BPI Practice Exam Questions And
Answers (Graded A+)
What health and safety diagnostic test measures the amount of incomplete
combustion? - ANSWER-Carbon Monoxide
T/F CFM is a measurement of pressure? - ANSWER-False
An exterior wall has an R-Value of R-25- what is the corresponding U-Value? -
ANSWER-.04
Pascals is a measurement of what? - ANSWER-Pressure
Diffusion is: - ANSWER-How moisture travels through solid material.
T/F Dew point is the temp at which air is full of moisture and cannot store any more.
Moisture will form on any object that has a temp above the air temp? - ANSWER-False
Stack efforts occurs when: - ANSWER-Indoor temps are higher at the highest point in
the structure.
A wall measures 50ft long and is 8ft high, what is the net sqft if there is one 3'0 by 6'8
door and 2 windows that measure 30" by 36"? - ANSWER-365sq.ft
What course of action would be necessary if frost and icicles are noted in an attic during
the winter? - ANSWER-Air seal the attic
Using the ASHRAE 62-89 building airflow standards, determine the BAS for a 5
component, 2 storey, 2200sq.ft home, 8ft ceilings with a 1100sq.ft basement located in
NJ? - ANSWER-200.2 cfm
What tool can be used to measure relative humidity? - ANSWER-Sling physchrometer
T/F OSHA sets workplace standards? - ANSWER-True
A 3 story house measures 45ft by 35ft with 9ft ceilings, what is the sq.ft of the exterior
walls? - ANSWER-4320Sq.ft
A wall assembly comprised of siding- R-2.7, sheathing- R-2, fiberglass batting R-13, 1/2
Sheetrock R-1.3. What is the combined thermal integrity expressed in U-Value? -
ANSWER-.05
, Adjusting the manometer baseline reading is necessary because? - ANSWER-Interior
stack effect
Exterior wind pressure
The blower doors inaccuracy
The NFPA has governance over: - ANSWER-Ensuring that all installed air sealing
materials in regard to chimneys does not pose any potential fire hazards
T/F The warmer the air temperature, the less moisture it can hold? - ANSWER-False
With the blower door fan depressurizing the house at 50 pascals, a pressure pan readir
Reveals - .5 pa. What can be determined from this? - ANSWER-The duct is more
connected to the outdoors
What is the simple payback in years of an energy conservation measure if the labor cost
is
$800, the material cost is $1400 and the anticipated savings is $30 a month? -
ANSWER-6 years
26. Which of the following is required before conducting a blower door test? - ANSWER-
Disabling the combustion appliances
27. What is the proper placement of the testing device when measuring draft in a vent
pipe? - ANSWER-At a point beyond the draft diverter and not on a bend approximately
equal to twice the
vent diameter
High density insulation should be installed at what minimum density? - ANSWER-3.5lbs
per cubic ft
Each bag of cellulose insulation covers 30sq.ft installed at high density in a 2" by 4" by
8" wall. How many bags would be needed if the wall is 65ft long? - ANSWER-18 bags
What energy conservation measure typically offers the quickest payback? - ANSWER-
Air sealing
BPI standards call for stopping work when? - ANSWER-1)Ambient CO levels exceed
35ppm
2The draft reading in the heating system vent pipe is more negative than the CAZ
3)Large crack and holes are noted above a suspended ceiling
28. If the ASHRAE Building Airflow Standards and the actual cfm50 number indicate
that the home
is below minimum ventilation guidelines, what step(s) are applicable - ANSWER-
Require that mechanical ventilation be installed
Answers (Graded A+)
What health and safety diagnostic test measures the amount of incomplete
combustion? - ANSWER-Carbon Monoxide
T/F CFM is a measurement of pressure? - ANSWER-False
An exterior wall has an R-Value of R-25- what is the corresponding U-Value? -
ANSWER-.04
Pascals is a measurement of what? - ANSWER-Pressure
Diffusion is: - ANSWER-How moisture travels through solid material.
T/F Dew point is the temp at which air is full of moisture and cannot store any more.
Moisture will form on any object that has a temp above the air temp? - ANSWER-False
Stack efforts occurs when: - ANSWER-Indoor temps are higher at the highest point in
the structure.
A wall measures 50ft long and is 8ft high, what is the net sqft if there is one 3'0 by 6'8
door and 2 windows that measure 30" by 36"? - ANSWER-365sq.ft
What course of action would be necessary if frost and icicles are noted in an attic during
the winter? - ANSWER-Air seal the attic
Using the ASHRAE 62-89 building airflow standards, determine the BAS for a 5
component, 2 storey, 2200sq.ft home, 8ft ceilings with a 1100sq.ft basement located in
NJ? - ANSWER-200.2 cfm
What tool can be used to measure relative humidity? - ANSWER-Sling physchrometer
T/F OSHA sets workplace standards? - ANSWER-True
A 3 story house measures 45ft by 35ft with 9ft ceilings, what is the sq.ft of the exterior
walls? - ANSWER-4320Sq.ft
A wall assembly comprised of siding- R-2.7, sheathing- R-2, fiberglass batting R-13, 1/2
Sheetrock R-1.3. What is the combined thermal integrity expressed in U-Value? -
ANSWER-.05
, Adjusting the manometer baseline reading is necessary because? - ANSWER-Interior
stack effect
Exterior wind pressure
The blower doors inaccuracy
The NFPA has governance over: - ANSWER-Ensuring that all installed air sealing
materials in regard to chimneys does not pose any potential fire hazards
T/F The warmer the air temperature, the less moisture it can hold? - ANSWER-False
With the blower door fan depressurizing the house at 50 pascals, a pressure pan readir
Reveals - .5 pa. What can be determined from this? - ANSWER-The duct is more
connected to the outdoors
What is the simple payback in years of an energy conservation measure if the labor cost
is
$800, the material cost is $1400 and the anticipated savings is $30 a month? -
ANSWER-6 years
26. Which of the following is required before conducting a blower door test? - ANSWER-
Disabling the combustion appliances
27. What is the proper placement of the testing device when measuring draft in a vent
pipe? - ANSWER-At a point beyond the draft diverter and not on a bend approximately
equal to twice the
vent diameter
High density insulation should be installed at what minimum density? - ANSWER-3.5lbs
per cubic ft
Each bag of cellulose insulation covers 30sq.ft installed at high density in a 2" by 4" by
8" wall. How many bags would be needed if the wall is 65ft long? - ANSWER-18 bags
What energy conservation measure typically offers the quickest payback? - ANSWER-
Air sealing
BPI standards call for stopping work when? - ANSWER-1)Ambient CO levels exceed
35ppm
2The draft reading in the heating system vent pipe is more negative than the CAZ
3)Large crack and holes are noted above a suspended ceiling
28. If the ASHRAE Building Airflow Standards and the actual cfm50 number indicate
that the home
is below minimum ventilation guidelines, what step(s) are applicable - ANSWER-
Require that mechanical ventilation be installed
