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← TechnologyWhich effect arises when a positive displacement pump transfers cryogenic liquid through a partially blocked pipe?
A)Vapor lock due to fluid warming
B)Cavitation from increased local velocity✓
C)Polymerization of sealing elements
D)Reduced pump efficiency
💡 Explanation
When a cryogenic liquid is pumped through a partially blocked pipe, localized narrowing causes increased velocity, dropping the local pressure towards the liquid's vapor pressure, inducing cavitation. Therefore cavitation results, rather than vapor lock, polymerization, or reduced general efficiency, which necessitate thermal/chemical changes and friction loads, respectively.
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