Using the chart in Figure 92-17, what problems can cause both a high superheat and a high subcooling?

What will be an ideal response?


Liquid Restriction Underfeeding metering device Low Capacity Compressor

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The exhaust valves shown in the preceding photograph are from a four cylinder interference engine that has failed. All of the valves are bent an equal amount. Which of the following could be the cause?

A. A broken timing belt B. ?Excessive chain slack C. ?Either of the above D. ?None of the above

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Braking systems sometimes use a fluid level switch instead of a pressure differential switch

Indicate whether the statement is true or false

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The cloning of animals requires the use of many embryos before the process is successful

Indicate whether the statement is true or false

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The broiler industry is concentrated in which area of the United States?

a. Southwest c. Northwest b. Southeast d. Northeast

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