Cold Water System Basics

What is the minimum requirement for a water supply outlet in each dwelling?

• One cold water tap

• Two cold water taps

• One hot water tap

• Two hot water taps

In a home, where is the potable water supply outlet normally located?

• Kitchen sink

• Bathroom sink

• Garden hose

• Laundry room

Where must drinking water be provided in addition to homes?

• Public parks

• Shopping malls

• Schools

• Offices

How can outlets be connected to the mains water supply?

• A Directly

• B Indirectly

• Both A and B

• None of the above.

What type of valve should the water supply terminate with when entering a property?

• Screw-down stop valve

• Lever action valve

• Spherical plug valve

• Flanged gate valve

The water main should be between _______ mm and _______ mm below ground.

• The water main should be between 750 mm and 1350 mm below ground.

• The water main should be between 250 mm and 435 mm below ground.

• The water main should be between 800 mm and 1200 mm below ground.

• The water main should be between 325 mm and 675 mm below ground.

According to the diagram, how far should the water main be from the building wall?

• .75 meter

• 2 meters

• 3 meters

• 4 meters

What is the source of water for all cold water taps in a direct cold water system?

• The main water supply

• A water tank

• A well

• A reservoir

Which type of cold water system is most commonly used in modern domestic properties?

• Gravity-fed system

• Direct system

• Indirect system

• Combination system

What is one advantage of a direct cold water system?

• It provides a stored supply of water.

• It is more energy efficient.

• It requires less maintenance.

• It is cheaper to install.