What is the difference between air leakage and ventilation of buildings?
What will be an ideal response?
Air leakage is unwanted ventilation of building caused by infiltration and exfiltration of air through small gaps and voids from unsealed or inadequately sealed joints in the building envelope. These gaps introduce unconditioned air (unfiltered, dusty and sometimes polluted outside air) into the interior.
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The compressor motor and condenser fan motor are wired in ____.
A. parallel B. series C. parallel/series D. with minimum wire length
What is the purpose of a preventative maintenance program?
What will be an ideal response?
Which engineering controls might be used to reduce the risk of hearing loss on a job site?
A. Reducing noise at the source. B. Reducing reverberation. C. Reducing structure-borne vibration. D. All of the above
Determine 
,W , Q, 
and 
. The properties for liquid carbon tetrachloride at 1 bar and 0°C may be assumed independent of temperature: ? = 
Five kilograms of liquid carbon tetrachloride undergo a mechanically reversible, isobaric change of state at 1 bar during which the temperature changes from 0°C to 20°C.
What will be an ideal response?