UNIT 1 REVIEW QUESTIONS ANSWER KEY GO BACK TO INDEX
1-1) List some of the different ways that homes and buildings may be heated.
1-2) What were some of the primary heating fuels that early civilizations used?
1-3) When is it believed that ice was first artificially made for food storage?
1-4) How did early man make ice?
1-5) Why did some manufacturers spray water in factories in the early 1700s?
1-6) How did early Romans cool palaces?
1-7) What do the terms environmental heating and air conditioning refer to?
1-8) What do the terms process heated and cooling refer to?
1-9) When did central warm-air systems for residential and commercial applications
become well defined?
1-10) Who developed what is referred to as modern air conditioning?
1-11) When did mass air conditioning of homes with window units begin?
1-12) Why is it important to freeze foods quickly?
1-13) Why do some businesses and/or local and state governments require criminal
background checks for HVACR workers?
1-14) What size range might a commercial air conditioner fit into?
1-15) Give an example of some of the types of equipment that a commercial
refrigeration technician might work on.
1-16) What type of things might an entry-level helper do?
1-17) Whose job is it to do the initial installation process such as install the refrigerant
lines, electrical lines, thermostat and control lines, duct boots and duct run, as
well as setting the indoor and outdoor units?
1-18) What skills must a service technician have?
1-19) What are some of the things that a service manager must be able to do?
1-20) What is the ICE exam, and who might take it?
1-21) What are some of the RSES’s activities?