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satela [25.4K]
3 years ago
14

What other ways could a wildfire be contained, extinguished, or slowed down?

Engineering
1 answer:
galben [10]3 years ago
3 0
Back burning, starting fires infront of the main fire to prevent the fire from spreading and depleting fuel for the fire, digging trenches so the fire has no where to go, dropping water from planes or helicopters.
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it creates parts from thin plastic sheets as opposed to plastic pellets. is it 1. Pickling 2. Thermoforming 3. Extrusion​
iVinArrow [24]

Answer:

thermoforming

Explanation:

please mark this answer as the brainlest

4 0
3 years ago
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In no less than one hundred fifty words, explain how microstructures reduce friction within fluid power systems. Mention some of
Cerrena [4.2K]

Micro structure can be used to reduce friction and slipping of a smooth surface becoming possible to hold on.

<u>Explanation:</u>

Micro structure is a structure which is very fine and small. It can be made visible if it is seen with the help if a micro scope. It can not be seen other wise directly through the eyes because it is very small is size not becoming visible to the eyes.

These even though are very small is size can be helped to increase the friction on a smooth surface and reduce the slipping of the object off the smooth surface. This will lead to no hurting of the person off a smooth surface.

6 0
4 years ago
The application of technology results in human-made things called
Sergio039 [100]

Answer:

Internet of things

Explanation:

This is a good example where the application of technology results are applied to human made things.

Internet of things (IOT), involves the application of one technology results–the internet, embedded into devices such as refrigerator, television etc so as to send and receive data (digital instructions). Such applications of technology results has revolutionized the way we use "human made things".

8 0
4 years ago
Design a half-wave recti er which provides a peak voltage of 15 V, and anaverage voltage of 3.8 V when driven by a 120 V (rms) a
nirvana33 [79]

Answer:

You need a 120V to 24V commercial transformer  (transformer 1:5), a 100 ohms resistance, a 1.5 K ohms resistance and a diode with a minimum forward current of 20 mA (could be 1N4148)

Step by step design:

  1. Because you have a 120V AC voltage supply you need an efficient way to reduce that voltage as much as possible before passing to the rectifier, for that I recommend a standard 120V to 24V transformer.  120 Vrms = 85 V and 24 Vrms = 17V = Vin
  2. Because 17V is not 15V you still need a voltage divider to step down that voltage, for that we use R1 = 100Ω and R2 = 1.3KΩ. You need to remember that more than 1 V is going to be in the diode, so for our calculation we need to consider it. Vf = (V*R2)/(R1+R2), V = Vin - 1 = 17-1 = 16V and Vf = 15, Choosing a fix resistance R1 = 100Ω and solving the equation we find R2 = 1.5KΩ
  3. Finally to select the diode you need to calculate two times the maximum current and that would be the forward current (If) of your diode. Imax = Vf/R2 = 10mA and If = 2*Imax = 20mA

Our circuit meet the average voltage (Va) specification:

Va = (15)/(pi) = 4.77V considering the diode voltage or 3.77V without considering it

6 0
4 years ago
Argue the importance to society of incorporating green building into an engineer's designs, with at least two examples.
stellarik [79]

Answer:

Green Design is your answer

Explanation:

4 0
3 years ago
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