Cold Water PowerPoint 5

What is the primary purpose of a non-return valve or check valve?

• To allow fluid to flow in both directions

• To allow fluid to flow in one direction only

• To increase the pressure of the fluid

• To decrease the temperature of the fluid

Where must a double check valve be installed?

• After the outlet protecting the wholesome water

• Prior to the outlet protecting the wholesome water

• In the middle of the water flow

• At the end of the water system

In which of the following situations would a non-return valve be used?

• Under a sink with an air gap

• On a filling loop for a heating system

• On an open water source

• In a closed electrical circuit

What should students bring to lessons according to the college rules?

• Pens and paper

• Snacks and drinks

• Laptops and tablets

• Sports equipment

What is the only exception for consuming drinks in the classroom?

• Soda

• Juice

• Bottled water

• Coffee

When are phones allowed to be used in the workshop or classroom?

• During lunch breaks

• For research tasks or quiz activities

• For personal calls

• To check social media

What should a student do if they are late to a lesson?

• Walk in quietly and sit down

• Wait at the door until called in

• Apologize loudly and enter

• Leave and come back later

What is one of the key requirements of testing domestic cold-water systems?

• Soundness testing

• Painting pipes

• Installing new faucets

• Replacing insulation

Which process involves preparing a system for use after installation?

• Decommissioning

• Commissioning

• Draining down

• Soundness testing

What is the term for taking a system out of service?

• Commissioning

• Soundness testing

• Decommissioning

• Draining down