TEST 7

Question 1

1. A drainage pipe for conveying storm water from a roof or gutter drains to an approved means of disposal:

A. Leader.
B. stack.
C. Main.
D. Riser.

Answer 1

A. Leader.

Question 2

2. A vertical pipe to which connections are made from the fixture side of traps and through which vapor or foul air is removed from the fixture or device utilized on bedpan washers.:

A. Vent stack.
B. local vent stack.
C. Riser.
D. Stack vented.

Answer 2

B. local vent stack.

Question 3

3. A connection between pipes, fittings, or pipes and fittings that is not screwed, caulked, threaded soldered, solvent cemented, brazed or welded. A joint in which compression is applied along the center-line of the pieces being joined. In some applications, the joint is part of a coupling, fitting or adapter:

A. Mechanical joint.
B. flared joint.
C. Putty joint.
D. Glued joint.

Answer 3

A. Mechanical joint.

Question 4

4. A combination of approved bends that makes two changes in direction bringing one section of the pipe out of line but into line parallel with the other section:

A. Parallel lines.
B. offset.
C. Return lines.
D. Changes of direction.

Answer 4

B. offset.

Question 5

5. A back-flow prevention device consisting of two independently acting check valves, internally forced-loaded to a normally closed position and separated by an intermediate chamber (or zone) in which.there is an automatic relief means of venting to the atmosphere, internally loaded to a normally opened position between two tightly closing shutoff valves and with a means for testing for tightness of the checks and opening of the relief means:

A. Double check valve with two gate valves.
B. pressure temperature and relief valve.
C. Double pressure temperature and relief valve.
D. Reduced pressure principle back-flow preventer.

Answer 5

D. Reduced pressure principle back-flow preventer.

Question 6

6. A pressure-actuated valve held close by a spring or other means and designed to relieve pressure automatically at the pressure at which such valve is set:

A. Check valve.
B. backwater valve.
C. Pressure relief valve
D. T&P valve.

Answer 6

C. Pressure relief valve

Question 7

7. A vent whose primary function is to provide circulation of air between drainage and vent systems:

A. Waste pipe.
B. soil pipe.
C. Vent through roof.
D. Relief vent.

Answer 7

D. Relief vent.

Question 8

8. A general term for any line of soil, waste, vent or inside conductor piping that extends through at least one story with or without offsets:

A. Stack vent.
B. stack.
C. Soil stack.
D. Leader.

Answer 8

B. stack.