unit 113 powerpoint 9

What is one of the topics covered in the session on water distribution in properties?

• Types and layout features of cold water systems

• Electrical wiring in buildings

• Heating systems in residential areas

• Landscaping and gardening

Answer explanation

The session on water distribution in properties covers various aspects, including the types and layout features of cold water systems, which are essential for understanding how water is supplied and managed in buildings.

What does "BSE" stand for in the context of this session?

• Building Services Engineering

• Basic Structural Engineering

• British Standards for Engineering

• Building Safety Evaluation

Answer explanation

In this context, "BSE" stands for Building Services Engineering, which focuses on the design and management of building systems such as heating, ventilation, and air conditioning. The other options do not accurately represent this term.

Which of the following is a focus of the session related to pipework?

• Pipework materials and sizes used in BSE

• Pipework installation techniques

• Pipework color coding

• Pipework maintenance schedules

Answer explanation

The session focuses on 'Pipework materials and sizes used in BSE' as it is essential for understanding the specifications and requirements for effective pipework design and implementation.

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

• At least one 'potable' water supply outlet

• At least two 'potable' water supply outlets

• No 'potable' water supply outlet needed

• Only a non-potable water supply outlet

Answer explanation

Each dwelling must have at least one 'potable' water supply outlet to ensure access to safe drinking water, making this the minimum requirement for health and sanitation.

Where is the potable water supply outlet normally located in a home?

• Bathroom sink

• Kitchen sink

• Garden hose

• Garage

Answer explanation

The potable water supply outlet is typically located at the kitchen sink, as it is the primary area for food preparation and cooking, making it essential for access to clean drinking water.

In which areas must drinking water be provided in buildings other than homes?

• Storage rooms

• Food preparation areas

• Parking lots

• Basements

Answer explanation

Drinking water must be provided in food preparation areas to ensure hygiene and safety during food handling. This is essential for washing hands, utensils, and food, unlike the other options listed.

How can outlets be connected to the mains water supply?

• Only directly

• Only indirectly

• Directly or indirectly

• Through a garden hose

Answer explanation

Outlets can be connected to the mains water supply either directly, by linking them straight to the supply, or indirectly, through various plumbing systems. Thus, the correct answer is 'Directly or indirectly'.

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

• Screw-down stop valve

• Ball valve

• Butterfly valve

• Needle valve

Answer explanation

A screw-down stop valve is ideal for terminating a water supply as it provides reliable shut-off and control of water flow, making it suitable for property entry points.

How deep should the water main be below ground?

• 500mm to 1000mm

• 750mm to 1350mm

• 1000mm to 1500mm

• 1350mm to 2000mm

Answer explanation

The correct depth for a water main is 750mm to 1350mm below ground. This range helps protect the pipes from freezing and ensures proper installation, making it the most suitable choice among the options provided.

What is a characteristic of direct cold water systems?

• They are fed from a storage tank.

• They are not potable.

• They are fed directly from the mains supply.

• They have low pressure.

Answer explanation

Direct cold water systems are characterized by being fed directly from the mains supply, allowing for immediate access to water without the need for a storage tank.