What is gauge pressure?
A. The pressure relative to atmospheric pressure
B. The pressure relative to a vacuum
C. The total pressure in a system
D. The pressure difference between two points in a system
Answer:A
What is gauge pressure?
A. The pressure relative to atmospheric pressure B. The pressure relative to a vacuum C. The total pressure in a system D. The pressure difference between two points in a system
Explanation: Gauge pressure is the pressure measured relative to atmospheric pressure. It is the difference between the total pressure and atmospheric pressure at a given point.