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3 years ago

How to study thermodynamics?

2 answers:

8 0

Thermodynamics is one of the few engineering courses that I would say are more conceptual than computaional. I can not emphasise how important it is to fully understand thermodynamic terminology and process. Once you understand those any problems can be easily worked out.

What I recommend is that you go through you thermodynamics book and read it carefully highlighting the important points and summarizing them in a spare notebook. The first few chapters are full of indroductory concepts such as the state of a system, processes, closed and open systems, etc. That I reccomend you memorize(with understanding ofcourse) as these are carried on all throughout.

As chapters get more complex I recommend flow charts and mind maps with as much condensed information as possible.
Hope this helps <3
Help me and mark as brainliest plz

expeople1 [14]3 years ago

7 0

It is study of the relationships between heat, temprature, work and energy

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Calculate the volume of a hydraulic accumulator capable of delivering 5 liters of oil between 180 and 80 bar, using as a preload

Vinil7 [7]

Answer:

1) $V_o = 10 liters$

2) $V_o = 12.26 liters$

Explanation:

For isothermal process n =1

$V_o =\frac{\Delta V}{(\frac{p_o}{p_1})^{1/n} -(\frac{p_o}{p_2})^{1/n}}$

$V_o = \frac{5}{[\frac{72}{80}]^{1/1} -[\frac{72}{180}]^{1/1}}$

$V_o = 10 liters$

calculate pressure ratio to determine correction factor

$\frac{p_2}{p_1} =\frac{180}{80} = 2.25$

correction factor for calculate dpressure ration for isothermal process is

c1 = 1.03

$actual \ volume = c1\times 10 = 10.3 liters$

b) for adiabatic process

n =1.4

volume of hydraulic accumulator is given as

$V_o =\frac{\Delta V}{[\frac{p_o}{p_1}]^{1/n} -[\frac{p_o}{p_2}]^{1/n}}$

$V_o = \frac{5}{[\frac{72}{80}]^{1/1.4} -[\frac{72}{180}]^{1/1.4}}$

$V_o = 12.26 liters$

calculate pressure ratio to determine correction factor

$\frac{p_2}{p_1} =\frac{180}{80} = 2.25$

correction factor for calculate dpressure ration for isothermal process is

c1 = 1.15

$actual \volume = c1\times 10 = 11.5 liters$

8 0

3 years ago

How many watts does a microwave run on

zmey [24]

Answer:

a regular sized microwave will use 850 to 1800 watts depending on the model. An average modern microwave will use around 1200 watts.

Explanation:

3 0

3 years ago

Read 2 more answers

Help please all of the numbers b4 the equal sign are wrong

Nostrana [21]

Answer:

3/5" = 12'
1 3/4" = 35'
1 1/4" = 25'
9/10" = 18'
2 13/20" = 53'

Explanation:

One number is wrong; they all lack units.

The basic ratio is 1" = 20', so you can divide feet by 20 to find inches.

3/5" = 12'
1 3/4" = 35'
1 1/4" = 25'
9/10" = 18'
2 13/20" = 53'

Perhaps you want decimal inches:

0.60" = 12'
1.75" = 35'
1.25" = 25'
0.90" = 18'
2.65" = 53'

7 0

3 years ago

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Answer:

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Explanation: Because ngubduykrtvytiudhurthgvniuonssdf

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3 years ago

The anchor shown is used to tie tower guy cables to the ground and is supported by a distributed force from the soil, which can

ahrayia [7]

Answer:

See attachment for complete answer step by step solving

Explanation:

Given that:

The anchor shown is used to tie tower guy cables to the ground and is supported by a distributed force from the soil, which can be approximated as shown. The anchor also is subjected to the loads shown, where P1 = 5 kNand P2 = 3 kN . The anchor is made from aluminum with E = 69 GPa . It is a cylindrical rod with diameter d1 = 4 cm with three segments of length L = 2 m . One end of the rod is linearly tapered to a diameter of d2 = 2 cm.

a. Calculate the intensity of the reaction load, Po

b. Use the reaction found in Part A, po = 13 kN/m , and calculate the total change in length for the anchor.

5 0

3 years ago

How to study thermodynamics?​

How to study thermodynamics?