Self-Test B-4.3 Distribution Systems

Complete Self-Test B-4.3 and check your answers.

1. In this system, the flow through one heat transfer unit cannot be shut off without stopping the flow in the other heat transfer units.
   1. Series loop
   2. Diversion tee
   3. Direct-return
   4. Reverse-return

    

2. Which of the following systems provides the most uniform heat?
   1. Series loop
   2. Diversion tee
   3. Direct-return
   4. Radiant panel

    

3. Which system is a one-pipe system in which flow can be diverted to individual heat transfer units?
   1. Series loop
   2. Diversion tee
   3. Direct-return
   4. Reverse-return

    

4. In which system is it easiest to balance heat transfer units?
   1. Series loop
   2. Diversion tee
   3. Direct-return
   4. Radiant panel

    

5. Which system is also known as a first fed, first return system?
   1. Series loop
   2. Diversion tee
   3. Direct-return
   4. Radiant panel

    

6. What does a diversion tee use to induce flow in the branch?
   1. Balancing valve
   2. Friction loop
   3. Venturi
   4. Zone valve

    

7. What system is shown in Figure 1?
   1. Series loop
   2. Diversion tee
   3. Direct-return
   4. Reverse-return

    

   

8. What system is shown in Figure 2?
   1. Series loop
   2. Diversion tee
   3. Direct-return
   4. Reverse-return

    

   

9. What system is shown in Figure 3?
   1. Series loop
   2. Diversion tee
   3. Direct-return
   4. Reverse-return

    

   

10. What system is shown in Figure 4?
    1. Series loop
    2. Diversion tee
    3. Direct-return
    4. Reverse-return

     

    

Answer Key: Self-Test B-4.3 is on the next page.