Unit 111 PPT 2 Join and fix

Open Ended

How do safe working practices contribute to the successful installation and maintenance of low carbon steel pipework?

Multiple Choice

Which of the following curriculum links is most directly related to ensuring safety when working with low carbon steel pipework?

• 102 Safe Working Practices

• 109 Copper Pipe

• 110 Plastic Pipe

• 113 Plumbing Science

Multiple Choice

Which colour code corresponds to the heavy grade of low carbon steel?

• Brown

• Blue

• Red

• Green

Multiple Choice

Which grade of low carbon steel is most commonly used in plumbing installations?

• Light grade

• Medium grade

• Heavy grade

• All grades are equally common

Fill in the Blanks

Heavy grade low carbon steel is suitable for use in

temperature and pressurised systems.

Open Ended

Explain the difference in wall thickness among the three grades of low carbon steel tubes and how this affects their typical applications.

Multiple Choice

What are the two main ways in which smaller sizes of low carbon steel pipework are joined?

• Welded and soldered

• Screwed and compression

• Adhesive and riveted

• Bolted and clamped

Open Ended

Describe the purpose of PTFE tape or hemp and paste in screwed joints for low carbon steel pipework.

Multiple Choice

Which tool is commonly used to cut parallel threads on a pipe for screwed joints?

• Electric threader

• Pipe wrench

• Soldering iron

• Pipe cutter

Open Ended

Explain the importance of having one and a half to two threads visible when a screwed joint is completed.

Multiple Select

Which of the following are British Standard Pipe (BSP) thread sizes?

• 1/4in BSP

• 3/8in BSP

• 1/2in BSP

• 1in BSP

Fill in the Blanks

Screwed fittings such as elbows, tees, and unions are used to join pipes by means of

threads.

Open Ended

What is the function of a union fitting in a pipework run?

Fill in the Blanks

Compression fittings rely on a

seal to create a water-tight connection.

Multiple Choice

Which part of a compression fitting provides a seal to prevent leaks?

• Spring retainer

• Reinforcement washer

• Rubber seal

• Back nut

Multiple Choice

What are the main types of compression fittings shown in the images?

• Elbow, Tee, Straight, End cap

• Nut, Washer, Seal, Retainer

• Clip, Ring, Plate, Screw

• Pipe, Valve, Tap, Joint

Multiple Select

Which of the following are purposes of using clips in pipe installations?

• Prevent noise

• Offer support

• Increase water pressure

• Prevent movement and damage

Open Ended

Explain how clips help in joining and fixing pipes and fittings.

Fill in the Blanks

A cast school board clip is used to

the pipe in position.

Open Ended

Describe the function of a Munsen ring and back plate in pipe installation.

Open Ended

How do you think knowledge of safe working practices and site preparation can impact the process of joining and fixing low carbon steel pipework?

Multiple Choice

Which curriculum link is most directly related to the installation and maintenance of low carbon steel pipework?

• 102 Safe Working Practices

• 104 Site Preparation

• 112 Installation and Maintenance

• 113 Plumbing Science

Multiple Choice

According to the table, which tube diameter requires the shortest horizontal distance between clips?

• ½ in

• ¾ in

• 1 in

• All require the same distance