Е.С. Быкадорова
English for Mechanical Engineers
Part III
Английский для инженеров-механиков
Часть III
Keys to Units and Written Tests
Ключи к темам и письменным контрольным работам
(Предназначено для преподавателей)
Новосибирск 2010
Часть III учебного пособия «Английский для инженеров-механиков» (“English for Mechanical Engineers”) предназначена для преподавателя. Предлагаются ключи к темам и письменным контрольным работам (Keys to Units and Written Tests), которые соответствуют разделам учебного пособия.
Создано для облегчения работы преподавателей с учебным пособием.
CONTENTS
| PART I. MATERIALS SCIENCE AND MACHINE TOOLS ……..
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| PART II. METALS …………………………………………………
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| PART III. PLASTICS ……………………………………………….
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| PART IV. AUTOMOBILE …………………………………………
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| PART V. ROBOTS AND COMPUTERS …………………………..
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| PART VI. GRAPHS ………………………………………………...
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KEYS TO UNITS AND WRITTEN TESTS
PART I. MATERIALS SCIENCE AND MACHINE TOOLS
Unit 1
| Assignment III:
| 1 – c; 2 – e; 3 – f; 4 – a; 5 – d; 6 – b.
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| Assignment V:
| 1 – d; 2 – b; 3 – e; 4 – c; 5 – g; 6 – a; 7 – b.
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| Assignment VI:
| 1) Speaker # 1 – 3; Speaker # 2 – 4; Speaker # 3 – 7; Speaker # 4 – 1.
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| 2) refrigeration equipment; theoretical subjects; fluid dynamics; aerospace engineering; electric generator.
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| Assignment VII:
| 3) 1 – g; 2 – d; 3 – h; 4 – f; 5 – a; 6 – e; 7 – c; 8 – b.
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Unit 2
| Assignment III:
| 1 – T; 2 – T; 3 – F; 4 – F; 5 – T; 6 – T.
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| Assignment IV:
| 1 – g; 2 – a; 3 – f; 4 – e; 5 – c.
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Unit 3
| Assignment III:
| 1 – volume; 2 – force; 3 – rigid; 4 – support; 5 – stress; 6 – advantage; 7 – shape; 8 – defect; 9 – flexible; 10 – permanent.
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| Assignment VI:
| 1 – products; 2 – replaced; 3 – requirements; 4 – dismantled; 5 – workshops; 6 – design; 7 – industrialized.
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Unit 4
| Assignment V:
| 1 – T; 2 – T; 3 – F; 4 – F.
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Unit 5
| Assignment III:
| 1 – e; 2 – c; 3 – g; 4 – a; 5 – h; 6 - b; 7 – f; 8 – d.
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| Assignment IV:
| 1 – F; 2 – F; 3 – T; 4 – F; 5 – T.
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| Assignment IV:
| 1 – drilling machine; 2 – shaper; 3 – grinder; 4 – planer; 5 – milling machine; 6 – grinder; 7 – milling machine.
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Unit 6
| Assignment III:
| 1 – g; 2 – e; 3 – f; 4 – c; 5 – a; 6 – b; 7 – h; 8 – d.
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| Assignment V:
| Possible answers:
Greet your audience – h; Introduce yourself – d; Say what you’re going to do – a, l; Move to a new point – c, f, g, m, n, o; Remind your audience of your main points – e; Make your conclusion – p, q; Thank the audience – b; Invite questions – i.
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Written Test 1 “Materials Science and Machine Tools”
| Vocabulary
| А)1 - i; 2 - d; 3 - b; 4 - g; 5 - c; 6 - j; 7 - e; 8 - f; 9 - a; 10 - h.
B) 1- b; 2 - e; 3 - a; 4 - c; 5 – d.
C) 1 - e; 2 - b; 3 - d; 4 - a; 5 - c.
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| Reading
| A) 1 - e; 2 - i; 3 - j; 4 - a; 5 - f; 6 - c; 7 - g; 8 - d; 9 - b; 10 - h.
B) 1 - T; 2 - F; 3 - F; 4 - T; 5 - T; 6 - F; 7 - T; 8 - T; 9 - F;
10 - F.
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Written Test 2 “Materials Science and Machine Tools”
| Vocabulary
| A) 1 - h; 2 - i; 3 - a; 4 - m; 5 - c; 6 - f; 7 - k; 8 - d; 9 - j; 10 - b; 11 - n; 12 - g; 13 - l; 14 - e.
B)1 - d; 2 - b; 3 - f; 4 - e; 5 - a; 6 - c.
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| Reading
| A) 1 – l; 2 - j; 3 - e; 4 - k; 5 - a; 6 - g; 7 - d; 8 - b; 9 - f; 10 - i.
B) 1 - T; 2 - F; 3 - T; 4 - F; 5 - F; 6 - T; 7 - T; 8 - T; 9 - F; 10 - T.
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Written Test 3 “Materials Science and Machine Tools”
| Vocabulary
| 1 - k; 2 - o; 3 - b; 4 - q; 5 - t; 6 - d; 7 - a; 8 - f; 9 - i; 10 - h; 11 - s; 12 - n; 13 - g; 14 - j; 15 - c; 16 - r; 17 - l; 18 - m; 19 - p; 20 - e.
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| Reading
| Possible answers:
A) 1. The basic principle used in the Rockwell test is that a hard metal can penetrate a softer one.
2. When using a wire rope to lift a load or when using it as a guy to anchor an antenna are the example of tensile stresses.
3. Yes, they are. Ferrous Metals are harder than non-ferrous ones.
4. Shearing stresses occur within a material when external forces are applied along parallel lines in opposite directions.
5. Hardness is the property of a material to resist permanent indentation.
6. Compression stresses develop within a material when forces compress or crush the material.
7. “Tensile strength” is defined as resistance to longitudinal stress or pull and can be measured in pounds per square inch of cross section.
8. Rockwell test is the one most frequently used method.
9. Because there are several methods of measuring hardness.
10. The common types of stress are compression, tension, shear, torsion, impact, or combination of these stresses, such as fatigue.
B) 1. Elastic deformation is the reaction of all materials on external forces, such as tension, compression, torsion, bending and shear.
2. Fatigue and creep of materials are the result of external forces.
3. External farces cause permanent deformation and rupture of the material
4. When the part / member works for a long period of time under cyclic stresses, small cracks are developing because of metal fatigue.
5. Creep is a slow size deformation of the part / member under stress.
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