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Arada [10]
3 years ago
5

ATTENTION ALL BRAINLY USERS!!

Engineering
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

ANSWER  

"Sir Yes Sir"!!!!

Explanation:

thank you for telling me that i have had people answer my question with a length and same happened to other peoples pages

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piston-cylinder assembly contains water vapor, initially at 10 bar and 360 degC. The water undergoes a process where pv=constant
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Answer:

Check the explanation

Explanation:

A diagrams showing the process in p-v and T-s and the Model engineering <u><em>(which is the quest in constructing miniature working representations of proportionally-scaled in full-sized machines. It is a subdivision of metalworking with a sharp importance on artisanry, in contrast to mass production.)</em></u> can be seen in the attached images below.

3 0
3 years ago
4. Lockout/tagout (LOTO) is a safety procedure that ensures dangerous machines are properly shut off and not started up again pr
klemol [59]

Answer:true

Explanation:

5 0
4 years ago
Match the benefit of full synthetic oil with engine conditions: All engines
mart [117]

Answer:

1. All engines  exhibit wear over time ⇒ <em>Synthetic Improves engine protection by resisting oil breakdown.</em>

Synthetic oil does not breakdown so easily which means that it protects the engine more and protects it from wearing.

2. Engines are cold at start-up and not while running ⇒ <em> Synthetic provides maximum protection in extreme hot and cold temperature conditions.</em>

By providing protection for the engine during cold and hot conditions, the engine will not be too cold when the car is started up.

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Part of the characteristics of synthetic oil is that it does not get as thick as regular oil which means that the adverse effects of thick oil are spared on the engine.

7 0
3 years ago
1. The sine rule is used when we are given either a) two angles and one side, or b) two sides and a non-included angle.
sammy [17]

Answer:

A. Yes

B. Yes

Explanation:

We want to evaluate the validity of the given assertions.

1. The first statement is true

The sine rule stipulates that the ratio of a side and the sine of the angle facing the side is a constant for all sides of the triangle.

Hence, to use it, it’s either we have two sides and an angle and we are tasked with calculating the value of the non given side

Or

We have two angles and a side and we want to calculate the value of the side provided we have the angle facing this side in question.

For notation purposes;

We can express the it for a triangle having three sides a, b, c and angles A,B, C with each lower case letter being the side that faces its corresponding big letter angles

a/Sin A = b/Sin B = c/Sin C

2. The cosine rule looks like the Pythagoras’s theorem in notation but has a subtraction extension that multiplies two times the product of the other two sides and the cosine of the angle facing the side we want to calculate

So let’s say we want to calculate the side a in a triangle of sides a, b , c and we have the angle facing the side A

That would be;

a^2 = b^2 + c^2 -2bcCosA

So yes, the cosine rule can be used for the scenario above

3 0
3 years ago
The pressure and temperature at the beginning of compression of a cold air-standard Diesel cycle are 100 kPa and 300K, respectiv
hram777 [196]

Answer:

Cut off ratio=2.38

Explanation:

Given that

T_1=300K

P_1=100KPa

P_2=P_3=7200KPa

T_3=2250K

Lets take T_1 is the temperature at the end of compression process

For air γ=1.4

\dfrac{T_2}{T_1}=\left(\dfrac{P_2}{P_1}\right)^{\dfrac{\gamma -1}{\gamma}}

\dfrac{T_2}{300}=\left(\dfrac{7200}{100}\right)^{\dfrac{1.4-1}{1.4}}

T_2=1070K

At constant pressure

\dfrac{T_3}{T_2}=\dfrac{V_3}{V_2}

\dfrac{2550}{1070}=\dfrac{V_3}{V_2}

\dfrac{V_3}{V_2}=2.83

So cut off ratio

cut\ off\ ratio =\dfrac{V_3}{V_2}

Cut off ratio=2.38

6 0
4 years ago
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