National Practice Exam 1
1. Copper-tube boilers typically have:
(a) Better heat transfer characteristics, and longer lifespans than cast-iron boilers
(b) Better heat transfer characteristics, but shorter 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
(b) Better heat transfer characteristics, but shorter lifespans than cast-iron boilers
2. Which of the following is a similarity between furnaces and boilers?
(a) Piping
(b) A low-level safety device
(c) High-temperature limit switches
(d) Backflow preventers
(c) High-temperature limit switches
List the four safety controls found on hydronic systems:
(a) Pressure relief valve, high temperature limit, low-water cutout, backflow preventer
(b) Low temperature limit, high water cut out, backflow 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
(a) Pressure relief valve, high temperature limit, low-water cutout, backflow preventer
What is the normal operating pressure in a boiler?
(a) 2 to 5 psi
(b) 5 to 9 psi
(c) 12 to 15 psi
(d) 9 to 12 psi
(e) 15 to 18 psi
(c) 12 to 15 psi
In a two-story Victorian home with a boiler in the 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
,National Practice Exam 1
(b) No
Where is the expansion tank typically, in an open system?
(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
(b) Above the highest level radiator
When a black steel pipe is extended with copper pipe, what can occur?
(a) The steel pipe may rust at the connection due to 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
(a) The steel pipe may rust at the connection due to galvanic reaction
What is the purpose of the bleed valve near the top of the radiator?
(a) It does not have a purpose
(b) This allows the homeowner to fill the radiator with water
(c) This allows the homeowner to remove trapped air 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
(c) This allows the homeowner to remove trapped air from the radiator, letting the radiator fill
with water and heat the room effectively
Which of the following BEST describes the report statement shown below? "The roof is in good
condition for its age."
(a) Conclusion
(b) Recommendation
(c) Description
(d) Disclaimer
(a) Conclusion
Which of the following conditions would be LEAST critical to your client's safety?
,National Practice Exam 1
(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
(a) A pin hole in the heat exchanger
It is important to maintain a positive grade away from the structure of at LEAST ______ inch
drop per foot for six feet.
(a) 1/4
(b) 1/2
(c) 3/4
(d) 1
(d) 1
Standard three light electrical testers are NOT always reliable because:
(a) Some receptacles only have two prongs
(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
(d) Different test device manufactures have different light patterns
Inspections must include:
(a) Design analysis
(b) A written report
(c) Architectural evaluation
(d) Calculations of strength and adequacy of structural members
(b) A written report
All of the following are reasons to write reports, except:
(a) The Standards require it
(b) It avoids having to make good verbal presentations
(c) They help your client review what you have said
(d) Liability control
, National Practice Exam 1
(b) It avoids having to make good verbal presentations
Most problems with exterior cladding involve:
(a) Air leakage
(b) Heat loss
(c) Vapor diffusion
(d) Water penetration
(d) Water penetration
The best discharge point for a downspout is:
(a) Below grade into a storm sewer
(b) Below grade into a floor drain
(c) Above grade six feet from the house
(d) Six inches above grade, adjacent to the house
(c) Above grade six feet from the house
Common failure modes for asphalt shingles include all of these except:
(a) Spalling
(b) Cracking
(c) Blisters
(d) Loss of granules
(a) Spalling
Ice dam evidence includes everything listed here except:
(a) Icicles hanging from soffits
(b) Electric heating cables
(c) Siding discoloration starting at the soffit
(d) Water running down along rafters from peak
(d) Water running down along rafters from peak
All of the following statements are true of shrinkage cracks except:
(a) Shrinkage cracks typically do not go into the footings
(b) Shrinkage cracks do not necessarily have corresponding cracks elsewhere in the building
(c) Vertical shear is associated with shrinkage cracks
1. Copper-tube boilers typically have:
(a) Better heat transfer characteristics, and longer lifespans than cast-iron boilers
(b) Better heat transfer characteristics, but shorter 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
(b) Better heat transfer characteristics, but shorter lifespans than cast-iron boilers
2. Which of the following is a similarity between furnaces and boilers?
(a) Piping
(b) A low-level safety device
(c) High-temperature limit switches
(d) Backflow preventers
(c) High-temperature limit switches
List the four safety controls found on hydronic systems:
(a) Pressure relief valve, high temperature limit, low-water cutout, backflow preventer
(b) Low temperature limit, high water cut out, backflow 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
(a) Pressure relief valve, high temperature limit, low-water cutout, backflow preventer
What is the normal operating pressure in a boiler?
(a) 2 to 5 psi
(b) 5 to 9 psi
(c) 12 to 15 psi
(d) 9 to 12 psi
(e) 15 to 18 psi
(c) 12 to 15 psi
In a two-story Victorian home with a boiler in the 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
,National Practice Exam 1
(b) No
Where is the expansion tank typically, in an open system?
(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
(b) Above the highest level radiator
When a black steel pipe is extended with copper pipe, what can occur?
(a) The steel pipe may rust at the connection due to 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
(a) The steel pipe may rust at the connection due to galvanic reaction
What is the purpose of the bleed valve near the top of the radiator?
(a) It does not have a purpose
(b) This allows the homeowner to fill the radiator with water
(c) This allows the homeowner to remove trapped air 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
(c) This allows the homeowner to remove trapped air from the radiator, letting the radiator fill
with water and heat the room effectively
Which of the following BEST describes the report statement shown below? "The roof is in good
condition for its age."
(a) Conclusion
(b) Recommendation
(c) Description
(d) Disclaimer
(a) Conclusion
Which of the following conditions would be LEAST critical to your client's safety?
,National Practice Exam 1
(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
(a) A pin hole in the heat exchanger
It is important to maintain a positive grade away from the structure of at LEAST ______ inch
drop per foot for six feet.
(a) 1/4
(b) 1/2
(c) 3/4
(d) 1
(d) 1
Standard three light electrical testers are NOT always reliable because:
(a) Some receptacles only have two prongs
(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
(d) Different test device manufactures have different light patterns
Inspections must include:
(a) Design analysis
(b) A written report
(c) Architectural evaluation
(d) Calculations of strength and adequacy of structural members
(b) A written report
All of the following are reasons to write reports, except:
(a) The Standards require it
(b) It avoids having to make good verbal presentations
(c) They help your client review what you have said
(d) Liability control
, National Practice Exam 1
(b) It avoids having to make good verbal presentations
Most problems with exterior cladding involve:
(a) Air leakage
(b) Heat loss
(c) Vapor diffusion
(d) Water penetration
(d) Water penetration
The best discharge point for a downspout is:
(a) Below grade into a storm sewer
(b) Below grade into a floor drain
(c) Above grade six feet from the house
(d) Six inches above grade, adjacent to the house
(c) Above grade six feet from the house
Common failure modes for asphalt shingles include all of these except:
(a) Spalling
(b) Cracking
(c) Blisters
(d) Loss of granules
(a) Spalling
Ice dam evidence includes everything listed here except:
(a) Icicles hanging from soffits
(b) Electric heating cables
(c) Siding discoloration starting at the soffit
(d) Water running down along rafters from peak
(d) Water running down along rafters from peak
All of the following statements are true of shrinkage cracks except:
(a) Shrinkage cracks typically do not go into the footings
(b) Shrinkage cracks do not necessarily have corresponding cracks elsewhere in the building
(c) Vertical shear is associated with shrinkage cracks
