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natali 33 [55]
4 years ago
5

The author claims that engineers should always have the final say and last word when it comes to setting safety standards. Selec

t one True False
Engineering
2 answers:
Lisa [10]4 years ago
4 0

Answer:

I select false because engineers are not the only thing we have, we have scientists doctors mathematicians and much more to give safety standards

defon4 years ago
4 0

Answer:

False.

Explanation:

Even though engineers are designing their buildings and products to meet safety expectations, things can go wrong, and engineers should never be allowed to have final say. That is the main reason why we have safety inspectors, and are able to live our lives safer today. If there were no second checks on different things, if one were to fail, we would know it for certain to be the engineer, and he does not want to take the blame, (and possibly a lawsuit), that may appear after the accident. If we want maximum safety, we ensure that there are many more people who prepare and examine products closely from time to time.

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A rod that was originally 100-cm-long experiences a strain of 82%. What is the new length of the rod?
Ierofanga [76]

Answer: (b)

Explanation:

Given

Original length of the rod is L=100\ cm

Strain experienced is \epsilon=82\%=0.82

Strain is the ratio of the change in length to the original length

\Rightarrow \epsilon =\dfrac{\Delta L}{L}\\\\\Rightarrow 0.82=\dfrac{\Delta L}{100}\\\\\Rightarrow \Delta L=82\ cm

Therefore, new length is given by (Considering the load is tensile in nature)

\Rightarrow L'=\Delta L+L\\\Rightarrow L'=82+100=182\ cm

Thus, option (b) is correct.

8 0
3 years ago
The rectangular frame is composed of four perimeter two-force members and two cables AC and BD which are incapable of supporting
Rama09 [41]

Answer:

Your question is lacking some information attached is the missing part and the solution

A) AB = AD = BD = 0, BC = LC

    AC = \frac{5L}{3}T, CD = \frac{4L}{3} C

B) AB = AD = BC = BD = 0

   AC = \frac{5L}{3} T, CD = \frac{4L}{3} C

Explanation:

A) Forces in all members due to the load L in position A

assuming that BD goes slack from an inspection of Joint B

AB = 0 and BC = LC from Joint D, AD = 0 and CD = 4L/3 C

B) steps to arrive to the answer is attached below

AB = AD = BC = BD = 0

AC = \frac{5L}{3} T,  CD = \frac{4L}{3}C

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4 years ago
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It is going backwards fast, then it is going backwards slowly.

<u>Explanation:</u>

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