National Practice Exam 1
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1. 1. Copper-tube boilers typically have: (b) Better heat transfer
(a) Better heat transfer characteristics, and longer characteristics, but short-
lifespans than cast-iron boilers er lifespans than cast-iron
(b) Better heat transfer characteristics, but shorter boilers
lifespans than cast-iron boilers
(c) Worse heat transfer characteristics, but longer
lifespans than cast-iron boilers
(d) Worse heat transfer characteristics, and shorter
lifespans than cast-iron boilers
2. 2. Which of the following is a similarity between fur- (c) High-temperature limit
naces and boilers? switches
(a) Piping
(b) A low-level safety device
(c) High-temperature limit switches
(d) Backflow preventers
3. List the four safety controls found on hydronic sys- (a) Pressure relief valve,
tems: high temperature limit,
(a) Pressure relief valve, high temperature limit, low-water cutout, back-
low-water cutout, backflow preventer flow preventer
(b) Low temperature limit, high water cut out, back-
flow preventer, pressure relief valve
(c) Pressure relief valve, high temperature limit, water
cutoff, back flow preventer
(d) Pressure relief, high temperature limit, low water
cutout, back flow preventer
4. What is the normal operating pressure in a boiler? (c) 12 to 15 psi
(a) 2 to 5 psi
(b) 5 to 9 psi
(c) 12 to 15 psi
, National Practice Exam 1
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(d) 9 to 12 psi
(e) 15 to 18 psi
5. In a two-story Victorian home with a boiler in the (b) No
basement you find a pressure-reducing valve set to 12
psi. Is there a possibility that his valve is set too low?
(a) Yes
(b) No
6. Where is the expansion tank typically, in an open sys- (b) Above the highest level
tem? radiator
(a) Below the highest level radiator
(b) Above the highest level radiator
(c) Horizontal of the highest level radiator
(d) Inside of the highest level radiator
7. When a black steel pipe is extended with copper pipe, (a) The steel pipe may rust
what can occur? at the connection due to
(a) The steel pipe may rust at the connection due to galvanic reaction
galvanic reaction
(b) The circulator may not be able to overcome the
pressure change at the junction
(c) The copper pipe will wear through with the friction
force of the water
(d) The copper pipe will rust because of the galvanic
reaction
8. What is the purpose of the bleed valve near the top of (c) This allows the home-
the radiator? owner to remove trapped
(a) It does not have a purpose air from the radiator, let-
(b) This allows the homeowner to fill the radiator with ting the radiator fill with
water water and heat the room
(c) This allows the homeowner to remove trapped air effectively
, National Practice Exam 1
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from the radiator, letting the radiator fill with water
and heat the room effectively
(d) This allows the homeowner to seal trapped air from
the radiator, letting the radiator fill with water and
heat the room effectively
9. Which of the following BEST describes the report (a) Conclusion
statement shown below? "The roof is in good condi-
tion for its age."
(a) Conclusion
(b) Recommendation
(c) Description
(d) Disclaimer
10. Which of the following conditions would be LEAST (a) A pin hole in the heat
critical to your client's safety? exchanger
(a) A pin hole in the heat exchanger
(b) No handrails on an interior stairway
(c) Lack of a pressure and temperature relief valve on
the water heater
(d) A non-reversing garage door opener
11. It is important to maintain a positive grade away from (d) 1
the structure of at LEAST ______ inch drop per foot for
six feet.
(a) 1/4
(b) 1/2
(c) 3/4
(d) 1
12. Standard three light electrical testers are NOT always (d) Different test device
reliable because: manufactures have differ-
(a) Some receptacles only have two prongs ent light patterns
, National Practice Exam 1
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(b) Three light testers sometimes have broken bulbs
(c) Three light testers will not detect multiple wiring
problems
(d) Different test device manufactures have different
light patterns
13. Inspections must include: (b) A written report
(a) Design analysis
(b) A written report
(c) Architectural evaluation
(d) Calculations of strength and adequacy of structural
members
14. All of the following are reasons to write reports, ex- (b) It avoids having to
cept: make good verbal presen-
(a) The Standards require it tations
(b) It avoids having to make good verbal presenta-
tions
(c) They help your client review what you have said
(d) Liability control
15. Most problems with exterior cladding involve: (d) Water penetration
(a) Air leakage
(b) Heat loss
(c) Vapor diffusion
(d) Water penetration
16. The best discharge point for a downspout is: (c) Above grade six feet
(a) Below grade into a storm sewer from the house
(b) Below grade into a floor drain
(c) Above grade six feet from the house
(d) Six inches above grade, adjacent to the house
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1. 1. Copper-tube boilers typically have: (b) Better heat transfer
(a) Better heat transfer characteristics, and longer characteristics, but short-
lifespans than cast-iron boilers er lifespans than cast-iron
(b) Better heat transfer characteristics, but shorter boilers
lifespans than cast-iron boilers
(c) Worse heat transfer characteristics, but longer
lifespans than cast-iron boilers
(d) Worse heat transfer characteristics, and shorter
lifespans than cast-iron boilers
2. 2. Which of the following is a similarity between fur- (c) High-temperature limit
naces and boilers? switches
(a) Piping
(b) A low-level safety device
(c) High-temperature limit switches
(d) Backflow preventers
3. List the four safety controls found on hydronic sys- (a) Pressure relief valve,
tems: high temperature limit,
(a) Pressure relief valve, high temperature limit, low-water cutout, back-
low-water cutout, backflow preventer flow preventer
(b) Low temperature limit, high water cut out, back-
flow preventer, pressure relief valve
(c) Pressure relief valve, high temperature limit, water
cutoff, back flow preventer
(d) Pressure relief, high temperature limit, low water
cutout, back flow preventer
4. What is the normal operating pressure in a boiler? (c) 12 to 15 psi
(a) 2 to 5 psi
(b) 5 to 9 psi
(c) 12 to 15 psi
, National Practice Exam 1
Study online at https://quizlet.com/_717hy3
(d) 9 to 12 psi
(e) 15 to 18 psi
5. In a two-story Victorian home with a boiler in the (b) No
basement you find a pressure-reducing valve set to 12
psi. Is there a possibility that his valve is set too low?
(a) Yes
(b) No
6. Where is the expansion tank typically, in an open sys- (b) Above the highest level
tem? radiator
(a) Below the highest level radiator
(b) Above the highest level radiator
(c) Horizontal of the highest level radiator
(d) Inside of the highest level radiator
7. When a black steel pipe is extended with copper pipe, (a) The steel pipe may rust
what can occur? at the connection due to
(a) The steel pipe may rust at the connection due to galvanic reaction
galvanic reaction
(b) The circulator may not be able to overcome the
pressure change at the junction
(c) The copper pipe will wear through with the friction
force of the water
(d) The copper pipe will rust because of the galvanic
reaction
8. What is the purpose of the bleed valve near the top of (c) This allows the home-
the radiator? owner to remove trapped
(a) It does not have a purpose air from the radiator, let-
(b) This allows the homeowner to fill the radiator with ting the radiator fill with
water water and heat the room
(c) This allows the homeowner to remove trapped air effectively
, National Practice Exam 1
Study online at https://quizlet.com/_717hy3
from the radiator, letting the radiator fill with water
and heat the room effectively
(d) This allows the homeowner to seal trapped air from
the radiator, letting the radiator fill with water and
heat the room effectively
9. Which of the following BEST describes the report (a) Conclusion
statement shown below? "The roof is in good condi-
tion for its age."
(a) Conclusion
(b) Recommendation
(c) Description
(d) Disclaimer
10. Which of the following conditions would be LEAST (a) A pin hole in the heat
critical to your client's safety? exchanger
(a) A pin hole in the heat exchanger
(b) No handrails on an interior stairway
(c) Lack of a pressure and temperature relief valve on
the water heater
(d) A non-reversing garage door opener
11. It is important to maintain a positive grade away from (d) 1
the structure of at LEAST ______ inch drop per foot for
six feet.
(a) 1/4
(b) 1/2
(c) 3/4
(d) 1
12. Standard three light electrical testers are NOT always (d) Different test device
reliable because: manufactures have differ-
(a) Some receptacles only have two prongs ent light patterns
, National Practice Exam 1
Study online at https://quizlet.com/_717hy3
(b) Three light testers sometimes have broken bulbs
(c) Three light testers will not detect multiple wiring
problems
(d) Different test device manufactures have different
light patterns
13. Inspections must include: (b) A written report
(a) Design analysis
(b) A written report
(c) Architectural evaluation
(d) Calculations of strength and adequacy of structural
members
14. All of the following are reasons to write reports, ex- (b) It avoids having to
cept: make good verbal presen-
(a) The Standards require it tations
(b) It avoids having to make good verbal presenta-
tions
(c) They help your client review what you have said
(d) Liability control
15. Most problems with exterior cladding involve: (d) Water penetration
(a) Air leakage
(b) Heat loss
(c) Vapor diffusion
(d) Water penetration
16. The best discharge point for a downspout is: (c) Above grade six feet
(a) Below grade into a storm sewer from the house
(b) Below grade into a floor drain
(c) Above grade six feet from the house
(d) Six inches above grade, adjacent to the house
