Which of the following failures would NOT result in both the high- and low-side pressures to read too high?
A. damaged compressor
B. system overcharged
C. large amount of air in the system
D. overcharge of oil
Answer: A
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Plates in the flat position are usually ____ unless they can be repositioned or are required to be welded on both sides.
A. not grooved B. grooved on both sides C. grooved on only one side D. grooved with a single bevel
All of the following are true statements about Mexicans who settled in the area known as the borderlands EXCEPT
A. they relocated mostly in Texas, New Mexico, California and Arizona. B. they helped build highways and railroads. C. most were wealthy farmers with significant landholdings. D. many followed the harvest as fruit pickers. E. they helped create a unique culture that blended Mexican and American folkways.
In general, a system that is undercharged will have:
A) A high subcooling and a high superheat. B) A high subcooling and a low superheat. C) A low subcooling and a high superheat. D) A low subcooling and a low superheat.
The cold anticipator starts the cooling system early to allow the air-conditioning system to get up to capacity when needed.
Answer the following statement true (T) or false (F)