USGBC is a cooperating sponsor in the development of the two primary baseline building energy codes. One is ANSI/ASHRAE/USGBC/IES Standard 189.1-2009. What is the other?
A) IRCC - International Residential construction code
B) NAHB National Green Building Standard
C) IGCC - International Green Construction Code
D) GBAP - Green Building Assessment Protocol
[Ques. 2] A technician measures a return air temperature at the furnace of 70F and a supply air temperature of 180F on a furnace whose temperature rise is rated at 40 to 60F. The technician should:
A) Leave it alone; it is working great.
B) Increase the airflow to reduce the temperature rise.
C) Increase the gas manifold pressure to reduce the temperature rise.
D) Decrease the airflow to reduce the temperature rise.
[Ques. 3] A multizone system allows a wide range of temperatures in different zones supplied by a single unit by:
A) Providing a blend of always-available heated and cooled air to any zone.
B) Reheating cooled air using strip heaters.
C) Using multiple small compressors.
D) Piping air from cool zones to warm zones.
[Ques. 4] What kind of check valve would you find in the air conditioner in a 20-year-old-home?
A) A check valve that uses a steel ball B) A check valve made of plastic
C) A check valve that is inside the metering device D) A check valve that has a disk and a spring
[Ques. 5] In general, which is denser: humid air or dry air?
A) Air density is not affected by humidity.
B) Humid air
C) Dry air
D) Air density peaks at 50 percent relative humidity and decreases both above and below 50 percent relative humidity.
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