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Вопрос № 932999 - Английский язык

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Cement is the most important component of concrete. 1_______. Concrete may be considered an artificial conglomerate of “crushed stone, gravel or similar inert material with a mortar”. A mortar is a mixture of sand, screenings or similar inert particles with cement and water. 2_______. The most accurate method of measuring proportions is to weigh the required quantities of each material. This may be done whether the proportions are based upon volumes or weights. 3_______. It is also widely used in large building constructions. 4_______.
Варианты ответов
  • This method is being extensively used in road constriction
  • It is very important to know everything about proportions
  • Concrete is even less uniform than many other materials
  • Sometimes timber, steel and concrete are all vary over considerable ranges in the properties desired by the engineer
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Вопрос задал(а): Анонимный пользователь, 13 Ноябрь 2020 в 16:22
На вопрос ответил(а): Анастасия Степанова, 13 Ноябрь 2020 в 16:22

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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.

Вопрос № 223848

Прочитайте текст
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.

Другие вопросы по предмету Английский язык

Вопрос № 933000

Расположите пропущенные предложения в таком порядке, чтобы получился связный текст.
New developments of architects are known today. 1_______. Young architects from the architectural department of the Rhode Island School of Design have designed tomorrow’s houses. 2_______. The system is based on cast plastic bubbles linked together. It permits the creation of almost any size and shape of such a house. 3_______. This house has features associating more and more with modern living. 4_______. At the same time it also tends to add outdoor space to the indoors and increases the feeling of speciousness.
One of them is a design of a new house
Such a house was designed with the help of research material by a graduate of this school
The walls are giant curved sandwiches with rigid plastic as outside surfaces and foamed plastic between to act as insulation
The huge glass areas admit a lot of light

Вопрос № 933001

Расположите пропущенные предложения в таком порядке, чтобы получился связный текст.
Boxes – that’s what a good deal of modern architecture reminds me of. 1_______. A man who lives in one of these boxes works in another big box, high up in the air. If he falls ill, he goes to another big box called a hospital.
I began this letter by saying that many modern buildings, especially the blocks of flats and business offices, were like big boxes. 2_______. An architect today has to be an engineer too. 3_______. They save plenty of unnecessary work. 4_______.
The blocks of flats in our big towns are huge boxes, whether the fronts and sides are square or oblong
They do look like boxes from the outside, but when we go inside, we find them very well planned for their purposes
The best modern buildings help us to live and work in comfort
There is central heating, for example, instead of the dusty open fires we used to have, with coal to be carried up long stairs and ashes to be carried down

Вопрос № 933002

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1_______. Huge reinforced concrete units manufactured in heated factory premises are brought to the site which becomes something like an assembly shop. 2_______. First of all it cuts the labour needed for building by 60 to 70% and extends the building season what is very important for countries where winter lasts for many months. 3_______. All this makes the building process less expensive and much less labourous.
4_______.
The 20th century is notable for widespread use of steel-reinforced concrete
This technique has many advantages over other building methods
Furthermore the duration of building is greatly cut
Architecture of the 20th century is characterized by very high buildings – particularly skyscrapers – and by great diversity of styles which completely differ from those of the past

Вопрос № 933003

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1_______. Early man probably got the idea of a bridge from a tree fallen across a stream. 2_______. Timber beams were embedded into the banks on each side of the river with their ends extending over the water. These made simple supports for a central beam reaching across from one bracket to the other. 3_______. A simple bridge on the suspension principle was made by early man by means of ropes, and is still used in countries such as Tibet. Two parallel ropes suspended from rocks or trees on each bank of the river, with a platform of woven mats laid across them, made a secure crossing. 4_______. When the Spaniards reached South America, they found that the Incas of Peru used suspension bridges made of six strong cables, four of which supported a platform and two served as rails.
For hundreds of years men have built bridges over fast-flowing rivers or deep and rocky canyons
From this, at a later stage, a bridge on a very simple bracket or cantilever principle was evolved
Bridges of this type are still used in Japan, and in India
Further ropes as handrails were added
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