Lantern rings: 1. prevent liquid leakage from the pump 2. are fed by a liquid 3. provide a seal to prevent air from entering the pump 4. are mostly used on high lift pumps

Lantern rings:
1. prevent liquid leakage from the pump
2. are fed by a liquid
3. provide a seal to prevent air from entering the pump
4. are mostly used on high lift pumps



a) 1, 2, 3
b) 2, 3
c) 2, 3, 4
d) 3, 4
e) 1, 2






Answer: C


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