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andrezito [222]
2 years ago
9

Do plastic materials have high or low ductility? Explain why.​

Engineering
1 answer:
Flura [38]2 years ago
3 0
The impact behavior of plastic materials is strongly dependent upon the temperature. At high temperatures, materials are more ductile and have high impact toughness. At low temperatures, some plastics that would be ductile at room temperature become brittle.
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To produce cooling the refrigerant much
lawyer [7]
Yes that is correct good job ❤️
7 0
3 years ago
Darin cheers at a football game when his hometown team scores, and his Dad gives him a high five. Darin later begins cheering wi
Kruka [31]

Answer:

generalizing

Explanation:

We all have a generalization system that operates as an autopilot, allowing us to be fast and consistent with our own identity. Thanks to these we package and label all the information with which we are bombed every second, to immediately think and act.

Otherwise, if we pay attention to each data individually, however tiny, every minute of our lives would become an exhausting and extremely slow process of analyzing and digesting, leaving us so overloaded to the point of collapse and not being able to function more mentally.

4 0
2 years ago
An ideal gas goes through an expansion process where the volume of the gas doubles. Which process will lead to a larger work out
KatRina [158]

Answer:

The correct answer is: The process equation is PV^n=C

Explanation:

The isothermal process drops the pressure slower with n=1 and region beneath the curve is smaller then, meanwhile the polytropic process with n=1.25 gets to drop the pressure faster than isothermal.

4 0
3 years ago
When shutting down your computer yesterday, you received a notice that you had a pending update, so you allowed the computer to
aivan3 [116]

Answer:

a. SATA cable

Explanation:

A troubleshooting process could be as follows:

  1. <em>The Power supply</em> is working since it is possible to receive the <em>error message</em>.
  2. With no <em>OS available</em> is not possible to 'roll back the Windows update'.

Then, two alternatives remain:

  1. SATA cable.
  2. Hard drive.

In the reliability configuration of the components, <em>the hard drive depends on the SATA cable to work properly. </em>A faulty SATA cable would prevent the hard drive to work correctly. Then,<em> </em>a loosely SATA cable is the first thing to check before proceeding with the hard disk.

Additionally, a loosely SATA cable is also a common source of error messages like "OS not found" and it would be easier step to be discarded before continuing with a more demanding one like checking the hard drive.

6 0
3 years ago
The driveshaft of an automobile is being designed to transmit 134 hp at 2900 rpm. Determine the minimum diameter d required for
Misha Larkins [42]

Answer:

The minimum diameter is 1.344 in

Explanation:

The angular speed of the driveshaft is equal to:

w=\frac{2\pi N}{60}

Where

N = rotational speed of the driveshaft = 2900 rpm

w=\frac{2\pi *2900}{60} =303.69rad/s

The torque in the driveshaft is equal to:

\tau=\frac{P}{w}

Where

P = power transmitted by the driveshaft = 134 hp = 73700 lb*ft/s

\tau=\frac{73700}{303.69}  =242.68lb*ft

The minimum diameter is equal to:

d_{min} =(\frac{16T}{\pi *\tau } )^{1/3}

Where

T = shear stress = 6100 psi

τ = 242.68 lb*ft = 2912.16 lb*in

d_{min} =(\frac{16*2912.16}{\pi *6100} )^{1/3} =1.344in

4 0
3 years ago
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