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HVAC Excellence 2026 |
Certification Exam Practice
Questions and Study Guide
Guidehttps://www.stuvia.com/dashboard!@_)#*)(@$)($@*($@)($@*_Page 1 HVAC Excellence 2026 _ Certification Exam Practice Questions and Study Guide.pdf
,HVAC EXCELLENCE 2026-02-25
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Heat which causes a change in temperature of a substance is called
sensible heat,
Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this
process la called?
latent heat
Heat added to the refrigerant in vapor state after the evaporation process is called,
superheat
A scroll compressor moves refrigerant by means of;
involute spirals
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The movement of heat by way of fluid or is called; air
convection
The movement of heat through a solid object is called;
radiation
The standard unit for measuring the quantity of heat in a substance is
British Thermal Unit
A refrigerant gives up heat when it;
it condenses
Why must refrigerant in the suction line be slightly warmer than the saturation temperature?
prevent liquid slugging of the compressor.
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