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Untitled Presentation

Untitled Presentation

Assessment

Presentation

Construction

Vocational training

Practice Problem

Hard

Created by

Steve Robbins

FREE Resource

43 Slides • 28 Questions

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Multiple Choice

Which of the following is NOT a reason for using WRAS approved products in domestic cold water systems?

1

Water Regulations

2

Back flow

3

Contamination

4

Cost reduction

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Open Ended

Why is it important for plumbers in the UK to use approved materials, fittings, and appliances when working with domestic cold water systems?

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Multiple Choice

Which type of valve is commonly used on incoming mains for high pressure applications?

1

Screw down stop valve

2

Fullway gate valve

3

Spherical plug valve

4

Slotted service valve

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Open Ended

Explain the difference between a screw down stop valve and a fullway gate valve in terms of pressure suitability and internal mechanism.

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Fill in the Blanks

Type answer...

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Multiple Choice

What is the correct BSP tail size for pillar taps used on baths?

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1/2 inch

2

3/4 inch

3

1 inch

4

5/8 inch

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Multiple Select

Which of the following valves can be used for both high and low pressure systems?

1

Screw down stop valve

2

Spherical plug valve

3

Fullway gate valve

4

Slotted service valve

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Open Ended

Looking at the diagram, describe where you would place a screw down stop valve and a gate valve in a typical domestic water system.

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Multiple Choice

Which type of tap is commonly used on kitchen sinks and has a longer neck to allow a larger air gap?

1

High neck pillar tap

2

Mixer tap

3

Bi-flow mixer tap

4

Bib tap

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Multiple Choice

Which type of tap can only be fitted on equal pressure systems?

1

Mixer tap

2

High neck pillar tap

3

Bib tap

4

Bi-flow mixer tap

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Fill in the Blanks

Type answer...

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Multiple Choice

Which of the following statements about bib taps is correct?

1

They are fitted above a cleaner’s sink or as a hose union tap.

2

They mix hot and cold water inside the body of the tap.

3

They have a single spout divided down the middle.

4

They are used on kitchen sinks.

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Open Ended

Explain the difference between a true mixer tap and a bi-flow mixer tap in terms of how water is mixed and exits the tap.

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Open Ended

List the three basic types of taps mentioned in the lesson.

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Multiple Choice

Which component in a rising spindle tap is responsible for maintaining the watertight seal around the spindle?

1

Packing gland

2

Tap wheel head

3

Jumper and washer

4

Head workings

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Multiple Select

Which of the following tools are used to dismantle a non-rising spindle tap?

1

Circlip spanner

2

Adjustable spanner

3

Grips

4

Screwdriver

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Fill in the Blanks

Type answer...

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Open Ended

Compare the mechanisms of watertight sealing in rising spindle taps, non-rising spindle taps, and quarter turn taps.

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Multiple Choice

According to Water Regulations, what is the primary reason for including protection measures in a cold water storage cistern?

1

To prevent contamination

2

To increase water pressure

3

To reduce maintenance costs

4

To improve water taste

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Multiple Select

Which of the following are recommended features for a cold water storage cistern to ensure safety and maintenance?

1

Effective inlet control

2

Screened warning/overflow pipe

3

Insulation against freezing

4

Open top for ventilation

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Open Ended

Explain why it is important to install the cold feed 25mm higher than the cold distribution in a cold water storage cistern.

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Multiple Choice

What is the main difference between the cold feed and cold distribution in a cold water storage cistern?

1

Cold feed supplies water to outlets, cold distribution supplies water to the hot water cylinder.

2

Cold feed is installed lower than cold distribution, cold distribution is installed higher.

3

Cold feed supplies water to the hot water cylinder, cold distribution supplies water to various outlets.

4

Cold feed and cold distribution have the same installation height.

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Multiple Choice

Which of the following materials is NOT commonly used for cold water storage cisterns?

1

Plastic

2

Fibre glass

3

Copper

4

Galvanised steel

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Multiple Select

Which items are essential components of a cold water storage cistern as shown in the diagram?

1

Warning pipe

2

Screened vent

3

Overflow pipe

4

Grommet for open vent

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Fill in the Blanks

Type answer...

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Open Ended

Describe the function of the rubber washer and neoprene washer in the compression tank connector assembly for a cold water storage cistern.

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Open Ended

Reflecting on what you have learned about approved products in domestic cold water systems, what questions do you still have or what would you like to know more about regarding water regulations or product approval?

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Multiple Choice

Why is it a legal requirement for plumbers in the UK to use approved materials, fittings, and appliances in domestic cold water systems?

1

To comply with water regulations and prevent issues such as back flow, contamination, and corrosion

2

To reduce installation costs

3

To speed up the plumbing process

4

To avoid using imported products

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