21. Transformers are insulated wires wrapped around a
core.
a. plastic b. wood
c. lead
d. iron
22. The general advantages of systems over systems are: 1. There is less utility space required for equipment such as ductwork and 2. Less energy is required for pump power to circulate water than is required for fan power to circulate air.
a. all-air / all-water b. all-water/all-air
is the color a lamp appears when you look at it.
23 The
a. CRI b. CCT
24. The hot side where condensation takes place in the vapor refrigeration cycle is called the
a. evaporator
b. condenser c. compressor
25. The describes how light is distributed in space
a. Photometric curve
b. Psychometric chart
26.. are required to be used near wet locations.
a. Circuit Breakers
b. Fuses c. BXS
d. GFCIs
27. Air handling units are typically mounted on top of
a. filters b. pillows
c. dunnage
28. The illustrates how deep exterior light gets into the interior spaces.
a. zonal cavity method b. illumination gradient
29. In electrical conductors, MCM stands for
a. Main conductor
b. One thousand circular mils
c. Circular mils
d. Master Cable
30. Which ducts are more efficient?
a. square b. oval
c. round
a. True
31. True or False. The vapor compression cycle does not work very well in hot arid environments.
b. False