RETA Chapter 1 Study Exam with verified question and answers

RETA Chapter 1 Study Exam with verified question and answers 1. The primary purpose of a refrigeration system is A. To freeze food B. To cool buildings C. To preserve food D. To maintain a temperature: D. To maintain a temperature 2. Operators must keep refrigeration systems operating safely and efficiently. Which of the following best describes the required knowledge for this to be possible?: A. Basic physical principles, interprtaetion of information from tempera- ture and pressure gauges, and basic operating principles. 3. Mechanical refrigeration is a series of steps that A. moves heat energy from a space or object to an area where it can do no harm. B. adds cold to a space or object C. transforms heat energy into cold energy to reduce the temperature of the area to be cooled D. utilizies the cooling effect of compressing a gas to reduce the temperature in a space or object: A. moves heat energy from a space or object to an area where it can do no harm.