Answer / himanshu

O-ring : to prevent leakage between metal parts while
allowing some movement between them

wear ring : generally a softer material than the parent
material , employed to wear out quickly than the parent
metal thereby avoiding loss of parent metal

Answer / prakhyati

o ring prevents wear and tear and it also prevent leakage of liquid

Answer / abhimanyu

its a sealing ring ,which isolates

Answer / arun prasath

o ring to avoid water leakage from the casing

wear ring is to balance the impeller, it also reduce the wear and tear

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