Which outcome occurs when refrigerant liquid floods back to a reciprocating compressor during operation?

💡 Explanation

When liquid refrigerant floods back, hydraulic shock occurs because liquid is nearly incompressible, and the compressor's valves are designed for gas compression, which leads to mechanical failure. Therefore valve plate damage results, rather than oil foaming, insulation breakdown, or blockage which require different preconditions or alternative mechanisms.

• Which outcome occurs when transient voltage exceeds circuit suppressor limits?
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• Which outcome occurs inside a surface grinder when exceeding coolant flow limits?
• Which mechanism causes pressure oscillation ('water hammer') in long hydraulic pipeline controlled by a fast-closing valve?
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