Rater practice Test Questions With Solutions 100% Solved
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Course
Telus
Institution
Telus
Rater practice Test Questions With Solutions
100% Solved
what is a common unit used when comparing fuels such as oil,gas and Lp? mmbtu
what is the heat transfer for a ceiling having measurements of 30'X 60' with R-38 if the inside
temperature is 72 and the outside temperature is 25? 22,000 bt...
Rater practice Test Questions With Solutions
100% Solved
what is a common unit used when comparing fuels such as oil,gas and Lp? mmbtu
what is the heat transfer for a ceiling having measurements of 30'X 60' with R-38 if the inside
temperature is 72 and the outside temperature is 25? 22,000 btu/hr
what range of room relative humidity is considered for home occupants? 30%-50%
When does condensation occur? when the temperature of a surface is less than the dew
point
Which of the following has greater BTU capacity? 1 gallon heating oil
Which of the following situations would most likely degrade the indorr air quality? Leaks
in the return plenum of an 80% AFUE furnace located in a closet within the building
Which of the following mechanisms of heat transfer would account for frost on a roof even when
the ambient temperature is above freezing? Radiation
,Rater practice Test Questions With Solutions
100% Solved
Without changing the grains of water in the air, if the air is heated the RH will: decrease
1185 square feet of an attic is insulated to R-30. there is 15 square feet of attic hatch insulated at
R-3. What is the average R-Value for the entire attic? 27.03
If the thermal mass increases .... the steady state R-value is not affected by the thermal
mass
The " design temperature" is the temperature equaled or exceeded 99% of the time during what
three winter months December, January, and Feburary
The term "Thermal mass" refers to material having: The ability to store heat
What is the air exiting a structure through cracks and/or holes called? Exfiltration
Annual heating loads are expressed in mmbtu
, Rater practice Test Questions With Solutions
100% Solved
Which of the following is the primary plane of air tightness in a building? The pressure
Boundary
The high temperature for in day in Atlanta was 70 degrees with an overnight low of 40 degrees.
How many heating degrees days occurred? 10
How many pascals on average are in one inch of water column? 250
what is air leaving a structure through cracks and/or holes called exfiltration
of the following where is the most likely place for the most air infiltration in a home? a
return chase opened to the attic?
If a duct system is leaking on the supply side, what is a possible consequence?
*insufficient air to different areas of the house
* The house will have negative pressure WRT the outside
* there are may be comfort complaints
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