No pollution is in the air, dripping a gum wrapper on the floor is littering
Answer:
t = 5.55 mm
Explanation:
given,
Gauge pressure (P)=640 kpa
Allowable normal stress =150 Mpa.
Inner diameter of tank =2.6 m.
Minimum thickness of wall. = ?
In case of closed cylinders there are two cases.
one is Circumferential stress and another one is longitudinal stress.
According to circumferential stress
![\sigma =\dfrac{pd}{2t}](https://tex.z-dn.net/?f=%5Csigma%20%3D%5Cdfrac%7Bpd%7D%7B2t%7D)
Where
p=pressure, d=diameter, t= thickness,
by substituting all values we get,
![t=\dfrac{pd}{2\sigma }](https://tex.z-dn.net/?f=t%3D%5Cdfrac%7Bpd%7D%7B2%5Csigma%20%7D)
![t=\dfrac{640\times 10^3\times 2.6}{2\times 150\times 10^{6}}](https://tex.z-dn.net/?f=t%3D%5Cdfrac%7B640%5Ctimes%2010%5E3%5Ctimes%202.6%7D%7B2%5Ctimes%20150%5Ctimes%2010%5E%7B6%7D%7D)
t = 5.55 mm
minimum thickness of the wall is equal to t = 5.55 mm
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Answer:
yes
Explanation:
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Answer:
The moon is farther away from the earths gravitational pull :)
Explanation: