CPHC Exam Questions And Answers
What is the source of this table and chart?
a. Building Science Corporation.
b. The Energy Information Agency of the US Department of Energy.
c. WUFI Passive
d. PHIUS requirements. - ANS WUFI Passive
What might a building require for a roof-mounted PV array?
Select one:
a. Structural engineer's stamp.
b. Electrical design calculations.
c. Net meter specifications.
d. Electrical engineering review. - ANS Structural engineer's stamp.
What type of domestic hot water (DHW) circulation system must be used to meet distribution
requirements in a passive building?
Select one:
a. Demand-based.
b. Time activated.
c. Temperature driven.
d. Continuous circulation. - ANS Demand-based
What feature, available on some electric storage water heaters, is not available for gas storage
water heaters?
Select one:
a. Electronic economization.
b. Sealed combustion.
c. An expansion tank.
d. A completely insulated storage tank. - ANS A completely insulated storage tank.
Which of the following devices likely consumes the most electricity annually?
Select one:
a. Television
b. Pool pump
c. 3-year old refrigerator.
d. Microwave - ANS Pool pump
What feature would you require for a gas-fired water heater in an airtight building?
Select one:
,a. Power burner
b. Sealed combustion
c. Induced draft
d. Open combustion - ANS Sealed combustion
What part of a PV system converts the solar electricity for entry to the grid?
Select one:
a. Optimizer
b. Power converter
c. Inverter
d. Rectifier - ANS Inverter
Baseload would likely be the greatest percentage of total annual energy use in which of these
cities?
Select one:
a. Sacramento.
b. San Diego.
c. Omaha.
d. Minneapolis. - ANS San Diego.
What metric is used to rate the energy performance of clothes dryers?
Select one:
a. IMEF
b. Drying Efficiency
c. CEF
d. Efficacy - ANS CEF
Roughly ____ kilowatt-hours of annual site electricity use is typical for a large passive house. -
ANS 5,000 kilowatt‑hours
To determine a building's baseload energy use, ______ should be substracted from the total
energy use. - ANS Space conditioning energy
What is represented by the red portions of each bar in the chart? - ANS Baseload energy
use
Which of these devices is the most challenging in terms of energy use reduction?
Select one:
a. Laser Printer.
b. Pool pump.
c. Set-top box.
d. Laptop computer. - ANS Set-top box.
What type of electrical loads does this pie chart represent?Select one:
, a. Commercial baseload electricity.
b. Commerical MELs (CMELs)
c. Residential MELs (RMELs)
d. Home baseload electricity. - ANS Residential MELs (RMELs)
What is the difference between a boiler-heated indirect water heating tank and a solar water
heating tank?
Select one:
a. They are both indirect, but the solar tank typically has two coils.
b. Neither is indirect, they are both direct water heating tanks.
c. They are both indirect, but the boiler-heated indirect tank has two coils.
d. They are virtually identical. - ANS They are both indirect, but the solar tank typically has
two coils.
An average energy factor for a high performance heat pump water heater would range from
____ - ANS 2.0 ‑ 3.4
Which load listed below makes up the highest percentage of baseload electricity use?
Select one:
a. Miscellaneous Electric Loads (MELs)
b. Lighting
c. Laundry.
d. Refrigeration - ANS Miscellaneous Electric Loads (MELs)
What building component protects structural sheathing from bulk water infiltration?
Select one:
a. Vapor barrier
b. Water-resistive barrier
c. Vapor retarder
d. Capillary barrier
e. Caulking - ANS Water-resistive barrier
Which of the following choices best represents the maximum Energy Factor range for currently
available residential air-source heat pump water heaters?
Select one:
a. Between 2.6 EF and 3.4 EF
b. Between 2.1 EF and 2.5 EF
c. Between 1.6 EF and 2.6 EF
d. Between 4.5 EF and 4.8 EF
e. Between 3.7 EF and 4.1 EF - ANS Between 2.6 EF and 3.4 EF
Which of the following choices would be an accurate description for latex painted drywall?
Select one:
a. Class I vapor retarder
What is the source of this table and chart?
a. Building Science Corporation.
b. The Energy Information Agency of the US Department of Energy.
c. WUFI Passive
d. PHIUS requirements. - ANS WUFI Passive
What might a building require for a roof-mounted PV array?
Select one:
a. Structural engineer's stamp.
b. Electrical design calculations.
c. Net meter specifications.
d. Electrical engineering review. - ANS Structural engineer's stamp.
What type of domestic hot water (DHW) circulation system must be used to meet distribution
requirements in a passive building?
Select one:
a. Demand-based.
b. Time activated.
c. Temperature driven.
d. Continuous circulation. - ANS Demand-based
What feature, available on some electric storage water heaters, is not available for gas storage
water heaters?
Select one:
a. Electronic economization.
b. Sealed combustion.
c. An expansion tank.
d. A completely insulated storage tank. - ANS A completely insulated storage tank.
Which of the following devices likely consumes the most electricity annually?
Select one:
a. Television
b. Pool pump
c. 3-year old refrigerator.
d. Microwave - ANS Pool pump
What feature would you require for a gas-fired water heater in an airtight building?
Select one:
,a. Power burner
b. Sealed combustion
c. Induced draft
d. Open combustion - ANS Sealed combustion
What part of a PV system converts the solar electricity for entry to the grid?
Select one:
a. Optimizer
b. Power converter
c. Inverter
d. Rectifier - ANS Inverter
Baseload would likely be the greatest percentage of total annual energy use in which of these
cities?
Select one:
a. Sacramento.
b. San Diego.
c. Omaha.
d. Minneapolis. - ANS San Diego.
What metric is used to rate the energy performance of clothes dryers?
Select one:
a. IMEF
b. Drying Efficiency
c. CEF
d. Efficacy - ANS CEF
Roughly ____ kilowatt-hours of annual site electricity use is typical for a large passive house. -
ANS 5,000 kilowatt‑hours
To determine a building's baseload energy use, ______ should be substracted from the total
energy use. - ANS Space conditioning energy
What is represented by the red portions of each bar in the chart? - ANS Baseload energy
use
Which of these devices is the most challenging in terms of energy use reduction?
Select one:
a. Laser Printer.
b. Pool pump.
c. Set-top box.
d. Laptop computer. - ANS Set-top box.
What type of electrical loads does this pie chart represent?Select one:
, a. Commercial baseload electricity.
b. Commerical MELs (CMELs)
c. Residential MELs (RMELs)
d. Home baseload electricity. - ANS Residential MELs (RMELs)
What is the difference between a boiler-heated indirect water heating tank and a solar water
heating tank?
Select one:
a. They are both indirect, but the solar tank typically has two coils.
b. Neither is indirect, they are both direct water heating tanks.
c. They are both indirect, but the boiler-heated indirect tank has two coils.
d. They are virtually identical. - ANS They are both indirect, but the solar tank typically has
two coils.
An average energy factor for a high performance heat pump water heater would range from
____ - ANS 2.0 ‑ 3.4
Which load listed below makes up the highest percentage of baseload electricity use?
Select one:
a. Miscellaneous Electric Loads (MELs)
b. Lighting
c. Laundry.
d. Refrigeration - ANS Miscellaneous Electric Loads (MELs)
What building component protects structural sheathing from bulk water infiltration?
Select one:
a. Vapor barrier
b. Water-resistive barrier
c. Vapor retarder
d. Capillary barrier
e. Caulking - ANS Water-resistive barrier
Which of the following choices best represents the maximum Energy Factor range for currently
available residential air-source heat pump water heaters?
Select one:
a. Between 2.6 EF and 3.4 EF
b. Between 2.1 EF and 2.5 EF
c. Between 1.6 EF and 2.6 EF
d. Between 4.5 EF and 4.8 EF
e. Between 3.7 EF and 4.1 EF - ANS Between 2.6 EF and 3.4 EF
Which of the following choices would be an accurate description for latex painted drywall?
Select one:
a. Class I vapor retarder
