A commercial refrigerator with refrigerant-134a as the working fluid is used keep the refrigerated space at 2308C by rejecting its waste heat to cooling wa that enters the condenser at 188C at a rate of 0.25 kg/s and leaves at 268C. refrigerant enters the condenser at 1.2 MPa and 658C and leaves at 428C. The i state of the compressor is 60 kPa and 2348C and the compressor is estimated to a net heat of 450 W from the surroundings. Determine (a) the quality of the refrige at the evaporator inlet, (b) the refrigeration load, (c) the COP of the refriger and (d) the theoretical maximum refrigeration load for the same power input te

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Classification of types of corrosion

Corrosion is described as the process in which a certain element is degraded or deteriorated due to the presence of multiple chemicals in the surrounding. Generally, corrosion happens if all the subatomic particles on a metallic object are oxidized, for example, rust on iron structures. In air or water, metals lose electrons to other particles (like oxygen), leading to the formation of an oxide with the metal.