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UNIT 45 REVIEW QUESTIONS ANSWER KEY GO BACK TO INDEX
45-1) List the primary advantages of a room air conditioner.
45-2) List the disadvantages of a room air conditioner.
45-3) What is a common problem with window air conditioning units?
45-4) What are the two parts of a window air conditioning unit?
45-5) How is the energy efficiency ratio (EER) calculated?
45-6) What is the primary difference between the EER and the SEER?
45-7) What is an advantage of a propeller type fan?
45-8) Most PTAC units use what type of compressors and metering devices?
45-9) Why are there thin metal fins located on the tubes of evaporators and condensers
on PTAC units?
45-10) What can happen if you tip the old window air-conditioning unit as you move
it?
45-11) What are the three basic configurations of a stand-alone air-conditioning unit?
45-12) What are the major disadvantages of a stand-alone air-conditioning unit?
45-13) Why are heat pumps often used on split systems?
45-14) What are some advantages of mini-split systems?
45-15) What is the concern about radon gas?
45-16) Explain why split systems were developed.
For many air conditioning systems, it is not practical to place all components
45-17) Why is a quality installation one of the most important phases of the
manufacturing process?
45-18) Name the four major components of a condensing unit.
45-19) Describe why it is important to replace a fan motor with one of the exact same
RPM.
Some operate around 1000 rpm while others may operate around 800 rpm.
45-20) In a condenser coil why is the coil tube depth limited?
