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oksano4ka [1.4K]
3 years ago
6

7. The systematic application of managers' knowledge, logic, quantitative

Engineering
1 answer:
Anit [1.1K]3 years ago
3 0
Igxgocyocoychocoycoyvpjvpvohvouchcljcoh
sorry i need the 5 points
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The dc machine of Problem 7.4 is to be operated as a motor supplied by a constant armature terminal voltage of 250 V. If saturat
notka56 [123]

Answer: If saturation effects are ignored, the magnetization curve of Fig. 7.27 becomes a straight line with a constant slope of 150 volts per ampere of field current.

Explanation:

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3 years ago
I’m bored let’s text
Nuetrik [128]

Answer:

<em>hi</em><em> </em><em>sa</em><em>m</em><em>e</em><em> </em><em>here</em><em>.</em><em> </em><em>hru</em><em> </em><em>btw</em>

<em>안녕하세요 모두가 잘되기를 바랍니다. 안전 유지</em>

3 0
3 years ago
Read 2 more answers
Two very long concentric cylinders of diameters D1 = 0.42 m and D2 = 0.5 m are maintained at uniform temperatures of T1 = 950 K
MrRa [10]

Answer:

Q=33.34 KW/m

Explanation:

Given that

D₁=0.42 m

A₁= π D₁ L

For unit length

A₁= π D₁ = 0.42 π m²

D₂=0.5 m

A₂= 0.5 π m²

ε₁= 1 ,ε₂= 0.55

T₁=950 K  ,T₂ = 500 K

Q=\dfrac{\sigma (T_1^4-T_2^4)}{\dfrac{1-\varepsilon _1}{A_1\epsilon _1}+\dfrac{1-\varepsilon _2}{A_2\epsilon _2}+\dfrac{1}{A_1F_{12}}}

F₁₁+F₁₂= 1

F₁₁= 0

So, F₁₂= 1

Q=A_1\dfrac{\sigma (T_1^4-T_2^4)}{\dfrac{1-\varepsilon _1}{\epsilon _1}+A_1\dfrac{1-\varepsilon _2}{A_2\epsilon _2}+1}

Q=0.42\pi \dfrac{5.67\times 10^{-8}(950^4-500^4)}{\dfrac{1-1}{1}+0.42\pi\times \dfrac{1-0.55}{0.5\pi\times 0.55}+1}

Q=33.34 KW/m

3 0
4 years ago
If electrons have a path to follow, they will flow to a area with charge
Natali [406]

Answer:

Hello there, the question is not complete, but not to worry you can check the explanation section to check how you can  solve a similar question or to be be able to solve the exact question directly.

Explanation:

The flow of electrons is what is known or refer to as Current. When energy is used on a nuclei, the electrons are forced to move from one position to the other. The direction of flow of electron is from the negative terminal which then moves to the positive terminal.

Therefore, it can be said that the positive charge determines the direction of electron flow. The starting point is the negative terminal, in which it will now move in the direction in which the positive terminal is.                    

5 0
4 years ago
What website is the bets for paper planes ?
poizon [28]

Answer:

https://www.origamiway.com/paper-airplane-instructions.shtml

Explanation:

This is a more personal preference, so at the end of the day it is what works best for you :D

Hope this helps!

3 0
4 years ago
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