Irgasheva nasiba dadajanovna mechanical english

1.Read the report. Then, choose the correct answers.
1.What is the report mainly about?
A. plans to develop a new synthetic material
B. why to use a particular material for a project
C. a recommendation for further materials testing
D. which material caused a machine to fail
2. According to the report which property is NOT important for the assembly line components?
A. tension.
B. elastic behavior
C. shear
D. compression


2.Fill in the blanks with the correct words or phrases from the word bank.

Stress, strain, internal force, fails, elastic behavior, plastic behavior, stretch

1.The amount of force directed toward an object's unit of area is called_______________________.
2.If something cannot regain its previous shape, it is exhibiting_________________.
3._____________________________is the measure of how much an object deforms.
4.A(n)_________ is one that is generated from within an object and pushes outward.
5.If the machine________________ , it can not longer be used.
6.A material exhibits_____________________ when it returns to its original shape after undergoing stress.
7.To make something longer by pulling it in opposite directions is to__________ it.


3.Listen to a conversation between a mechanical engineer and a firm owner. Mark the following statements as true (T) or false (F).
1.The material must withstand high levels of compression.
2.The woman suggests changing the design.
3.The man agrees to use the recommended material.


4.Listen again and complete the conversation.
Owner: That's one of the main requirements for this project, isn't it?
Engineer: Yes. The machine components will be under 1_____________________.
Owner: It's really expensive, though. I'm not sure if we can afford that. What 2________________.
Engineer: Carbon steel and cast iron are 3 ___________________.But they don't handle stress as well.
Owner: Would 4___________________ work for our purposes?
Engineer: I'm not sure. They would require a 5______________________.
Owner: Well, if the 6_______________ , that will cost even more. Let's just go with the managing steel.