. 180
• d. 150

04. For servicing, a water heater requires a minimum __________ level working space on the control side.

• 20-inch by 30-inch
• b. 24-inch by 30-inch
• c. 30-inch by 30-inch
• d. 30-inch by 36-inch

05. The maximum temperature setting of a temperature and pressure relief valve is __________.

• 120°F
• b. 140°F
• c. 180°F
• d. 210°F

06. A storage tank-type water heater is required to be installed in a pan when __________.

• required by the code official
• b. installed in an attic
• c. leakage will cause damage
• d. required by the manufacturer

07. The drain pipe of a water heater pan shall be not less than __________ inch in diameter.

• 3/4"
• b. 1/2
• c. 3/8
• d. 1

08. The temperature and pressure relief valve drain shall not discharge to __________.

• a waste receptor
• b. the outdoors
• c. the water heater pan
• d. a point 8 inches above the floor

09. All of the following are prohibited in a temperature and pressure relief valve drain, except __________.

• traps
• b. valves
• c. elbow fittings
• d. threaded ends

10. The relieving capacity of a temperature relief valve shall not be less than the __________ of the water heater.

• heat input
• b. heat output
• c. temperature limit
• d. pressure limit