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miv72 [106K]
3 years ago
15

State three active materials of a lead acid cell​

Engineering
2 answers:
igomit [66]3 years ago
6 0

Answer:

lead dioxide,sulfate and lead acid

Karolina [17]3 years ago
3 0
Lead, dioxide, solfate and lead acid are correct
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A cylindrical tank is required to contain a gage pressure 520 kPa . The tank is to be made of A516 grade 60 steel with a maximum
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Answer:

t= 4.5 mm

Explanation:

Given that

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The normal stress for pressure vessel given as

\sigma=\dfrac{Pd}{2t}               ( hoop stress)

We always take maximum stress for safe design.

\sigma=\dfrac{Pd}{2t}

Now by putting the values

150\times 1000=\dfrac{520\times 2.6}{2t}

t= 4.5 mm

So the minimum thickness, t, of the wall is 4.5 mm

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Atlantis benefited from lessons learned in the construction and testing of Enterprise, Columbia and Challenger. ... The Experience gained during the Orbiter assembly process also enabled Atlantis to be completed with a 49.5 percent reduction in man hours (compared to Columbia).

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