Plumbing - Session 11 Part 3

Joints between glass pipe and other type of material shall be made with adapters having a:

A. Plastic seal.

B. TFE seal.

C. Nylon seal.

D. Elastomeric seal.

Joints between copper or copper-alloy tubing and cast-iron pipe shall be n=made with a brass ferrule or compression joint. The copper or copper-alloy tubing shall be:

A. Soldered to the ferrule.

B. The ferrule shall be joined to the cast-iron hub by a caulked joint.

C. A mechanical compression joint.

D. A, B & C.

Joints between cast-iron and galvanized steel or brass pipe shall be made by either:

A. Caulked joints.

B. Threaded joints.

C. Adapter fitting.

D. A, B & C.

Joints between different grades of plastic pipe or between plastic pipe and other piping material shall be made with an approved:

A. Adapter fitting.

B. Soldered joint.

C. Brazed joint.

D. Compression.

Joints between glass pipe and other type of materials shall be made with adapters having a:

A. Plastic seal.

B. TFE seal.

C. Brazed joint.

D. Welded joint.

Joints between plastic pipe and cast-iron hub pipe shall be made by a:

A. Welded joint.

B. Caulked joint.

C. Mechanical compression joint.

D. B & C.

Joints between lead pipe and other type of material shall be made by a wiped joint to a:

A. Caulking ferrule.

B. Soldering nipple.

C. Bushing.

D. A, B & C.

Joints between borosilicate glass pipe to other materials shall be made with:

A. Threaded joints.

B. Welded or burned joints.

C. Adapter having a TFE seal.

D. Soldering joints.

Joints between stainless steel drainage systems shall and other piping materials shall be made with approved:

A. Threaded joints.

B. Brazed joints.

C. Caulked joints.

D. Mechanical couplings.

Caulking ferrule shall be of :

A. Red brass.

B. Copper.

C. /Yellow brass.

D. Marine brass.

The inside diameter of a 2 inch, 3 inch and 4 inch caulking ferrule shall be:

A. 1/4 inch smaller inside diameter.

B. 1/4 inch larger inside diameter.

C. Same nominal size as started.

D. 12 inch larger inside diameter.

The length of all approved caulking ferrule of 2, 3 and 4 pipes sizes shall be:

A. 4 inches.

B. 4-1/2 inches

C. 5 inches.

D. 6 inches.

The minimum weight of a 2 inch pipe size caulking ferrule is:

A. 1 pound.

B. 1/4 pound.

C. 1/2 pound.

D. Two pound.

The minimum weight of a three inch caulking ferrule is:

A. 1-1/4 lbs.

B. 1 lb, 12 ounces.

C. Two lbs.

D. Two lbs. 12 ounces.

The minimum weight of a 4 inch pipe size caulking ferrule is:

A. 1 pound 12 ounces.

B. 2 pound 4 ounces.

C. Two pound 8 ounces.

D. Two pound 12 ounces.

Soldering bushing shall be:

A. Yellow brass.

B. Marine brass.

C. Red brass.

D. Galvanized steel.

Soldering bushings specification indicate the minimum weight of 1-1/4 inch pipe size:

A. 6 ounces.

B. 8 ounces.

C 14 ounces.

D. 16 ounces.

Soldering bushing specification indicate the minimum weight of 1-1/2 inch pipe size is:

A. 6 ounces.

B. 8 ounces.

C. 14 ounces.

D. 16 ounces.

Soldering bushing specification indicate the minimum weight of 2-inch pipe size is:

A. 6 ounces.

B. 8 ounces.

C. 14 ounces.

D. 16 ounces.

Soldering bushing specification indicate the minimum weight of 2-1/2 inch pipe size is::

A. 14 ounces.

B. 16 ounces.

C. 1 pound 6 ounces.

D. 3 pound.

Soldering bushing specification indicate the minimum weight of 3 inch pipe size is:

A. 1 lb. 6 ounce.

B. 2 lbs.

C. 2 lb. 6 ounce.

D. 3 lbs.

Soldering bushing specification indicate the minimum weight of 4 inch pipe size is:

A. 2 pounds.

B. 3 pounds 8 ounces.

C. 4 pounds.

D. 5 pounds.

For SI: one inch is equal to:

A. 18 mm.

B. 20 mm.

C. 25.4 mm.

D. 30 mm.

For SI one ounce is equal to:

A. 16 g.

B. 22 g.

C. 28.35 g.

D 30 g.

For SI: one pound is equal to:

A. 40 Kg.

B. 0,454.Kg.

C. 30 Kg.

D. 40 Kg.

O-ring joints for stainless steel drainage systems shall be made with an approved:

A. Welded joint.

B. Elastomeric seal.

C. Nylon seal.

D. Rubber seal.

All connections and changes in direction of the sanitary drainage system shall be made with approved:

A. Water supply fittings.

B. Vent supply fittings.

C. Drainage fittings.

D. Gas supply fittings.

Drainage fittings shall not have:

A. Ledges, reduction capable of retarding flow in piping.

B. Obstruction of flow in the piping.

C. Shoulders.

D. A, B & C.

Threaded drainage pipe fittings shall be of the:

A. Smooth type.

B. Recessed drainage type.

C. Water supply type.

D. Non-recessed type.

Installation of drainage fittings shall be installed to guide sewage and waste:

A. In the direction of flow.

B. In opposite directions.

C. Speeds of upward of 4 feet per second.

D. in an upward direction.

Building sewer shall be provided with clean-outs located not more than:

A. 50' apart.

B. 75' apart.

C. 100' apart.

D. 125' apart.

Change in direction by combination fittings, side inlets or increasers shall be installed in accordance with Table 706.3 based on the pattern of flow created by the fitting. Put an X in the areas of the table below which shows change in direction:

A-horizontal to vertical

B-vertical to horizontal

C-horizontal to horizontal

for types of fittings:

Sixteenth bend

Eighth bend

Sixth bend

Quarter bend

Short sweep

Long sweep

Sanitary tee

Wye

Combination wye and eighth bend

Sixteenth bend X X X

Eighth bend X X X

Sixth bend X X X

Quarter bend X a a

Short sweep X a,b a

Long sweep X X X

Sanitary tee c

Wye X X X

Combination wye and eighth bend

Clean-out plugs used in drainage systems shall be made of:

A. Brass.

B. Plastic.

C. Galvanized steel.

D. A & B.

The following types of joints and connections shall be prohibited in the plumbing drainage system, which type of joint and connection is permitted:

A. Cement, concrete, mastic, hot poured bituminous joints.

B. Joints made with fittings not approved for the specific installation and joints between different diameter pipes made with elastomeric rolling O-rings.

C. Solvent-cement joints between different types of plastic pipe and saddle-type fitting.

D. Joints between cast-iron and galvanized steel or brass pipe shall be made by either caulked or threaded joints or with an approved adapter fitting.

Whenever brass clean-outs plugs are used they shall not be utilized with:

A. Metallic drains.

B. Waste piping.

C. Vent piping.

D. Borosilicate glass systems.

Plugs shall have raised square or countersunk square heads. Countersunk heads shall be installed where raised heads are:

A. A trip hazard.

B. Not a tip hazard.

C. Hexagon head.

D. A minimum of one-inch above floor area.

All horizontal drains shall be provided with clean-outs located not more than:

A. 50'.

B. 75'.

C. 100'.

D. 125'.

If a house drain is 175 feet measured from the soil or waste stack to the main house trap, how many clean-outs are required:

A. 1.

B. 2.

C. 3.

D. 4.

Clean-outs are measured in the building house drain from:

A. The upstream entrance of the slean-out.

B. The downstream entrance of the slean-out.

C. A or B.

D. The center of the downstream entrance of the slean-out.

For building sewer 8 inches and larger, manholes shall be provided and located not more than ... from the junction of the building and building sewer, at each change of direction and at intervals of not more than ... .

A. 100', 100'.

B. 200', 400'.

C. 300', 300',

D. 400', 400'.

Clean-outs shall be installed at each change of direction of the building drain or horizontal waste or soil lines greater than;

A. 22-1/2*.

B. 45*.

C. 90*.

D. 180*.

Where more than one change of direction occurs in a run of piping greater than 45* only one clean-out shall be required for each ... of developed length of the drainage piping:

A. 40'.

B. 30'.

C. 20'.

D. 10'.

Joints between copper or copper-alloy tubing and cast-iron hub pipe, the ferrule shall be joined to the cast iron hub by a:

A. Brass ferrule.

B. Compression joint.

C. A & B.

D. Threaded joint.

Joints between copper and copper-alloy tubing and cast iron hub pipe. The copper or copper-alloy tubing shall be ... to the ferrule:

A. Soldered.

B. Brazed.

C. Welded.

D. Caulked.

Joints between copper or copper-alloy tubing and cast iron hub pipe, the ferrule shall be joined to the cast-iron hub by a:

A. Caulked joint.

B. Mechanical compression joint.

C. A & B.

D. An 1/8 bend is required.

At the base of the each waste or soil stack:

A. Access shall be made available.

B. A quarter bend is required.

C. A clean-out shall be provided.

D. An 1/8 bend os required.

Manholes serving a building drain shall have:

A. Air holes 1" diameter for ventilation.

B. Air holes 3/4" diameter for ventilation.

C. Secured gas-tight covers.

D. Secured water-tight covers.

Clean-outs on concealed piping or piping under the floor slab or in a crawl space of less than 24" on height or a plenum shall be extended through and terminate:

A. Flush with the finished wall.

B. Flush with the finished floor or ground surface.

C. Shall be extended to the outside wall.

D. A, B & C.

Where it is necessary to conceal a clean-out or to terminate a clean-out in an area subject to vehicular traffic, the covering plate, access door or clean-out:

A. Shall be covered with cement.

B. May be covered with plaster.

C. May be covered over with any permanent finish material.

D. Shall be of an approved type designed and installed for this purpose.

Every clean-out shall be installed to open to allow cleaning in the:

A. Direction of the flow of the drainage pipe.

B. Direction of right angles thereto.

C. A & B.

D. Opposite direction of flow only.