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9. Complete the table using the information from the text. Compare and analyze.

JOINING PIPES

Materials

Properties

Method

Method Description

Examples Of Uses

10. Discussion: The topic of our discussion is “Pipe Jointings”. The monitoring packet includes four parts. Do the tasks. After which you have 10-15 minutes to make a mini-report and present it.

Part 1 Checking vocabulary by means of reading comprehension

Fill in the gaps.

  1. Pipe and fittings are made of different material ___________.

  2. Pipe joints allow __________________________.

  3. Joints can be ________ or _______________.

  4. Flanges can be _________, __________ and _________.

  5. Joints that can be taken apart include _____________.

Part 2 Detail reading: questions that ask for specific information

Answer the following questions.

  1. Which are the most popular and least expensive methods of joining steel pipes?

  2. When is threading used? Why?

  3. When welded joints are used? What is the advantage of this method?

  4. What is the most common joint in the welded method?

  5. What is the difference between soldering and brazing?

  6. Why can compression couplings be used with all types of pipe?

  7. Why is the use of mechanical joints in piping systems becoming popular?

  8. What method is used for fibreglass pipes, vinyl pipes and polyolefin pipes?

Part 3 Main idea: checks the student’s comprehension of the text

Fill in the following table.

Method

Pipe type

Pipe size

Function

Description

Part 4 Interpretive questions – analyze and infer the text

Discuss the following statement and prove your opinion.

Piping connections serve an important role in the operation of the system. Depending on the application, pipe connections can take a variety of forms.

11. 9 You will hear a man talking about arc welding process. For questions 1-4, choose the answer (a,b,c, or d) which fits best according to what your hear.

1 MIG stands for

A Metal Inner Gas Welding

B Mild Inert Gas Welding

C Metal Inert Gas Welding

D Metal Inner Gas

2 What is not mentioned as a part of arc welding unit?

A gas shield

B power supply

C strength steel wire

D drive rollers

3 Thickness of wire depends on

A diameter

B usage

C power supply

D MIG gun

4 What is a main constituent of the machine?

A unit

B gas

C gun

D bottle

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