I need help my self lol XD
Answer Explanation:
CASCADE REFRIGERATION SYSTEMS :
cascade refrigeration systems are commonly used in the liquefaction of natural gas and some other gases
- cascade refrigeration system is also known as freezing system. It uses two types of refrigerants having different boiling points.
- this system is employed to obtain temperature of -40 to -80
- It allows stable ultra low temperature operation
examples of cascade refrigeration system: LNG (Liquefied natural gas ) plants mostly used cascade refrigeration system
ADVANTAGES OF CASCADE REFRIGERATION SYSTEMS:
- energy is saved because the system allows the use of refrigerant gases
- the running cost is inexpensive
- repair is easy
Answer:
I know ship has stream line body
Answer:
It can change negative attitudes to positive ones
Explanation:
When an advert is done to target audience, some of the consumers may have developed a negative attitude towards the product or services before. However, when an advert is properly conveyed, there are chances that the consumers may change to have a positive attitude towards the advertised product or service. In conclusion, advertising can affect attitudes but cannot alter values or force people to do things they do not want to do or believe are wrong.