Self-Test C-2.1: Types of Plumbing Appliances

Complete Self-Test C-2.1 and check your answers.

1. What minimum temperature is required for proper sanitization in a high-temperature dishwasher?
   1. 40°C (104°F)
   2. 55°C (131°F)
   3. 60°C (140°F)
   4. 82°C (180°F)

    

2. What is one advantage of a tankless water heater?
   1. Small footprint
   2. Large water storage
   3. Not prone to fouling
   4. Uses energy at a slow rate

    

3. What is unique to an indirect storage tank?
   1. Has the heat source at the tank
   2. Uses a heat exchanger
   3. Has only two connection ports
   4. Uses a dip tube

    

4. Residential ice makers have a separate cooling unit to produce ice in a refrigerator.
   1. True
   2. False

    

5. What is used in water purification units for superior-tasting water?
   1. Sodium pellets
   2. Potassium chloride
   3. Activated carbon
   4. Silica gel

    

Answer Key: Self-Test C-2.1 is on the next page.