Master Plumber - Practical Problems 4

Power point presentation

Technical drawings & Specifications

Project Photographs

Visual Arts

Elbow

Coupling

Tee

Bushing

Cross Fitting

Reared-Outlet Tee

Double Tee

Double Fitting

Closing pipe ends with male thread.

Closing pipe ends with no thread.

Closing pipe ends with female thread.

Closing pipe ends with burr.

Bushing

Elbow

Tee

Crossed Fitting

Side-outlet Elbow

Three-outlet Elbow

Branched Elbow

Special Elbow

To prevent galvanic current from being generated by the two dissimilar metals.

To prevent tuberculation in the two dissimilar metals.

To prevent corrosion between the two dissimilar metals.

To prevent abrasion between the two dissimilar metals.

Tuberculation

Corrosion

Oxidation

Decomposition

1"

1/2"

3/4"

1 1/2 "

Female thread only

Male thread only

Both

None

Flared joint

Soldered joint

Screwed joint

Brazed joint

Shall be made with sleeve coupling with same material as the pipe.

Shall be made with resilient type material.

Shall be made with approved joint cement through proper application.

Shall be made using flared joint.

At every fixture with integral trap.

At every fixture with no integral trap.

At every appurtenance.

None of the above.

Traps shall be one size smaller than the fixture drain.

Traps shall be one size larger than the fixture drain.

Traps shall be of the same size as the fixture drain.

Traps shall be three sizes larger than the fixture drain.

A device used to clean a trap.

A device used to maintain the trap seal.

A device used to drain a trap seal.

Plane Bushing