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4 years ago

Use the drop-down menus to choose the correct term or words to complete the statements.

Engineering

1 answer:

aleksklad [387]4 years ago

7 0

Explanation:

Search PubMed v use drop down menu and choose MeSH MeSH term: select MeSH ... Tree) Use Links (right side of screen) to return to PubMed and complete the search (Default): ...

Iven Klineberg, ‎Diana Kingston - 2012 -

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Zanzabum

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3 years ago

A circular bar is 800mm in length and 32mm in diameter. The bar is made from a material with a modulus of elasticity E = 150 GPa

Yuki888 [10]

Answer:

For any material if ∈ is the axial strain then the lateral strain is given by -μ∈ is the lateral strain in the object

Where,

μ is the poisson's ratio of the material

The longitudinal strain is calculated as follows

$\varepsilon _{axial}=\frac{\Delta length}{Length_{original}}\\\\\therefore \varepsilon _{axial}=\frac{0.7}{800}=8.75\times 10^{-4}$

Thus the lateral strain becomes

$\varepsilon _{lateral}=-\mu\varepsilon _{axial}\\\\\varepsilon _{lateral}=-0.27\times 8.75\times 10^{-4}=-2.36\times 10^{-4}$

now by definition of lateral strain we have

$\varepsilon _{lateral}=\frac{\Delta diameter}{diameter_{original}}\\\\\Rightarrow \Delta Diameter=-2.36\times 10^{-4}\times 32=-7.56\times 10^{-3}\\\\D_{f}-D_{i}=-7.56\times 10^{-3}\\\\D_{f}=32-7.56\times 10^{-3}=31.992mm$

By hookes law the stress developed due to the given strain is given by

$\sigma =\varepsilon _{axial}E$

Applying values we get

$\sigma =8.75\times 10^{-4}\times 150\times 10^{9}\\\\\sigma =131.25MPa$

Thus the force is calculated as

$Force=\sigma \times Area\\\\Force=131.25\times 10^{6}\times \frac{\pi (32\times 10^{-3})^{4}}{4}\\\\Force=105.55kN$

5 0

3 years ago

4. Porcelain enamel is sometimes referred to as A. "glass lining" B. kaolin C. vitreous enamel D. Both A and C.

Likurg_2 [28]

The answer is Both A and C. It is also known as glass lining and vitreous enamel.

Explanation:

Porcelain enamel is sometimes referred to as glass lining and vitreous enamel. It is a thin layer of ceramic or glass applied to a substrate of metal, which is used to protect surfaces from chemical attack and physical damage.

They can modify the structural characteristics of the substrate and improve the appearance of the product.

Porcelain enamel coating is used in applications like smooth, very durable, scratch and chemical resistant coating is needed. Industrial porcelain enamel is also known as glass lining are used in industrial rather than artistic and applications.

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3 years ago

True or False - Blueprints can be drawn both by hand and on a computer

Orlov [11]

Answer:

The answer is true.

Explanation:

Most of it is done in computer, but it can also be drawn out by hand.

6 0

3 years ago

Read 2 more answers

Ok there........................................................................

Juliette [100K]

Answer:

ok THERE

Explanation:

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3 years ago