TEST BANK 9

Amount of waste discharged for a waste water treatment facility.

• 300 gpm

• 500 gpm

• 30 cu.m./day

• 50 c.u. m. /day

One end is 0.30M and the other end is 0.90M long. This prevents the pipe from snapping (breaking?) when the soil settles. [U-shaped?]

• Gooseneck

• Corporation cock

• Ball cock

• Long neck

Physical process in which the sediment particles collide with each other and stick together.

• Coagulation

• Flocculation

• Sedimentation

• Aeration

The discharge from a sump pump shall have the following fittings installed in order, in the direction of flow:

• check valve, union, shut-off valve

• shut-off, coupling, check valve

• check valve, shut-off valve, union

• union, check valve, shut-off valve

What do you mean by "zero Ph" ?

• Acid

• Base

• Alkaline

• neutral

Copper tube permitted for underground water distribution.

• type M soft

• type L hard

• type K soft

• DWV

What is a "powder room“ ?

• half bath

• full bath

• quarter bath

• none of the above

There are several reasons why soil stacks are not allowed in columns. Which is NOT the reason?

• Pipes will interfere with reinforcing Bars

• The size of the columns will be larger

• Cracks and leaks cannot be detected

• The Gas emitted will deteriorate concrete

The tailpiece for a lavatory shall not be less than ____.

• 1-1/4 inch

• 1-1/2 inch

• 1 inch

• 1-3/8 inch

What feature in water supply is NOT advisable to plumbing fixtures, devices and opportunities?

• Bacterial quality

• Adequate pressure

• Sufficient volume

• Without undue noise