Write a short summary, at least 5 paragraphs regarding the areas that you think Fluid Mechanics is the governing science to describe the phenomena and explain in details your understanding of means of applicability.

As the temperature of the material increases, the potential energy of the molecules increases. Thermal expansion occurs due to changes in temperature, and interatomic distances increase as potential energy increases.

Thermal expansion is used in a variety of applications such as rail buckling, engine coolant, mercury thermometers, joint expansion, and others.

It is to be noted that an application of the concept of liquid expansion in everyday life concerns liquid thermometers. As the heat rises, the mercury or alcohol in the thermometer tube moves in only one direction. As the heat decreases, the liquid moves back smoothly.

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Given that the maximum allowable load for the aircraft is 6.929 b, which can carry 41 passengers. Therefore, the maximum load for each passenger is 6.929/41 = 0.169 b. To determine if the mean weight of the passengers is greater than 169 lb, we can assume that the weights of men are normally distributed with a mean of 174.9 lb and a standard deviation of 35.6 lb.

Using the standard normal distribution, we can find the probability that the mean weight of 41 men is greater than 169 lb by converting the mean to a z-score.\(z = (x - μ) / (σ / sqrt(n))\)

\(z = (169 - 174.9) / (35.6 / sqrt(41))\)

z = -1.83 Using a z-table, we can find that the probability of the mean weight of 41 men being greater than 169 lb is approximately 0.0336.

This means that there is a 0.0336 probability that the aircraft is overloaded. Since the probability of the aircraft being overloaded is less than 0.05, the pilot does not need to take any action to correct for an overloaded aircraft. Therefore, the pilot can proceed with the flight as planned.

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while viewing a site plan, you notice that the contour lines have elevation numbers that increase toward the middle. this would indicate a hill

On your map, contour lines indicate the height above sea level at various locations. On a map, the relief depicts the elevational difference between two places. You may calculate the relief or elevation change between two points by removing the elevation differences between them.

On a topographic map, a contour line is a line drawn to denote a dip or elevation of the ground. The vertical separation or elevation difference between contour lines is known as a contour interval. Every fifth contour line has an index contour, which is a bolder or thicker line.

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Answer:

C . . . . . . . . . . . . . . . . . . . . . .

(a) The column height of mercury in a mercury barometer is 7.32 meters, or 24.0 feet, or 95.2 inches.

(b) The column height of water in a water barometer is 995 meters, or 3268 feet, or 33.9 feet.

(c) A water barometer is not very practical because it would need to be very tall to measure atmospheric pressure.

(d) Ignoring the practicality issue, a mercury barometer would be more precise because mercury is denser than water.

Mercury barometer: 7.32 m, 24 ft, 95.2 in

Water barometer: 995 m, 3268 ft, 33.9 ft

Water barometer not practical because it would be too tall

Mercury barometer more precise because mercury is denser

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The wired networking standard that specifies the order in which data is sent through the network is Ethernet.

Ethernet is a widely used wired networking standard that defines the protocols and specifications for data transmission over a local area network (LAN). It specifies the order in which data is sent through the network by utilizing the Carrier Sense Multiple Access with Collision Detection (CSMA/CD) algorithm.

The CSMA/CD algorithm ensures that multiple devices connected to an Ethernet network can share the same communication medium without interfering with each other. Before transmitting data, a device using Ethernet listens to the network to detect if it is clear to send data. If the network is busy, it waits for an opportune moment. Once the network is clear, the device sends the data, constantly monitoring for collisions. If a collision occurs (when two or more devices transmit data simultaneously), they stop transmitting, wait for a random period of time, and then retry.

By following this protocol, Ethernet ensures orderly and efficient data transmission within the network, minimizing collisions and maximizing data throughput. It has become the de facto standard for wired local area networks due to its reliability, scalability, and widespread adoption.

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Answer:

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The ways to remove a core plug are:

Core plugs are known to be called freeze plugs as they are often used to fill the sand casting core holes seen inside water-cooled internal combustion engines.

Note that to do the above, one needs:

The ways to remove a core plug are:

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Intersections that have traffic signs or signals are called  uncontrolled intersections.

What is signals?
Signals are forms of communication used by living organisms and machines. They are the means by which messages are exchanged between two or more entities. Signals can be visual, auditory, chemical, electrical, and mechanical. They are used to convey information, instructions, and other data. In the context of computing, signals are the messages a computer sends and receives from external sources. Signals can be used to control the flow of data, detect errors, and initiate events. Signals can be used to send information from one unit to another, or from one system to another. Signals can also be used to control the operation of a system or device, or to alert an operator of an error or malfunction. Signals are an important part of communication and are used to transmit data, instructions, and other information between machines and living beings.

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Answer:

Explanation:

......................

The floodproofing/retrofitting preference matrix is a tool used by professionals to assess a building’s flood risk and prioritize flood mitigation strategies. This matrix can assist owners, designers, and contractors in evaluating retrofit options and deciding which ones to pursue.

The aesthetic concerns boxes for elevation projects may be marked with an "X" in certain cases to indicate that the proposed elevation project may have a negative impact on the building's appearance or its overall aesthetic quality. This decision to mark the aesthetic concerns box with an "X" may be based on several factors, including the following:1. Preservation of historical or cultural significance: If the building has historical or cultural significance, the proposed elevation project may need to adhere to specific guidelines to ensure that its historical or cultural significance is preserved.2. The neighborhood context: If the building is located in a neighborhood with a distinct architectural style or a specific aesthetic quality, the proposed elevation project may need to match or complement that aesthetic to avoid standing out or clashing with the surrounding buildings.3. The owner's preference: The owner's preference may also play a role in the decision to mark the aesthetic concerns box with an "X." The owner may prefer that the building's appearance remains unchanged, or they may be willing to accept some changes to the building's appearance if they result in greater flood protection.In summary, the decision to mark the aesthetic concerns box with an "X" in elevation projects on the preliminary floodproofing/retrofitting preference matrix may depend on various factors, including the building's historical or cultural significance, the neighborhood context, and the owner's preference. However, it is important to note that flood mitigation strategies are primarily designed to protect buildings from damage caused by flooding and may sometimes require trade-offs between aesthetics and functionality.

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The effects of the damage on the load cell's noise characteristics would depend on the specific nature and extent of the damage, as well as the load cell's design and operating environment.

Without knowing the specific type of damage that has occurred to the load cell, it is difficult to provide a specific answer to this question. However, in general, load cells that have suffered some type of mechanical damage or deformation may become more robust to certain types of noise, such as mechanical noise or vibration. This is because the damage may have altered the load cell's physical properties, making it less sensitive to certain types of external disturbances. However, it is also possible that the damage may have introduced new sources of noise or instability into the load cell, which could negatively impact its overall performance. Ultimately, the effects of the damage on the load cell's noise characteristics would depend on the specific nature and extent of the damage, as well as the load cell's design and operating environment.

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Heat energy is the known to be a product of the movement of tiny particles called atoms, molecules or ions. The true statement is by Technician A.

Internal combustion engine is dependent on the heat of combustion so as to make torque to move the vehicle and power the system.

A lot of heat made during combustion is not often used productively and therefore need to be removed to avoid overheating of the engine.

The heat energy that is not used for is wasted in three ways: They are:

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Answer:

car a is moving faster than the car b

Answer:

B: Car A and car B are moving in opposite directions.

C: Car A is moving faster than car B.

E: Car A and car B are moving toward each other until they cross over.

Explanation:

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Also, heart and rate if you found this answer helpful!! :) (P.S It makes me feel good to know I helped someone today!!)  :)  

Answer:

let me know if this's helpful.

The load required to produce a change in diameter of 10 mm in a cylindrical brass rod is 1.57 N.

A tensile stress of 0.157 MPa is required to produce a change in diameter of 10 mm in a cylindrical brass rod. The deformation is entirely elastic, so the Poisson's ratio for brass is 0.34, and the modulus of elasticity is 97 GPa.

The load required to produce this tensile stress is 1.57 N.

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

Stress = (Change in diameter) * (π / (2 * Diameter))

Plugging in the values for the change in diameter, diameter, and Poisson's ratio, we get the following tensile stress:

Stress = (0.001) * (π / (2 * 0.010)) = 0.157 MPa

The load required to produce this tensile stress is then:

Load = Stress * Modulus of Elasticity

Plugging in the values for the tensile stress and modulus of elasticity, we get the following load:

Load = 0.157 MPa * 97 GPa = 1.57 N

Therefore, the load required to produce a change in diameter of 10 mm in a cylindrical brass rod is 1.57 N.

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A microphone preamplifier with an input impedance of 1,000 ohms would be best for a microphone that has an output impedance of 100 ohms.

What is microphone preamplifier?
The electronic circuitry found inside a microphone or a different object or circuit to which the microphone is linked can both be referred to as microphone preamplifiers. The microphone preamplifier serves the same role in either scenario. A microphone preamplifier is a piece of sound engineering gear that gets a microphone signal ready for other gear to handle. Frequently, microphone signals are too weak to be adequately conveyed to equipment like mixing consoles and recording devices. Preamplifiers boost a microphone signal to line level by offering steady gain and reducing generated noise, which would otherwise cause the signal to be distorted. See Gain stage for more discussion on signal level. Informally, a microphone preamplifier is referred to as a mic preamp, micamp, preamp, mic pre, and pre.

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Answer:

 I = 1205.69 Lx

Explanation:

The irradiation or intensity of the solar radiation on the earth is maximum for the vertical fire, with a value I₀

          I = I₀ sin θ

in this case with the initial data we can calculate the initial irradiance

         I₀ = \(\frac{I}{sin \ \theta }\)

         I₀ = 1600 /sin 53

         I₀ = 2003.42 lx

for when the angle is θ = 37º

         I = 2003.42 sin 37

         I = 1205.69 Lx

Answer:

Explanation:

R-744 is seen as the 'perfect' natural refrigerant as it is climate neutral and there is not a flammability or toxicity risk. It is rated as an A1 from ASHRAE. While it is non-toxic there is still risk if a leak occurs in an enclosed area as R-744 will displace the oxygen in the room and could cause asphyxiation

Answer:

b. A view of a building seen from one side, a flat representation of one façade. This is the most common view used to describe the external appearance of a building.

Explanation:

An elevation is a three-dimensional, orthographic, architectural projection that reveals just a side of the building. It is represented with diagrams and shadows are used to create the effect of a three-dimensional image.

It reveals the position of the building from ground-depth and only the outer parts of the structure are illustrated. Elevations, building plans, and section drawings are always drawn together by the architects.

Answer:

In my opinion, Energy, Time, Money and Development

Answer:

Pollution, time, money, and energy.

Explanation:

Answer:

d.

Explanation:

The synchronous speed (Ns) of a motor with 4 poles and operating at a frequency of 60Hz can be calculated using the formula:

Ns = 120 x f / p

where f is the frequency in Hertz and p is the number of poles.

Plugging in the values, we get:

Ns = 120 x 60 / 4 = 1,800 rpm

Therefore, the answer is option d) 1,800 rpm.

The sample of 81 students was selected with a mean score of 90, this illustrates an example of a right tailed one sample z test.

From the information given, the teacher claims that the mean score of students in his class is greater than 82 with a standard deviation of 20. In this case, the right tailed one sample z test is used.

The z value will be:

= (90 - 82)/20/✓81

= 3.6

Since 3.6 > 1.645, the null hypothesis will be rejected as there's enough evidence to support the teacher's claim.

When an online medicine shop claims that the mean delivery time for medicines is less than 120 minutes with a standard deviation of 30 minutes, the left tailed one sample test is used.

The z value will be:

= (100 - 120)/(30/✓49)

= -4.66

The null hypothesis is rejected as there is enough evidence to support the claim of the medicine shop.

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A type of loop which Jamal will need to create in order to make the backdrop to continuously keep changing is: C. forever loop.

A forever loop can be defined as a type of loop which comprises a sequence of instructions that are written to run continuously or endlessly, until the simulation is quitted by an end user.

This ultimately implies that, a forever loop should be created by Jamal to  make the backdrop to continuously keep changing.

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Answer: C

Explanation:

To any of you who are also taking Game Design, I have respect for you.

A visual aid for classifying a problem's possible origins is a fishbone diagram.

Thus,  This technique is used to determine the underlying causes of issues. A fishbone diagram combines the technique of brainstorming with a form of mind map template, and is frequently used for root cause analysis. As a test case technique to ascertain cause and effect, it ought to be effective.

In product development and troubleshooting procedures, a fishbone diagram is helpful because it may be used to centre a discussion on a specific issue.

The facilitator works with the group to rank potential causes in order of priority and create a hierarchy once the group has brainstormed every potential source of the issue. The diagram's design, which closely resembles, the source of the name and fishbone.

Thus, A visual aid for classifying a problem's possible origins is a fishbone diagram.

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Answer:

I don't know the question but so do I. I analyze a problem very carefully before I answer it. Just like this one, I analyzed the problem(no question), then answered it to the best of my abilities.

a) There are 9,900 ways to select a set of four non-defective microprocessors. b) There are 735 ways to select a set of four microprocessors containing exactly two defective microprocessors. c) There are 9,852 ways to select a set of four microprocessors containing at least one defective microprocessor.

a) To select a set of four non-defective microprocessors, we need to choose four out of the 46 non-defective microprocessors available (since 4 out of the 50 are defective). The order of selection doesn't matter. This can be calculated using the combination formula: C(46, 4) = 9,900 ways. b) To select a set of four microprocessors containing exactly two defective microprocessors, we need to choose two defective microprocessors out of the four available and two non-defective microprocessors out of the 46 available. Again, the order of selection doesn't matter. The calculation can be done using the combination formula: C(4, 2) * C(46, 2) = 735 ways.

c) To select a set of four microprocessors containing at least one defective microprocessor, we can subtract the number of ways to select four non-defective microprocessors from the total number of ways to select any four microprocessors. The total number of ways is C(50, 4) = 230,300. Therefore, the number of ways to select at least one defective microprocessor is 230,300 - 9,900 = 220,400 ways. Overall, the calculations involve using combinations to determine the number of ways to select microprocessors based on the given conditions.

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The correct answer is IN comparison operator, which access selects and includes that record.

Given data:

When you use the "IN" comparison operator, if a record's field value matches one value from the list of defined values, then Access selects and includes that record in the query result.

The "IN" operator is a powerful tool for filtering records based on multiple values without the need for multiple OR conditions. It simplifies the query syntax and improves readability.

Hence, when you want to select and include records in the query result that match any value from a defined list, you can use the "IN" operator in your database query.

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Answer:

Explanation:

The 7 Habits of Highly Effective People, is a book written and first published in 1989. It is a business and self-help book that was written by Stephen Covey. The seven habits include

Being proactive

Starting anything with the end in mind

First things first

Always thinking towards a win-win situation

Seeking initially to understand, then going on to want to be understood

Synergize, and lastly

Growing

Answer:

57.14 N/mm2

Explanation:

The maximum shear stress in the tube when the power is transmitted through a 4: 1 gearing is 28.98 MPa.

Power is the energy transferred per unit time.

Torque is find out by

P = 2πNT/60

10000 = 2π x 2000 x T / 60

T =47.74 N.m

The gear ratio Ne / Ns =4/1

Ns =2000/4 = 500

Ts =Ps x 60/(2π x 500)

Ts =190.96 N.m

Maximum shear stress τ = 16/π x (T / (d₀⁴ - d₁⁴))

τ max =T/J x D/2
where d₁ = 30mm = 0.03 m

           d₀ = 30 +(2x 4) = 38mm =0.038 m

Substitute the values into the equation, we get

τ max = 16 x 190.96 x 0.038 /π x (0.038⁴ - 0.03⁴)

τ max = 28.98 MPa.

Thus, the maximum shear stress in the tube is 28.98 MPa.

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