Question 3494 Deck General

The correct answer is C) 225 psig. The pressure that a spring buoy moored at a 500-foot depth must withstand is determined by the hydrostatic pressure at that depth. The formula for calculating hydrostatic pressure is: Pressure (in pounds per square inch, or psig) = Depth (in feet) x 0.445. Given a depth of 500 feet, the hydrostatic pressure would be 500 x 0.445 = 225 psig. The other options are incorrect because 100 psig (A) and 150 psig (B) are too low for a 500-foot depth, and 300 psig (D) is too high. The correct answer, 225 psig, is the pressure that the spring buoy must be designed to withstand at a 500-foot depth.