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BPI Practice test questions solved 100%The collective name of all the insulation in the building envelope is called the? -
ANSWER-Thermal Boundary
Moisture transfer where water is drawn into tiny spaces or in between building materials
is called - ANSWER-Capillary Action
Any part of the building that creates a boundary between indoor air and outdoor air -
ANSWER-Pressure Boundary
1/R =? - ANSWER-U
Water that passes through a wall is called - ANSWER-Diffusion
Vapor Diffusion Retarders (VDR's) only work when - ANSWER-Used in conjunction with
a good Air Barrier
B T U (British thermal unit) = - ANSWER-The amount of heat required to raise a pound
of water 1 degree Fahrenheit
Air leakage entering a building is called? - ANSWER-Infiltration
Which offers the best Thermal Resistance? - ANSWER-High R-value
Heat passing through solid objects that are in contact with one another, do so through...
- ANSWER-Conduction
How many Heating Degree Days (HDD) were there in a single day that had a low
temperature of 20 degrees Fahrenheit and a high of 38 degrees Fahrenheit? -
ANSWER-36 HDD
What two things are required for air movement? - ANSWER-A passage way and a
difference in pressure
How many BTU's in a Therm? - ANSWER-100,000
The First Law of Thermodynamics - ANSWER-Energy is neither created or destroyed
The energy audit must be aborted if an ambient recording of Carbon Monoxide of ppm
is recorded? - ANSWER-35 ppm
What is the R-value of Cellulose, High Density insulation that is 6 inches thick? -
ANSWER-19.2
, An insufficient draft on a combustion appliance that reverses exhaust gases back into
the CAZ is called? - ANSWER-Spillage
Mechanical Ventilation is recommended when the CFM50 of a home is between ___%
and ___% of Building Airflow Standard? - ANSWER-70% and 100%
How many Pascal's is in one inch of water column? - ANSWER-250
The recommended amount of attic ventilation for a building with a good vapor barrier is?
- ANSWER-1 sq ft of ventilation for each 300 square feet of attic floor
What is the best range to maintain indoor relative humidity? - ANSWER-30% to 60%
A 25 watt bulb is left on 5 hours a day for a full calendar year, how many kilowatt hours
of electricity does it consume? - ANSWER-46 Kwh
What is the most important measure you can take to reduce moisture transport through
walls and ceilings? - ANSWER-Air Seal
3 elements required for combustion - ANSWER-Fuel, Oxygen, Ignition
Inspection of currently installed Batt insulation will provide the É - ANSWER-Effective R-
Value
What type of appliance venting system utilizes air piped in from outside for intake and
directly exhausts combustion gasses outside as well. - ANSWER-Sealed Combustion
A burning log, light from a flashlight, or a car in motion are all examples of what type of
energy? - ANSWER-Kinetic Energy
According to the Second Law of Thermodynamics - ANSWER-Wet moves to dry
Stack Effect occurs when the air inside a building is heated and becomes less dense
than the air outside. The result is that the taller the building... - ANSWER-The stronger
the effect becomes
The instrument used in building diagnostics to measure air flow and air pressure? -
ANSWER-Manometer
The process by which moisture vapor changes to liquid form? - ANSWER-Condensation
What is C F M n? - ANSWER-Cubic feet per minute at natural pressure
Air leakage leaving a building is called - ANSWER-Exfiltration
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