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← ScienceWhich consequence results when pressure drops significantly toward absolute zero in a cryogenic pump?
A)Fluid vaporizes triggering cavitation✓
B)Increased Newtonian fluid viscosity
C)Bearing failure decreases friction
D)Thermal conductivity reaches zero
💡 Explanation
Vaporization and rapid bubble formation, causing cavitation, results because the vapor pressure rises with temperature given the near absolute zero pressure; therefore A is correct, rather than increased Newtonian viscosity where cavitation is still independent.
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