Installation of drainage systems

Define the term working drawing

• A drawing used for working

• A drawing used as a reference or guide in the manufacturer of product

• A drawing used to show working progress

• Drawing showing all the symbols

Which one of the following is not a working drawing

• Pipe work drawing

• Structural drawings

• Plumbing drawing

• Electrical drawing

Measurements in a working drawing are commonly given in

• CM

• M

• MM

• Inches

Define the term plumber

(a)  

Which one of the following materials is not used in the installation of drainage system

• PVC pipe

• Bib tap

• Floor trap

• Magic bend

Which type of fitting is used to connect two pipes at a 90 degrees angle

• Union

• Elbow

• Reducer

• Tee

A threaded connection on a pipe is created using

• Solvent cement

• Pipe threader

• Flared joint

• Heat fusion

Gate valves are typically used for

• Fine adjustment of water flow

• Completely shutting off water flow

• Regulating pressure within the system

• Connecting pipes In different diameters

When cutting copper pipes for plumbing application it's recommend to use

• Hacksaw

• Pipe cutter

• Snips

• Reciprocating

In a direct water supply system water pressure is delivered to fixtures

• Through a pressurized storage tanks

• Directly from the municipal water main

• Using pump

• Using gravity