Engineering Board Exam Reviewer · Fluid Mechanics · medium
An open tank of water 2 m deep is in an elevator accelerating downward at 3 m/s2. What is the gauge pressure at the bottom of the tank?
- 25.62 kPa
- 19.62 kPa
- 6.00 kPa
- 13.62 kPa
Answer
D. 13.62 kPa
Solution
P = (g - a)h = 1000(9.81 - 3)(2) = 13620 Pa = 13.62 kPa.
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