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kap26 [50]
3 years ago
7

A full visual analysis would require that a product be dismantled completely so that all of its components can be described.

Engineering
1 answer:
Schach [20]3 years ago
6 0
True, you need to be able to see all parts of the object to visualize it
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What are three demonstration drive tips for the vc-turbo engine?.
Oliga [24]

The three (3) demonstration drive tips for a VC-turbo engine are:

  1. Use your gears when overtaking and driving up a long hill.
  2. Warm up your engine before accelerating.
  3. Ensure your oil level is at the optimum gauge or level.

<h3>What is a VC-turbo engine?</h3>

A VC-turbo engine can be defined as a technologically-advanced internal combustion engine that is design and developed to be faster, especially by combining the torque and efficiency of an advanced diesel powertrain with the power of a high-performance gas engine.

<h3>The demonstration drive tips.</h3>

Basically, the three (3) demonstration drive tips for a VC-turbo engine include the following:

  1. Use your gears when overtaking and driving up a long hill.
  2. Warm up your engine before accelerating.
  3. Ensure your oil level is at the optimum gauge or level.

Read more on drive tips here: brainly.com/question/23968178

4 0
3 years ago
Do plastic materials have high or low ductility? Explain why.​
Flura [38]
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.
3 0
3 years ago
A 900 kg car is accelerated from a speed of 10 m/s to 30 m/s. An estimated heat loss of 20 BTU's occurs during the acceleration.
Strike441 [17]

Answer:

Work = 651,1011 kJ

Explanation:

Let´s take the car as a system in order to apply the first law of thermodynamics as follows:

E_{in}- E_{out}=E_{system,final}- E_{system,initial}

Where

E_{in}- E_{out}=(Q_{in}-Q_{out})_{heat}+(W_{in}-W_{out})_{work}+(Em_{in}-Em_{out})_{mass}

And considering that there is no mass transfer and that the only energy flows that interact with the system are the heat losses and the work needed to move the car we have:

E_{in}- E_{out}=-Q_{out}+W_{in}

Regarding the energy system we have the following:

E_{system,final}- E_{system,initial}=(U_{f}-U_{i})_{internal}+(1/2m(V^2_{f}-V^2_{i}))_{kinetic}+(mg(h_{f}-h_{i}))_{potential}

By doing the calculations we have:

E_{system,final}- E_{system,initial}=[0,1*900]_{internal}+[0,5*900(30^2-10^2)/1000)_{kinetic}+(900*10*(20-0)/1000)_{potential}\\E_{system,final}- E_{system,initial}=90+360+180=630kJ

Consider that in the previous calculation, the kinetic and potential energy terms were divided by 1.000 to change the units from J to kJ.

Finally, the work needed to move the car under the required conditions is calculated as follows:

W_{in}=Q_{out}+E_{system,final}- E_{system,initial}\\W_{in}=21,1011+630=651,1011kJ

Consider that in the previous calculation, the heat loss was changed previously from BTU to kJ.

4 0
3 years ago
The larger the Bi number, the more accurate the lumped system analysis. a)-True b)- False
mrs_skeptik [129]

Answer:

b). False

Explanation:

Lumped body analysis :

Lumped body analysis states that some bodies during heat transfer process remains uniform at all times. The temperature of these bodies is a function of temperature only. Therefor the heat transfer analysis based on such idea is called lumped body analysis.

                      Biot number is a dimensionless number which governs the heat transfer rate for a lumped body. Biot number is defined as the ratio of the convection transfer at the surface of the body to the conduction inside the body. the temperature difference will be uniform only when the Biot number is nearly equal to zero.  

                      The lumped body analysis assumes that there exists a uniform temperature distribution within the body. This means that the  conduction heat resistance should be zero. Thus the lumped body analysis is exact when biot number is zero.

In general it is assume that for a lumped body analysis, Biot number \leq 0.1

Therefore, the smaller the Biot number, the more exact is the lumped system analysis.

7 0
3 years ago
16. A circular swimming pool has a diameter of 1818m. The sides are 33m high and the depth of the water is 2.52.5m. How much wor
fomenos

Answer:

Explanation:

Radius ( r ) = 9 m

Volume = πr²h

= 3.14 x 9² x 2.5

= 635.85 m³

mass m = 635.85 x 10³

height by which centre of mass is raised

= (33 - 2.5/2 )

= 31.75 m

work done

= mgh

=  635.85 x 10³x 9.8 x 31.75

= 197.84 x 10⁶J

4 0
3 years ago
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