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viva [34]
2 years ago
13

Define Plastic vs elastic deformation.

Engineering
1 answer:
Snowcat [4.5K]2 years ago
3 0

Answer:

Plastic deformation, irreversible or permanent. Deformation mode in which the material does not return to its original shape after removing the applied load. This happens because, in plastic deformation, the material undergoes irreversible thermodynamic changes by acquiring greater elastic potential energy.

Elastic deformation, reversible or non-permanent. the body regains its original shape by removing the force that causes the deformation. In this type of deformation, the solid, by varying its tension state and increasing its internal energy in the form of elastic potential energy, only goes through reversible thermodynamic changes.

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What are some constraints related to size, time, or materials? Remember, constraints are limitations, issues, or obstacles.
Sergeeva-Olga [200]

Answer:

too big, too small, deadlines, not enough materials

Explanation:

4 0
3 years ago
What is the thermal energy contained within a cubic kilometre of granite (in barrels of oil equivalent) for every one degree cha
AnnZ [28]

Answer:

348643.34 barrels of oil

Explanation:

Given;

Volume of the granite = 1 km³ = 1000³ m³

Specific heat of granite, C = 790 J/kg.°C

Density of granite = 2700 kg/m³

Energy in 1 barrel of oil = 6.118 × 10⁹ J

For every 1° change in temperature, ΔT = 1°C

Now,

The thermal energy stored is given as;

Thermal energy = mCΔT

where, m is the mass

the mass of 1 km³ of granite = Density × Volume

or

the mass of 1 km³ of granite = 2700 × 1000³ = 27 × 10¹¹ Kg

therefore,

Thermal energy = 27 × 10¹¹ × 790 × 1

or

Thermal energy = 21330 × 10¹¹ J

hence,

the thermal energy in terms of barrels of oil

= Total thermal energy / Energy stored in 1 barrel of oil

= 21330 × 10¹¹ J / ( 6.118 × 10⁹ J per barrel )

= 348643.34 barrels of oil

4 0
3 years ago
The engineer must place a catch basin at the north west corner of the yard of a subdivision lot. The catchment area will be calc
castortr0y [4]

Answer:

A = true.

Explanation:

The statement made in the Question or problem above is TRUE/correct. The term known as " catch basin" is an important and essential part of the drainage system that is should be built in a community(whether housing community, industrial community or commercial community).

The catch basin is very important because it helps in making sure that they act as sieve to get all the dirt such as leaves from water running on the surface(runoffs).

5 0
2 years ago
Technician A says that a seal can be pried out of a bore using a sharp chisel. Technician B says that smaller metal-backed seals
attashe74 [19]

Answer:

The correct answer is letter "C": Both.

Explanation:

Industrial seals are used at interfaces between components to prevent leakage, to maintain heat, and to avoid contamination. The design, construction, and materials they use vary depending on industrial use but the most common are Polytetrafluoroethylene (PTFE), Nitrile Buna Rubber (NBR), and fluorocarbon.

Thus, using a sharp chisel could pry a seal out of a hole and a regular socket can often be used to force smaller metal-backed seals into place. Thus, technicians "A" and "B" are correct.

6 0
3 years ago
Read 2 more answers
What substance does light travel through before putting water in the cup
torisob [31]
Bend surface in water! Hopefully this helps, I looked it up!

6 0
3 years ago
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