3)A steel plant is to be constructed at a site where cooling water can be taken from a groundwater aquifer. It is planned to discharge the used cooling water to a small river. Summer flows and temperatures have historically ranged from 25 to 40 m3/s and 15 to 22 oC, respectively. The TCEQ has set a maximum stream temperature requirement of 25oC below the proposed discharge. Groundwater temperature is known to be constant at 120C. Heat dissipation requirements are 2x108J/s. Determine the maximum groundwater flow rate required to meet TCEQ requirements in water temperature. (4pts)

analyzing building materials???????????? but i can try i think it is analyzing the materials of the building

Answer:

Explanation:

The probability of n bits being in error is 10Cn × p^n, where ...

  10Cn = 10!/(n!(10-n!))

  10C1 = 10

  10C2 = 45

  10C3 = 120

This is the product of the probability that n bits can be in error and the number of ways that n bits can be chosen from the 10 in the word.

  n = 1: 10p

  n = 2: 45p²

  n = 3: 120p³

Answer: the stress is 384 pounds per square inch.

Step-by-step explanation:

Let S represent the stress in the material of the pipe.

Let P represent internal pressure of the pipe.

Let D represent internal diameter of the pipe.

Let T represent the thickness of the pipe.

The stress in the material of a pipe subject to internal pressure varies jointly with the internal pressure and the internal diameter of the pipe and inversely with the thickness of the pipe. Introducing a constant of proportionality, k, the expression becomes

S = kPD/T

The stress is 100 pounds per square inch when the diameter is 5 inches, the thickness is 0.75 inch, and the internal pressure is 25 pounds per square inch. It means that

100 = (k × 25 × 5)/0.75

125k = 100 × 0.75 = 75

k = 75/125 = 0.6

The equation representing the relationship becomes

S = 0.6PD/T

If the internal pressure is 40 pounds per square inch, the diameter is 8 inches and the thickness is 0.50 inch, then the stress would be

S = (0.6 × 40 × 8)/0.5

S = 384

Answer:

Post navigation. The technical excellence of separation achieved in a mineral concentration process, or any other process where two constituents of any kind are physically separated from each other, is expressed uniquely and quantitatively by the Separation Efficiency: Es = (R – Rg)

Explanation:

hope it helps.

A solid line around a component indicates that the component is complete. A dashed line around the component indicates that the component is being shown is not complete.

Answer:

  Quantity B is greater.

Explanation:

Given:

  (x -2y)(x +2y) = 4

  A = x² -4y²

  B = 8

Find:

  the relationship between A and B

Solution:

The given expression can be expanded to give ...

  x(x +2y) -2y(x +2y) = x² +2xy -2xy -4y² = x² -4y²

This is precisely the expression designated as A. Its value is 4.

  4 < 8

  A < B

Quantity B is greater.

RAM is called “random access” because any storage location on the computer can be accessed directly (as opposed to randomly).

Please check all the photos ( answer)

as the public need for preventing injuries and deaths from car crashes became known,laws were enacted to mandate the inclusion of seatbelts in almost all passengers vehicles

Answer:

2.5=1500/Whp=> Whp=600 kWh

delWgain=1500-600=900 kWh

Money saved= 900* 6tk*=5400 tk

Answer: Project STEM

Explanation: Develop a model to illustrate the role of photosynthesis and cellular respiration in the cycling of carbon among the biosphere

Answer:

they are fictional characters featured in video games etc

Answer: Mario and Luigi are game characters, which feature in the Super Mario Maker series, the Paper Mario series, but most notably, the Super Mario Bros. series. Mario debuted in Donkey Kong (1981), while Luigi debuted in Mario Bros (1983, not to be confused with Super Mario Bros, which released two years after Mario Bros).

I would honestly select every one of the given options. Gor a company evaluating this new material it would be very valuable to hit each of these factors.

Answer:

volunteer coordinator

Explanation:

because they are volunteering for that and in most of the cases they do not expect to be paid

Answer:The ripple factor is the ratio between the RMS value of the AC voltage (on the input side) and the DC voltage (on the output side) of the rectifier. The formula for ripple factor is: Which can also be rearranged to equal: The ripple factor of half wave rectifier is equal to 1.21 (i.e. γ = 1.21).

Explanation: i no it

Explanation:

is an example of an electrical device.

Cable

Answer:

To be able to develop as a human and give back to the community. To ensure that people have safe food and water to drink, clean fuel and energy sources, and in general a safe enviornment to live in.

Explanation:

The reasons why someone might choose to study agricultural and biosystems engineering are highly individual and can depend on a variety of factors, such as personal interests, career goals, and educational background.

Many students who decide to study agricultural and biosystems engineering are interested in farming, making food, and sustainable agriculture. They might want to find new ways to make more food or improve how farmers work.

Agricultural and biosystems engineering is a field that focuses on creating systems and processes that are good for the environment.

Students who care about the environment may decide to learn about this subject because it focuses on reducing waste, saving resources, and causing less harm to the environment.

Agricultural and biosystems engineering is a field that combines different areas of knowledge such as biology, chemistry, physics, and computer science. Students who like to work in different subjects might find this field perfect for their interests and abilities.

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Answer:

24cm sureeeereereeeeee

Aprendizajes del buen vivir ya que al compartir con la comunidad y te desarrollas, tu desarrollas otra manera de pensar y adquieres el aprendizaje del buen vivir con todos sin excepción alguna

Además el aprendizaje de experimentar compartir con otras personas que no son tu familia, eso hará que desarrolles el aprendizaje de tus cualidades y en este caso sería la cualidad de la imparcialidad

Answer: A small block A is placed on the disk in its lowest position P at a distance r from the axis when the disk is at rest. The angular velocity

Explanation:

A gas can auto ignite when exposed to a temperature higher than its

autoignition temperature

Temperature ranges gives the maximum exposed surface temperature

allowable of a device that is to be used in a hazardous, atmosphere

To enable end users determine the suitability of a product for a particular

usage, an equipment is put through test in order to classify them according

to temperature of exposed (to the atmosphere) unprotected surface

Whereby the atmosphere is explosive, there is a temperature at which the

it can spontaneously ignite known as the autoignition temperature,

therefore,    it is important to use only equipment that belong to a temperature classification that is less than the auto ignition temperature of the location

The temperature classification can be presented as follows;

[tex]\begin{array}{|c|c|}Class&Surface \ Temperature \ ^{\circ }C\\T1&<450\\T2&<300\\T3&<200\\T4&<135 \\T5&<100\\T6&<85\end{array}[/tex]

The maximum allowable surface temperature of operation of a device

intended for use in an hazardous atmosphere is defined by the

temperature classification, which is also known as the T class

With knowledge of the gases present in the atmosphere, and the

autoignition temperature, accidents can be prevented

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The angular velocity of the water bath as the crank is driven clockwise is 6.66rpm/ms.

From the complete information, we are to use the relative velocity method to determine the angular velocity of the water bath.

This will be:

60/V = 1085.4/120.58

Cross multiply.

(1085.4 × V) = (120.58 × 60)

V = (120.58 × 60/1085.4)

V = 6.66rpm/ms

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The basic characteristic of the taxi service is that some taxi services are as extensive in range as either urban mass transit or commercial airlines.

A taxi is a cab that one hired b a single person or a group and they have a nonshared ride. The taxi service is found in various international destinations all over the world and especially at the airports, restaurants and hotels. Some place's taxi services are extensive and include the urban transits.

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Answer:

Alvaro designs machinery and equipment for ships. His job title is best described as Marine Engineer.

Jeanette draws maps and plans for freeway projects. Her job title is best described as Civil Drafter.

Joseph designs a new airport. His job title is best described as Transportation Engineer.

Geraldine designs imaging systems that use light. Her job title is best described as Photonics Engineer.

Hope this helps sorry I am late to respond, but anyone else who needs the answer it is here.

Based on the above, Alvaro is a Marine Engineer;

Machinery and Equipment are known to be a type of industrial tools, devices, and items that aids facilities.

Conclusively, They are said to be tangible personal property that are used as a tool for repair parts, etc. Professions in ship jobs includes, Marine Engineer, Photonics Engineer, etc.

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Comparing this to the actual power required for the two-stage compressor (242.6 kW), we can see that the actual power required is significantly higher.

Work done is the amount of energy transferred to or from a system as a result of a force acting on it over a distance.

To solve this problem, we can use the following steps:

Step 1: Determine the state points of the air at various stages of the compression process.

Stage 1: Inlet state = State 1

P1 = 100 kPa, T1 = 300 K, V1 = 10 m³/min

Stage 2: After the first stage of compression = State 2

P2 = 1200 kPa, T2 = ? (isentropic compression)

Stage 3: After intercooling = State 3

P3 = 350 kPa, T3 = 300 K, V3 = V2

Stage 4: After the second stage of compression = State 4

P4 = 1200 kPa, T4 = ? (isentropic compression)

Step 2: Calculate the temperature and specific volume at states 2 and 4 using the isentropic compression process.

For an isentropic compression process, we have:

(P2/P1)^((γ-1)/γ) = T2/T1

(P4/P3)^((γ-1)/γ) = T4/T3

where γ is the ratio of specific heats for air, which is approximately 1.4.

Solving for T2 and T4, we get:

T2 = T1*(P2/P1)^((γ-1)/γ) = 300*(1200/100)^((1.4-1)/1.4) = 742.6 K

T4 = T3*(P4/P3)^((γ-1)/γ) = 300*(1200/350)^((1.4-1)/1.4) = 892.5 K

Next, we can use the ideal gas law to calculate the specific volume of air at states 2 and 4:

V2 = V1*(P1/P2)(T2/T1) = 10(100/1200)(742.6/300) = 0.1867 m³/kg

V4 = V3(P3/P4)(T4/T3) = 10(350/1200)*(892.5/300) = 0.2604 m³/kg

Step 3: Calculate the work done in each stage of the compressor.

For an isentropic compression process, the work done can be calculated using the following equation:

W = (mCp)(T2-T1) = (mCp)(T4-T3)

where m is the mass flow rate of air, which can be calculated using the specific volume and inlet volumetric flow rate:

m = V1/(v160) = 10/(0.831460) = 0.2016 kg/s

Cp is the specific heat at constant pressure for air, which is approximately 1.005 kJ/kg-K.

Thus, the work done in each stage of the compressor is:

W1 = (0.20161.005)(742.6-300) = 77.2 kW

W2 = (0.20161.005)(892.5-300) = 116.9 kW

The total work done by the compressor is:

W_total = W1 + W2 = 77.2 + 116.9 = 194.1 kW

Step 4: Calculate the power required to run the compressor.

The power required to run the compressor can be calculated using the following equation:

Power = W_total/η

where η is the compressor efficiency.

We are not given the efficiency, but for a two-stage compressor, a reasonable estimate for η is reasonable estimate for the efficiency of a two-stage compressor is around 75-85%. Therefore, we can assume η = 0.8.

Using this efficiency value, the power required to run the compressor is:

Power = W_total/η = 194.1/0.8 = 242.6 kW

Step 5: Compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.

For isentropic compression from the same inlet state to the same final pressure, the work done can be calculated using the following equation:

W = (mCp)(T2-T1) = (mCp)(T4-T3) = (m*Cp)*ΔT

where ΔT = T2-T1 = T4-T3 = 442.5 K

Thus, the work done for isentropic compression is: W_iso = (0.2016*1.005)*442.5 = 89.1 kW

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An extremum is a point where the function has its highest or lowest value, and at which the slope is zero.

The dimensions to be used if the volume is fixed and the cost of construction is to be kept to a minimum is as follows;

Reason:

The given parameters are;

Form of silo = Cylinder surmounted by a hemisphere

Cost of construction of hemisphere per square unit = 2 × The cost of of construction of the cylindrical side wall

Required:

The dimensions to be used if the volume is fixed and the cost of construction is to be kept to a minimum

Solution:

The fixed volume of the silo, V, can be expressed as follows;

[tex]V = \pi \cdot r^2 \cdot h + \dfrac{2}{3} \cdot \pi \cdot r^3[/tex]

Where;

h = The height of the cylinder

r = The radius of the cylinder

The surface area is, Surface Area = 2·π·r·h + 2·π·r²

The cost, C = 2·π·r·h + 2×2·π·r² = 2·π·r·h + 4·π·r²

Therefore;

[tex]C = 2 \times \pi \times r\times \dfrac{V - \dfrac{2}{3} \cdot \pi \cdot r^3 }{\pi \cdot r^2 } + 4 \cdot \pi \cdot r^2 = \dfrac{8 \cdot r^3 \cdot \pi + 6 \cdot V}{3 \cdot r}[/tex]

At the minimum value, we have;

Which gives;

16·π·r³ = 6·V

Which gives;

[tex]h = \dfrac{\dfrac{8 \cdot \pi \cdot r^3}{3} - \dfrac{2}{3} \cdot \pi \cdot r^3 }{\pi \cdot r^2 } = 2 \cdot r[/tex]

h = 2·r

The height of the silo, h = 2 × The radius, 2

Therefore, the dimensions to be used if the volume is fixed and the cost is to be kept to a minimum is, height, h = 2 times the radius

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Answer:

resistance = 2.52 ohms

Explanation:

from the formula

V =IR

Voltage = (current)(resistance)

Resistance =

R=

R= 2.52 ohms