1.
A graph used in air-conditioning and showing the properties of air-system mixtures.
A. 
B. 
C. 
D. 
2.
Heat that raises air temperature.
A. 
B. 
C. 
D. 
3.
The transmission of heat energy from one place to another by circulatory movement of a mass of fluid.
A. 
B. 
C. 
D. 
4.
A lamp designed to project and diffuse a uniform level of illumination over a large area.
A. 
B. 
C. 
D. 
5.
What mechanical equipment, coupled with a central air-conditioning system, is used to to dehumidify and cool the air stream injected to a conditioned space.
A. 
B. 
C. 
D. 
6.
A rigid metal housing for a group of heavy conductors insulated from each other and the enclosure, also called Busduct.
A. 
B. 
C. 
D. 
7.
A heavy conductor, usually in the form of a solid copper bar, used for collecting, carrying, and distributing large electric currents, also called a busbar.
A. 
B. 
C. 
D. 
8.
A type of perimeter detector which detects object in heat range of body temperature.
A. 
B. 
C. 
D. 
9.
A type of perimeter detector which detects interruption of light beam.
A. 
B. 
C. 
D. 
10.
A type of perimeter detector which detects change in sound wave pattern.
A. 
B. 
C. 
D. 
11.
Women's urinal fixture.
A. 
B. 
C. 
D. 
12.
A type of water closet that is least efficient, subject to clogging, noisy, and use a simple washout action through a small irregular passageway.
A. 
B. 
C. 
D. 
13.
This type of water closet is similar to that of the siphon-jet except that it has a smaller trap passageway and smaller water surface area, moderately noisy.
A. 
B. 
C. 
D. 
14.
A type of water closet that is noisy but highly efficient. Strong jet into up leg forces contents out. Use only with flush valve, requires higher pressure.
A. 
B. 
C. 
D. 
15.
Water closet that is quiet, extremely sanitary, water is directed through the rim. It scours bowl, folds over into jet; siphon.
A. 
B. 
C. 
D. 
16.
A water closet that is sanitary, efficient, and very quiet. Water enters through the rim and through the down leg.
A. 
B. 
C. 
D. 
17.
A toilet bowl similar to the siphon-jet, but having the flushing water directed to the rim to create circular motion or vortex which scours the bowl.
A. 
B. 
C. 
D. 
18.
A toilet bowl in which the flushing water enters through the rim and a siphonic action initiated by a water jet draws the contents of the bowl through the trapway.
A. 
B. 
C. 
D. 
19.
A water closet similar to that of the siphon jet but with a smaller water surface and trapway.
A. 
B. 
C. 
D. 
20.
This type of water closet is prohibited by some health codes.
A. 
B. 
C. 
D. 
21.
The concussion and banging noise that results when a volume of water moving in a pipe suddenly stops or loses momentum.
A. 
B. 
C. 
D. 
22.
A shutoff valve closed by lowering a wedge-shaped gate across the passage.
A. 
B. 
C. 
D. 
23.
A valve closed by a disk seating on an opening in an internal wall.
A. 
B. 
C. 
D. 
24.
Liquid sewage that has been treated in a septic tank or sewage treatment plant.
A. 
B. 
C. 
D. 
25.
The centerline of pipe.
A. 
B. 
C. 
D.