What happens when u try to stick a suction cup on a rough surface?
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The seal which needs to be formed does not form because the air enters inside from the cracks and crevices of the rough surface. And for suction, vacuum (no air inside) should be there.
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Explanation:
In refrigeration and air conditioning systems, the suction pressure' is the intake pressure generated by the system compressor while operating. The suction pressure, along with the suction temperature and the wet bulb temperature of the discharge air are used to determine the correct refrigerant charge in a system.
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