Power Pro Pre-End-of-Course Practice Test

Question: 1 / 440

What pressure range do most cooling systems operate at?

5 to 10 psi

10 to 15 psi

Most cooling systems typically operate within a pressure range of 10 to 15 psi. This range is ideal for ensuring that the system efficiently circulates coolant without risking boil-over or vaporization. Operating at this pressure helps maintain the integrity of the cooling system while allowing for effective heat transfer.

Maintaining pressure within this range is crucial because it prevents air from entering the system, which could lead to overheating and reduced efficiency. Pressure significantly lower than this range might indicate issues such as leaks, while pressures exceeding this range could risk component damage or system failure. Thus, the 10 to 15 psi range strikes a balance that allows cooling systems to function optimally under typical operating conditions.

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15 to 20 psi

20 to 25 psi

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