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gogolik [260]
3 years ago
6

Do yall ever get that multiple choice test where it says select the right answer and so you are pressured into getting the right

one and then when you bring home the test and show your parents it and they ask you why you got it wrong and you say " i didn't follow the directions."?
Engineering
2 answers:
Darina [25.2K]3 years ago
6 0
Yes It sucks I’m sorry
FrozenT [24]3 years ago
5 0

Answer:

yes

Explanation:

and its annoying a-f

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Two stepped bar is supported at both ends.At the join point of two segments,the force F is applied(downwards).Calculate reactive
nlexa [21]

Answer:

F=200kN

Explanation:

8 0
3 years ago
Which is/are not a mechanism commonly associated with tool wear (mark all that apply)?a. Adhesion b. Attrition c. Abrasion d. Co
butalik [34]

Answer: d)Coercion

Explanation:Tool wear is defined as the situation when the cutting tool is subjected to the regular process of cutting metal then they tend to wear because of the continuous action of cutting and facing stresses and pressure . The mechanism that does not happen during this process are coercion that means the process of exerting forces on any material forcefully against the will or need. Therefore, adhesion,attrition and abrasion are the process of tool wear .So the correct option is (d)

5 0
3 years ago
True/False
kvv77 [185]

Answer:true

Explanation:

4 0
2 years ago
The volume of 1.5 kg of helium in a frictionless piston-cylinder device is initially 6 m3. Now, helium is compressed to 2 m3 whi
coldgirl [10]

Answer:

The initial temperature will be "385.1°K" as well as final will be "128.3°K".

Explanation:

The given values are:

Helium's initial volume, v₁ = 6 m³

Mass, m = 1.5 kg

Final volume, v₂ = 2 m³

Pressure, P = 200 kPa

As we know,

Work, W=p(v_{2}-v_{1})

On putting the estimated values, we get

⇒            =200000(2-6)

⇒            =200000\times (-4)

⇒            =800,000 \ N.m

Now,

Gas ideal equation will be:

⇒  pv_{1}=mRT_{1}

On putting the values. we get

⇒  200000\times 6=1.5\times 2077\times T_{1}

⇒  T_{1}=\frac{1200000}{3115.5}

⇒       =385.1^{\circ}K (Initial temperature of helium)

and,

⇒  pv_{2}=mRT_{2}

On putting the values, we get

⇒  200000\times 2=1.5\times 2077\times T_{2}

⇒  T_{2}=\frac{400000}{3115.5}

⇒       =128.3^{\circ}K (Final temperature of helium)

3 0
3 years ago
What are the factors that influence the amount of elastic energy in an object? Select all
Arte-miy333 [17]

Answer:the answer is A B and C

A B and C

The more compact the body, the less friction, and the more mass the mass must have friction.

7 0
3 years ago
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