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inessss [21]
3 years ago
14

What is the unit of pressure? Why is it called a derived unit?Why has SI system​

Physics
1 answer:
Dovator [93]3 years ago
6 0

Answer:

pascal

Explanation:

its obtained after either division or multiplication

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The energy produced by the internal motion of atoms? electrical , thermal, chemical, nuclear
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2 years ago
The refrigerant is being recovered from an A/C system. Five minutes after the recovery process is complete, the low-side pressur
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The low side pressure of an A/C system losing vacuum and the pressure rising above zero indicates that there is too much refrigerant in the system.

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Considering an A/C system, the condenser fan might be malfunctioning if the low side pressure of the air conditioner is excessive. On the other hand, it's also conceivable that the system has been overcharged with refrigerant.

Stated the scenario that the refrigerant of the system was being recovered, it is an indication that the system is merely overcharged. Even with the engine off, you will notice high pressures.

Either too much oil is present, or there is too much refrigerant in the air conditioning system. In either case, until you let some of that pressure out—ideally, a mechanic should do this—the issue won't go away on its own.

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