Say weather these sentences true or false

1. The essential chemical changes which take place in the world under the influence of the yeast don’t change it into beer by fermentation.

2. The quality of the yeast has been developed through successive fermentations.

3. Individual conditions peculiar to each brewery, even the positioning of attemperators introduce variations in the fermentation.

4. Systems of fermentation may be divided into five main classes.

5. The system of bottom fermentation, which is used in brewing lager beer, differs considerably in many ways and different types of yeast are used.

6. For every gram of sugar that is converted, about two grams of alcohol is produced.

7. A secondary fermentation is often initiated by inoculation with desired bacteria.

8. During or after the alcoholic fermentation, a primary, or malolactic fermentation can also take place.

9. As for wine, during the primary fermentation the yeast cells feed on sugar and multiply producing carbon dioxide gas and alcohol.

10. Some yeast can produce 18% alcohol in wine.

Unit 7

Text 1

My future speciality. Sugary Substances Technology

I am a second-year student of the National University of Food Technologies. I study at the department of sugar and fermentation technology. My future speciality is industrial engineering. Our department trains industrial engineers for working at different enterprises of food industry. The course of training of industrial engineers takes five years of studying. The education of an engineer extends over a wide range of knowledge from pure science to technology. During junior years students study basic subjects, such as mathematics, physics, chemistry, descriptive geometry, strength of materials, elements of machines, drawing, one of the foreign languages, humanities. Much attention is devoted to the study of different technological processes of foodstuff production. During senior years students study subjects closely connected with our future speciality. The final year is devoted to practical training and to the work at the graduation thesis which is submitted to the State Examining Board.

Future industrial engineers specialize in the technology of sugar production. Having graduated from the university young specialists will be able to work at the laboratories of the sugar refinery or at the laboratories of the research institutes. Graduates may also work as a chief of the laboratory, a production foreman, a chief engineer. An industrial engineer controls the whole technological process at the plant, watches the correct fulfillment of the production process, eliminates deviations from the fixed regime. The chief of the laboratory controls the quality of raw materials and the quality of ready products. The chief engineer is responsible for the technological process which deals with mastering and reconstruction of the plant, mechanization and automation of the production processes.

I think my future speciality is useful for the development of the national economy in our country. Sugar refining is a traditional industry in Ukraine. There are many sugar refineries and a lot of them are modern. The successful work of an industrial engineer requires constant perfection and advance in knowledge acquired at the university.