Answer :
Final answer:
Undersized suction lines can cause excessive overheating, freezing and clogging, and reduced system efficiency.
Explanation:
Undersized suction lines in a system can cause several problems. First, they can contribute to excessive overheating of the system. Second, they can freeze over, leading to clogging in the system's circulation path. Lastly, undersized suction lines add pressure drop, increase the compression ratio, and reduce the efficiency of the system.
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