Plumbing Level 2 Apprenticeship – Hydronic Heating – Chapter 11 Quiz
Plumbing Level II
Hydronic Heating Quiz
Chapter Eleven
Student Copy
BCIT Plumbing Apprenticeship
FIATT - Level 2
Exams - Quizzes/Hydronics/Chapter 11/Student Copy
Plumbing Level 2 Apprenticeship – Hydronic Heating – Chapter 11 Quiz
1. Figure 1 illustrates a (an) _______________.
a)
b)
c)
d)
Figure 1
Lock shield valve
Check valve
Balancing valve
Globe valve
2. When there is no flow through a piping system when the circulator is running then a
_____________ condition exists.
a)
b)
c)
d)
Blockage
Dead-heading
Flocculation
Hi-Limit
3. Figure 2 illustrates a (an)
_________.
a) Balancing tee
b) Circulator tee
c) Diverter tee
d) Flow through tee
4. A system is said to be in ____________ when the head energy added to the fluid is
exactly the same as the head energy dissipated by all the components within the system.
a)
b)
c)
d)
Thermal equilibrium
Thermal flux
Hydraulic diffusion
Hydraulic equilibrium
5. The simplest distribution system is the ___________.
a)
b)
c)
d)
Series circuit
Monoflow circuit
Parallel direct return
Manifold home run
6. A diverter tee should be installed on the _______ piping from the heat emitter.
a)
b)
c)
d)
Return
Supply
Bypass
Differential
BCIT Plumbing Apprenticeship
FIATT - Level 2
Exams - Quizzes/Hydronics/Chapter 11/Student Copy
Plumbing Level 2 Apprenticeship – Hydronic Heating – Chapter 11 Quiz
7. ___________ is a method of joining two or more circuits so that the head energy
produced by one circulator has no effect on others within the system.
a)
b)
c)
d)
Hydraulic equilibrium
Hydraulic separation
Hydraulic resistance
Hydraulic drawdown
8. Hydraulic separators are often referred to as _________
a)
b)
c)
d)
Balancing valves
Differential bypass valves
Low loss headers
Low flow headers
9. The diameter of the hydraulic separator is typically ________ of the connected piping.
a)
b)
c)
d)
2 times the diameter
3 times the diameter
4 times the diameter
6 times the diameter
10. Multi-zone circulator systems require _______ on each of the zones.
a)
b)
c)
d)
Underflow valves
Thermal balancing valves
Swing check valves
Spring check valves
11. Differential bypass valves should only be installed in only in conjunction with
__________.
a)
b)
c)
d)
Single speed circulators
Three speed circulators
ECM circulators
Fixed speed circulators
BCIT Plumbing Apprenticeship
FIATT - Level 2
Exams - Quizzes/Hydronics/Chapter 11/Student Copy
Plumbing Level 2 Apprenticeship – Hydronic Heating – Chapter 11 Quiz
12. Figure 3 illustrates a ________.
a)
b)
c)
d)
Series circuit
Multi-zone homerun system
Parallel pipe reverse return
Parallel pipe direct return
Figure 3
13. Figure 4 illustrates a __________.
a)
b)
c)
d)
Series circuit
Multi-zone homerun system
Parallel pipe reverse return
Parallel pipe direct return
Figure 4
BCIT Plumbing Apprenticeship
FIATT - Level 2
Exams - Quizzes/Hydronics/Chapter 11/Student Copy
Plumbing Level 2 Apprenticeship – Hydronic Heating – Chapter 11 Quiz
14. Figure 5 illustrates a __________.
a)
b)
c)
d)
Series circuit
Multi-zone system
Parallel pipe reverse return
Parallel pipe direct return
Figure 5
15. The distance between two tees on a closely spaced tee primary/secondary loop system
should be no greater than __________.
a)
b)
c)
d)
6 times the pipe diameter
5 times the pipe diameter
4 times the pipe diameter
3 times the pipe diameter
16. The ____________ requires the installation of balancing valves.
a)
b)
c)
d)
Series circuit
Multi-zone system
Parallel pipe reverse return
Parallel pipe direct return
17. A heating system requires 210 MBH and is designed for a 30℉ differential. Calculate the
flow rate.
a)
b)
c)
d)
12 gpm
13 gpm
14 gpm
15 gpm
18. Calculate the cooling tons required for a heat gain of 325 MBH.
a)
b)
c)
d)
27 tons
26 tons
25 tons
24 tons
BCIT Plumbing Apprenticeship
FIATT - Level 2
Exams - Quizzes/Hydronics/Chapter 11/Student Copy
Plumbing Level 2 Apprenticeship – Hydronic Heating – Chapter 11 Quiz
19. Calculate the glycol correction if the 130 usg system test revealed a 35% mix and the
system target is 25%.
a)
b)
c)
d)
39.28 usg
37.14 usg
20.41 usg
18.17 usg
20. How many Btu’s are required to change 120 lbs. of water from 60℉ to 160℉? (sg of
water = .79)
a)
b)
c)
d)
14, 921 Btu’s
12,000 Btu’s
9,480 Btu’s
7,894 Btu’s
BCIT Plumbing Apprenticeship
FIATT - Level 2
Exams - Quizzes/Hydronics/Chapter 11/Student Copy