Экзаменационный билет № 11

Одобрено: ЦМК общеобразовательных дисциплин Протокол № ___________ «____» __________ 2017 г.

Утверждаю: Зам. Директора по УР ГПОУ СПТ ______________Н.Л. Водоватова «____» ___________ 2017 г.

По дисциплине «Иностранный язык»

Для группы Т-13

1. Read and translate the text (прочтите и переведите текст)

CHEMICAL EQUIPMENT

Pumps are of great importance at many enterprises. There are several types of them: reciprocating pumps, rotary pumps, centrifugal pumps and electromagnetic pumps. Reciprocating pumps have cylinders and plungers or pistons with an inlet valve, which opens the cylinder or the inlet pipe during the suction stroke, and an outlet valve, which opens to the discharge pipe during the discharge stroke. Centrifugal pumps employ centrifugal force to lift liquids from a lower to a higher level.

Compressors are used to increase the pressure of gases and vapors for many purposes, e. g. conveying cleaning, refrigeration, etc. They can be classified as reciprocating, rotary, jet and turbo-compressors (centrifugal or/axial flow). A fan moves gases by producing a low compression ratio, e. g. in ventilation. The terms “blower" and “fan" are often used as synonyms. Blowers are low-pressure compressors for supplying’ a relatively large volume of gas (air) at a final pressure not exceeding 35 psi.

A heat exchanger is any device which makes possible a heat transfer from one liquid to another through a containing wall. The operation of mixing is widely used in chemical industry. Vertical cylindrical vessels are widely used for the mixing of liquids. Viscous liquids may be mixed by a multi-bladed agitator. Among the apparatus employed in drying, belt conveyer type driers are finding increasing use. If the material is spread directly on the belt in them, their thermal efficiency will be high, and their operation will be continuous.

2. Answer the following questions (ответьте на следующие вопросы): 1.What chemical equipment do you know? 2. What types of pipes do you know? 3. What type of compressors do you know?

3. Continue the sentences (продолжите предложения): 1. Centrifugal pumps employ … 2. Compressors can be classified … 3. A heat exchanger makes possible …

Подпись экзаменатора___________________________«15» апреля 2017 г.

Составил преподаватель: М.А. Волощенко

ГПОУ «Сибирский политехнический техникум»

Экзаменационный билет №12

Одобрено: ЦМК общеобразовательных дисциплин Протокол № ___________ «____» __________ 2017 г.

Утверждаю: Зам. Директора по УР ГПОУ СПТ ______________Н.Л. Водоватова «____» ___________ 2017 г.

По дисциплине «Иностранный язык»

Для группы Т-13

1. Read and translate the text (прочтите и переведите текст)

FAN TYPES

A fan is a machine for applying power to a gaseous fluid to increase its energy content. This energy enables movement or flow of the gas against various degrees of resistance. The function of a fan is to move air or gas through distribution systems and apparatus required for conditioning of gas medium.

The fan consists of a rotating member, called the wheel or impeller, and a stationary member called the housing. The housing is provided with an intake opening (inlet) and with a discharge opening (outlet). The flow of air or gas is caused by the pressure differential created by the energy transmitted to the gas by the rotating wheel.

If no resistance to flow exists, as in the case of a fan in free space with no inlet and no outlet duct, the fan provides the gas with velocity energy only, and no compression or rarefaction occurs. When either inlet or outlet duct is added, frictional resistance is imposed and partial compression occurs on the outlet side, whereas partial rarefaction occurs on the inlet side. The extent of the resistance imposed at the discharge governs the quantity of gas delivered by the fan.

2. Answer the following questions (ответьте на следующие вопросы): 1.What is a fan? 2. What function of fan do you know? 3. What does a fan consist of?

3. Find the equivalences in the text (найдите в тексте эквиваленты): сопротивление, колесо, крыльчатка, поток воздуха или газа, газообразная среда, вращающаяся часть, неподвижная часть.

Подпись экзаменатора___________________________«15» апреля 2017 г.

Составил преподаватель: М.А. Волощенко

ГПОУ «Сибирский политехнический техникум»