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Вопрос № 223843 - Английский язык

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G. Stephenson’s reputation as a mechanic was beginning to spread. He was asked by a firm to come as their mill engine was giving trouble. He soon found that the trouble with the engine was a lot of sand that was drawn into the pumps with the water. The sand also got into the mechanism of the engine. Thanks to Stephenson’s improvements the water from the well could reach the pump only by flowing over the rim of a box, while the heavier sand sank to the bottom outside the box.
This period when machinery was beginning to take the place of human labour is known as the First Industrial Revolution.
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Where did sand also get into?
Варианты ответов
  • The sand also got into the box.
  • The sand also got into the mechanism of the engine.
  • The sand also got into the water.
  • The sand also got into the machine system.
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Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:17
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:17

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Вопрос № 223848

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Concrete is the name of artificial stone. The materials from which concrete is formed are sand, pieces of broken stone and cement mixed with water in suitable proportions. These materials are called ingredients of concrete. The sand and broken stone form the skeleton of concrete. Dry cement is an inert powder, but on the addition of water a chemical reaction takes place.
This causes the whole mix to set and harden forming a solid mix.
Water used in concrete mix is ordinary drinking water. It must be free from any impurities. The amount of water added influences the properties of concrete. Concrete products must be manufactured according with existing standards. Having chosen component materials builders must be well familiar with technology of concrete and use them in correct proportions.
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Which materials form the skeleton of concrete?
Water and broken stone form the skeleton of concrete.
The sand and water form the skeleton of concrete.
Cement and water form the skeleton of concrete.
The sand and broken stone form the skeleton of concrete.

Вопрос № 848134

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Concrete is the name of artificial stone. The materials from which concrete is formed are sand, pieces of broken stone and cement mixed with water in suitable proportions. These materials are called ingredients of concrete. The sand and broken stone form the skeleton of concrete. Dry cement is an inert powder, but on the addition of water a chemical reaction takes place.
This causes the whole mix to set and harden forming a solid mix.
Water used in concrete mix is ordinary drinking water. It must be free from any impurities. The amount of water added influences the properties of concrete. Concrete products must be manufactured according with existing standards. Having chosen component materials builders must be well familiar with technology of concrete and use them in correct proportions.
Ответьте на вопрос
Which materials form the skeleton of concrete?
Pieces of broken stone and cement mixed with water form the skeleton of concrete.
The sand and water form the skeleton of concrete.
Cement and water form the skeleton of concrete.
The sand and broken stone form the skeleton of concrete.

Другие вопросы по предмету Английский язык

Вопрос № 223844

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The properties of a metal can be further improved by use of heat treatment. Heat treatment is the term given to number of different procedures in which the properties of metals and alloys are changed. It usually consists of heating the metal or alloy to a selected temperature below its melting point and then cooling it at a certain rate to obtain those properties which are required. For example, hardening is used to make metals harder. Tempering makes them softer and less brittle. Annealing is carried out to make a metal soft so that it can be machined more easily. In this way, metallic materials can be produced to meet every kind of engineering specification and requirement.
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What makes metals softer and less brittle?
Annealing does.
Cooling does.
Hardening does.
Tempering does.

Вопрос № 223845

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Steel, copper and aluminium are used in making engineering products.
Steel is a grey plastic material. It is heavier than aluminium but it is the hardest and the strongest of these three metals.
Copper is a red metal. It is harder and stronger than aluminium and more flexible than steel. But copper is the heaviest and the most expensive metal. The lightest and the most flexible of these materials is aluminium. It is a white hard metal.
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What kind of metal is aluminium?
It is a grey plastic material.
It is a red metal.
It is a grey metal.
It is a white hard metal.

Вопрос № 223846

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Many people have just returned from enjoyable holiday in the South West of England. But as well as being a major tourist attraction, this region also contains a healthy industry which provides a wide range of machining services.
The company set up in 1999 is a family-run business. It specializes in the machining of various precision parts.
Two years ago the company bought a new machining centre. ‘Much of our work involves machining different sizes of parts and producing large numbers of holes’, says the managing director. ‘This machine centre will help us become more efficient and reduce the level of skill required for certain key operations.’
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When was the company set up?
The company was set up in 1909.
The company wasn’t set up at all.
The machine centre was set up in 1999.
The company was set up in 1999.

Вопрос № 223848

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Concrete is the name of artificial stone. The materials from which concrete is formed are sand, pieces of broken stone and cement mixed with water in suitable proportions. These materials are called ingredients of concrete. The sand and broken stone form the skeleton of concrete. Dry cement is an inert powder, but on the addition of water a chemical reaction takes place.
This causes the whole mix to set and harden forming a solid mix.
Water used in concrete mix is ordinary drinking water. It must be free from any impurities. The amount of water added influences the properties of concrete. Concrete products must be manufactured according with existing standards. Having chosen component materials builders must be well familiar with technology of concrete and use them in correct proportions.
Ответьте на вопрос
Which materials form the skeleton of concrete?
Water and broken stone form the skeleton of concrete.
The sand and water form the skeleton of concrete.
Cement and water form the skeleton of concrete.
The sand and broken stone form the skeleton of concrete.
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