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Elena-2011 [213]
3 years ago
7

What is the pressure at the bottom of a 25 ft volume of hydraulic fluid with a weight density of 55 lb/ft3 a. 114.6 psi b. 1375p

si c. 2.2 psf. d. 9.55 psi e.1395 psf
Engineering
1 answer:
Assoli18 [71]3 years ago
3 0

Answer:

d) 9.55 psi

Explanation:

pressure at the bottom is =ρgh

weight density is ρg=55 lb/ft³

h=25ft

pressure at the bottom is =55\times 25

                                  =1375psf

1 ft = 12 inch

pressure at bottom =\frac{1375}{12^2}

                                = 9.55 psi

so, answer will be option (d) which is 9.55 psi

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sleet_krkn [62]

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b)σ₂ = -172.8 MPa

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Explanation:

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Stress amplitude ,σa= 219 MPa

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Maximum stress level = σ₁

Minimum stress level =σ₂

The mean stress given as

\sigma_m=\dfrac{\sigma_1+\sigma_2}{2}

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