A heat exchanger is a device that cools a working fluid in order to return it to a liquid state
Indicate whether the statement is true or false.
F
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Technician A says lateral wheel shimmy may be caused by dynamic wheel imbalance. Technician B says dynamic wheel imbalance may cause tire thumping. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Which is FALSE? Franchisers __________ .
A. May “shop” franchisees to make sure they run the business properly B. Must provide disclosure documents to prospective investors C. Provide a guarantee that investors will not lose their money when they buy the franchise D. Provide a recognized franchise name and support to franchisees designed help them prosper and stay in business
What type of refrigeration system use a refrigerant for cooling?
A) Absorption B) Functional C) Mechanical D) Evaporation
Normally, a split AC system that uses a fixed metering device can safely operate at temperatures
A) above 50°F B) above 90°F C) above 60ºF D) above 70°F