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G2 Gas Technician Module 24 Revised
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G2 Gas Technician Module 24 Revised
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G2 Gas Technician Module 24 RevisedList two sources of regulations and standards of practice that influence decisions
concerning air flow in residential construction. - ANS-F280 and F326
Name three methods of heat transfer. - ANS-Conduction, Convection and Radiant
What is enthalpy? - ANS-All of sensible heat, latent heat contained in a substance when
heat is being transfer
Why is air movement an important consideration for building comfort? - ANS-Air
movement decrease or increase the rate of heating gain or loss from building and
human bodies
Can Gas Technicians conduct heat loss calculations True or False? - ANS-True if
trained
List four properties of air that affect building comfort. - ANS-Temperature, Humidity,
Enthalpy and Volume
Define relative humidity? - ANS-the amount of water vapor present in air expressed as a
percentage of the amount needed for saturation at the same temperature.
What is the danger of having to little ventilation in a dwelling unit? - ANS-A build-up
pollutants in the air
Name the terms used to describe a ventilation distribution system. - ANS-Dedicated,
Integrated and Through the Wall
How does a blocked cooling coil effect current draw? - ANS-Decrease
How does blocked air filter effect current draw? - ANS-Decrease
How does an open blower cabinet door effect current draw? - ANS-Increase
Increase in blower speed effect on current draw? - ANS-Increase
Increase in static pressure effect on current draw? - ANS-Decrease
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