ISA Certified Automation Professional (CAP) program
Certified Automation Professionals (CAPs) are responsible for the direction, design, and deployment of systems and equipment for manufacturing and control systems.
Cavitation occurs in liquid flow when:
A. gas and vapor flow become sonic, and the flow rate drops
B. mixtures of fluid and vapor cause erosion of the valve and pipe surfaces
C. fluid pressure drops below the liquid’s vapor pressure, and the vapor pressure is below the outlet pressure
D. fluid pressure drops below the liquid’s vapor pressure, and the vapor pressure is above the outlet pressure
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