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Lunna [17]
3 years ago
9

Water flow enters a pipe at a velocity of 1m/s. The pipe inlet is 10cm. The pipe outlet is 6cm. 1. Determine the velocity of the

exiting stream
Engineering
1 answer:
devlian [24]3 years ago
5 0
他百五十幾個星期了吧在這些時候才是真正的問題 這種
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I DONT KNOW OKAY UGHHH
6 0
3 years ago
A furnace wall is to be built of 20-cm firebrick and building (structural) brick of same thickness. The thermal conductivities o
Norma-Jean [14]

Answer:

q=2313.04W/m^2

T=690.86°C

Explanation:

Given that

Thickness t= 20 cm

Thermal conductivity of firebrick= 1.6 W/m.K

Thermal conductivity of structural brick= 0.7 W/m.K

Inner temperature of firebrick=980°C

Outer temperature of structural brick =30°C

We know that thermal resistance

R=\dfrac{t}{KA}

These are connect in series

R=\left(\dfrac{t}{KA}\right)_{fire}+\left(\dfrac{t}{KA}\right)_{struc}

R=\dfrac{0.2}{1.6A}+\dfrac{0.2}{0.7A}\ K/W

R=\dfrac{23}{56A}\ K/W

Heat transfer

Q=\dfrac{\Delta T}{R}

Q=56A\times \dfrac{980-30}{23}\ W

So heat flux

q=2313.04W/m^2

Lets temperature between interface is T

Now by equating heat in both bricks

\dfrac{980-T}{\dfrac{0.2}{1.6A}}=\dfrac{T-30}{\dfrac{0.2}{0.7A}}

So T=690.86°C

6 0
3 years ago
Are designed to make it easier for employees to get health and safety Information about
iren [92.7K]

Answer:

what the options

Explanation:

4 0
3 years ago
Which of the following statements about resistance is TRUE?
valentina_108 [34]

Answer:

I think it's the no 3rd

Explanation:

hope this helps

3 0
2 years ago
The inner surface of a hollow cylinder is subjected to tangential and axial stresses of 40,000 and 24,000 psi, respectively. Det
Furkat [3]

Answer:

15,000 psi

Explanation:

The solution / solving is attach below.

5 0
3 years ago
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