Self-Test B-3.1 Hydronic Heat Transfer Units

Complete Self Test B-3.1 and check your answers.

1. How does a convector heat a room?
   1. Heats the air
   2. Heats the objects in the room
   3. Heats the floor
   4. Heats the walls

    

2. What are convectors that have fans called?
   1. Fan heaters
   2. Baseboard heaters
   3. Unit heaters
   4. Gravity convectors

    

3. What does a convector that does not depend on gravity for circulation use?
   1. Fan
   2. Baseboard convector
   3. Unit heater
   4. Circulation pump

    

4. What are convector cabinets usually made of?
   1. Aluminum
   2. Wood
   3. Steel
   4. Plastic

    

5. Convectors should be installed under windows.
   1. True
   2. False

    

6. What type of pipe is the heating element of a convector usually made of?
   1. Plastic
   2. Louvred
   3. Finned
   4. Slotted

    

7. Complete the following statement: “The amount of heat given off by a hot gravity circulation convector is usually regulated by an adjustable ____________ .”
   1. Louvre
   2. Fin
   3. Dial
   4. Fan

    

8. What are the two types of unit heaters?
   1. Water and air
   2. Forward and reverse
   3. Gravity circulation and forced circulation
   4. Vertical and horizontal

    

9. In which of these heat transfer units is steel not used?
   1. Baseboard convector
   2. Wall-mounted convector
   3. Freestanding cast iron radiator
   4. Baseboard radiator

    

10. What is the most common type of tubing used today in radiant floor installations?
    1. Polybutylene
    2. Polyethylene
    3. Copper
    4. PEX

Answer Key: Self-Test B-3.1 is on the next page.