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Igoryamba
1 year ago
6

primitive transportation and storage systems that make local distribution ineffective if not impossible, the lack of clean water

, and the lack of effective sewer systems are all examples of what type of barrier?
Engineering
1 answer:
Vera_Pavlovna [14]1 year ago
5 0

Primitive transportation and storage systems that make local distribution ineffective if not impossible, and the lack of clean water and the lack of effective sewer systems are all examples of the barrier called physical & environmental barriers.

<h3>What are the problems with having physical & environmental barriers?</h3>

Time, Place, Space, Climate, and Noise are the key environmental/physical constraints. Some are simple to change, while others may prove to be difficult.

Physical barriers are essentially defined by three primary factors: environment, distance, and medium unawareness. Environmental barriers, on the other hand, are connected to variables that occur in the current environment.

Learn more about transportation:
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#SPJ1

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Answer:

Maximum inside diameter is 68.52 mm.

Explanation:

Apply stress formula to calculate inside diameter of the tube. Take the allowable stress for safe design and maximum inside diameter of the steel tube.

Step1

Given:

Outside diameter is 100 mm.

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Allowable stress is 120 Mpa.

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Step2

Inside diameter is calculated by the stress formula as follows:

\sigma_{a}=\frac{F}{A}

\sigma_{a}=\frac{F}{\frac{\pi}{4}(d_{o}^{2}-d_{i}^{2})}

120=\frac{500\times1000}{\frac{\pi}{4}(100^{2}-d_{i}^{2})}

(100^{2}-d_{i}^{2})=5305.164

d_{i}=68.52mm

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