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RUDIKE [14]
4 years ago
8

Draw and write shear strain equation

Engineering
1 answer:
Alchen [17]4 years ago
5 0

Answer:

\phi =\dfrac{\Delta L}{h}

Explanation:

Normal strain :

 It is the ratio of deformation to the original dimension.Normal strain occurs due to longitudinal force.

 Normal strain = ΔL/L

Shear strain:

It is the ratio of deformation to perpendicular dimension.Shear strain occurs due to tangential force.

From the second diagram:

tan\phi =\dfrac{\Delta L}{h}

if angle Φ is small then we can write

tan\phi =\phi

So

\phi =\dfrac{\Delta L}{h}

This is the shear strain equation.

 

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What does a peak flow meter allow you to assess?
Alex Ar [27]

Answer:

  peak flow and any engineering considerations related thereto

Explanation:

It should be no surprise that a peak flow meter will report peak flow, sometimes with important maximum-value, time-constant, or bandwidth limitations. There are many engineering issues related to flow rates. A peak flow meter can allow you to assess those issues with respect to the flows actually encountered.

Peak flow can allow you to assess adequacy of flow and whether there may be blockages or impediments to flow that reduce peak levels below expected values. An appropriate peak flow meter can help you assess the length of time that peak flow can be maintained, and whether that delivers sufficient volume.

It can also allow you to assess whether appropriate accommodation is made for unexpectedly high flow rates. (Are buffers or overflow tanks of sufficient size? Is there adequate protection against possible erosion? Is there adequate support where flow changes direction?)

3 0
4 years ago
An inside measurement can be taken with a tape measure by
Cerrena [4.2K]

This is about method of taking inside measurement with a tape.

<u><em>Option A is the correct answer.</em></u>

  • Inside measurement is usually taken with the aid of an inside micrometer. This will give us an exact measurement. This is because when making use of an inside micrometer for inside measurement, the total length of the inside micrometer is equal to the overall length of whatever is being measured.

  • We have seen how the inside micrometer is used whereby the entire body is also included in whatever is being measured. Applying this same concept to using a tape, we can simply say that we will add the tape length to the measuring case to get the inside measurement.

  • From the definitions and comparisons above, we can see that we will have to add the length of the tape measure case when taking inside measurements and other options aside Option A are not correct.

Read more at; brainly.com/question/12709703

3 0
3 years ago
Which of the following is an example of a new and emerging job in the green economy?(Brainliest for who answers)
grigory [225]

Answer: Fergie is a consultant specializing in deriving commercial power from waves and tides.

Explanation:

The green economy the economy that has the goal of minimizing environmental risks while aiming for the sustainable development of the economy without having a negative effect on the environment.

According to the Bureau of Labor Statistics, some categories of Green Jobs are Water conservation, environmental remediation, wind energy, solar power, energy auditors, recycling etc.

Out of the options given in the question, an example of a new and emerging job in the green economy is option D "Fergie is a consultant specializing in deriving commercial power from waves and tides".

5 0
3 years ago
Read 2 more answers
The thermal conductivity of a solid depends upon the solid’s temperature as k = a T+b where a and b are constants. The temperatu
Alexandra [31]

Answer:

Answer is Option (e) - None of these

Explanation:

The step by step derivation from the fourier's law of heat conduction is as shown in the attachment below.

Where K = thermal conductivity

7 0
4 years ago
The roof of a refrigerated truck compartment consists of a layer of foamed urethane insulation (t2 = 21 mm, ki = 0.026 W/m K) be
lakkis [162]

Answer:

Tso = 28.15°C

Explanation:

given data

t2 = 21 mm

ki = 0.026 W/m K

t1 = 9 mm

kp = 180 W/m K

length of the roof is L = 13 m

net solar radiation into the roof = 107 W/m²

temperature of the inner surface Ts,i = -4°C

air temperature is T[infinity] = 29°C

convective heat transfer coefficient h = 47 W/m² K

solution

As when energy on the outer surface at roof of a refrigerated truck that is balance as

Q = \frac{T \infty - T si }{\frac{1}{hA}+\frac{t1}{AKp}+\frac{t2}{AKi}+\frac{t1}{aKp}}       .....................1

Q = \frac{T \infty - Tso}{\frac{1}{hA}}                         .....................2

now we compare both equation 1 and 2 and put here value

\frac{29-(-4)}{\frac{1}{47}+\frac{2\times0.009}{180}+\frac{0.021}{0.026}} = \frac{29-Tso}{\frac{1}{47}}            

solve it and we get

Tso = 28.153113

so Tso = 28.15°C

3 0
3 years ago
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