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NARA [144]
4 years ago
5

Which substance(s) have no fixed shape and no fixed volume?

Engineering
2 answers:
Black_prince [1.1K]4 years ago
5 0

Answer:

I think gas substances

stiks02 [169]4 years ago
4 0

Answer:

Gas substances have no fixed shape or volume.

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What is the different between isometric view and isometric projection
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All the dimensions in the isometric drawing are actual while when in the Isometric projection due to this it has to be the isometric scale is to be used.

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2 years ago
3 MAOP stands for which of the following?
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Explanation:

3 0
3 years ago
The variation of the pressure of a fluid with density at constant temperature is known as the _____.
qaws [65]

The variation of the pressure of a fluid with density at constant temperature is known as the coefficient of compressibility.

<h3>What is a compressor?</h3>

A compressor can be defined as a mechanical device that is designed and developed to provide power to refrigerators, air conditioners, and other heating or cooling mechanical devices (engines), especially by increasing the pressure on air or other applicable gases.

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7 0
2 years ago
Why do bridges collapse?
Reika [66]

Hi! bridges could have been collapse due to an error made by the engineers during construction.

8 0
3 years ago
Read 2 more answers
The conditions at the beginning of compression in an Otto engine operating on hot-air standard with k=1.35 and 101.325 kPa, 0.05
Katyanochek1 [597]

Answer:

P_m=181.42 KPa

Explanation:

P_1=101.325 KPa,V_1=0.05m^3,T_1=32C,K=1.35

Clearance is 8%.

Heat added=15 KJ

We know that compression ratio r=1+\dfrac{1}{C}

r=1+\dfrac{1}{0.08}  

r=13.5

r=\dfrac{V_1}{V_2}

13.5=\dfrac{0.05}{V_2}

V_2=3.7\times 10^{-3}

We know that efficiency of otto cycle

\eta =1-\dfrac{1}{r^{k-1}}

\eta =1-\dfrac{1}{13.5^{1.35-1}}

\eta =0.56

\eta =\dfrac{W}{Q}

W is the work out put and Q is the heat addition.

0.56 =\dfrac{W}{15}

W=8.4 KJ

We know that Work =Mean effective pressure x swept volume.

Here swept volume V_s=V_1-V_2

V_s=0.05-3.7\times 10^{-3}

V_s=0.0463 m^3

Noe by putting the values

Work =Mean effective pressure x swept volume.

8.4=P_m\times 0.0463

P_m=181.42 KPa

6 0
3 years ago
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