Suppose that in a machining operation of multidirectional FRPs you are getting high principal (cutting) forces. Which action would you take to reduce the principal forces

Answer:

To solve this problem, we will need to use the power-law model for non-Newtonian fluids, which relates shear stress to shear rate using the following equation:

τ = K γ^n

where τ is the shear stress, γ is the shear rate, K is the consistency coefficient, and n is the flow behavior index.

We can use this equation to determine the velocity profile and volumetric flow rate of the fluid in the pipe. The velocity profile is given by:

v(r) = (dp/dx) (1/n) [(r/R)^n - 1] / [2K]

where v(r) is the velocity at a distance r from the center of the pipe, dp/dx is the pressure drop per unit length, R is the radius of the pipe, K and n are the consistency coefficient and flow behavior index, respectively.

The volumetric flow rate Q is given by:

Q = π R^2 ∫ v(r) dr from 0 to R

Using the given values, we can calculate the velocity profile, volumetric flow rate, and average velocity as follows:

Velocity profile:

dp/dx = 100 kPa / 10 m = 10 kPa/m

R = 0.035 m / 2 = 0.0175 m

v(r) = (10 kPa/m) (1/0.45) [(r/0.0175)^0.45 - 1] / [2 × 5.2 Pa s^n]

We can plot the velocity profile using a graphing calculator or software. Here is an example plot:

velocity profile plot

Volumetric flow rate:

Q = π (0.0175 m)^2 ∫ v(r) dr from 0 to 0.0175 m

We can use numerical integration to evaluate this integral. Using a tool like Wolfram Alpha, we get:

Q = 5.60 × 10^-5 m^3/s

Average velocity:

The average velocity can be calculated as:

v_avg = Q / (π R^2)

v_avg = 0.097 m/s

Generalized Reynolds number:

The generalized Reynolds number for non-Newtonian fluids is given by:

Re_g = ρ v_avg R^n / K

where ρ is the density of the fluid.

Using the given values, we get:

Re_g = (1100 kg/m^3) (0.097 m/s) (0.0175 m)^0.45 / 5.2 Pa s^0.45

Re_g ≈ 224.6

Therefore, the generalized Reynolds number is approximately 224.6, indicating that the flow is in the laminar regime.

Answer:

105°touch sensce what I could wathskb

Answer: hello some data related to your question is missing attached below is the missing data

answer:

T2 = 265°C

Explanation:

First step : calculate sum of vertical forces

∑ y = 0

Fmg - 2(0.5 Fst ) = 0

∴Fmg = ( 12 * 10^6 ) ( 2 * π/4 (0.01)^2 )

          = 1884.96 N

Also determine the Compatibility equation in order to determine the change in Temperature

ΔT = 250°C

therefore Temperature at which average normal stress becomes 12.0 MPa

ΔT = T2 - T1

250°C = T2 - 15°C

T2 = 250 + 15 = 265°C

attached below is the detailed solution

Answer:

answer letter c

Explanation:

yun anserr hhehehe

The growth opportunities that are available for Robert in other markets outside of the US are  Lower costs, cheaper production, premises as well as lower wages.

Your business may benefit from growth and higher margins if you export your goods or services to another nation.

There are four cornerstones of international company to take into account: management commitment, product knowledge, operational capacity, and financial capability, whether you export presently or are debating whether you should.

Therefore, The basis is commitment. The general consensus is that you either go all in or you don't. Opportunities for market expansion include, for example: increasing access to resources like new goods and services, money, people, etc. greater productivity in the workplace. Improved customer service and a change in the consumer experience. the development of new markets for the goods or services of the organization.

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Expanding Into International Markets by Robert Burrus. What growth opportunities are available for Robert in other markets outside of the US?

The eccentricity of the trajectory that just reaches the sphere of influence of the Moon for a lunar vehicle injected at perigee is approximately 0.9671.

To determine the eccentricity of the trajectory, we need to use the following formula for eccentricity (e):
e = (ra - rp) / (ra + rp)
where ra is the apogee distance (the farthest point from Earth) and rp is the perigee distance (the closest point to Earth). In this case, ra is the sphere of influence of the Moon (approx. 384,400 km) and rp is near the surface of Earth (approx. 6,371 km).
By plugging these values into the formula:
e = (384,400 - 6,371) / (384,400 + 6,371) ≈ 0.9671
Thus, the eccentricity of the trajectory that just reaches the Moon's sphere of influence is approximately 0.9671.

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Answer:

biodiversity, also called biological diversity, the variety of life found in a place on Earth or, often, the total variety of life on Earth. A common measure of this variety, called species richness, is the count of species in an area.

Explanation:

Answer:

1.2 Newtons upwards

Explanation:

because the friction is opposite of the magnitude.

If an engine fails during rollout or just before takeoff, immediately shut both throttles and land the aircraft safely. Before reaching a safe single engine speed right away after takeoff, drop your nose to increase velocity.

Closing the throttle, turning off the fuel pump, setting the mixture control to idle cutoff, and simply cranking the engine is the most reliable hot start method I've found.

If an engine fails during rollout or just before takeoff, immediately shut both throttles and land the aircraft safely. Before reaching a safe single engine speed right away after takeoff, drop your nose to increase velocity. If you are unable to climb, close both throttles and land straight ahead.

The typical practice for the majority of aircraft would be to abandon takeoff if an engine failed during takeoff. In small aircraft, the pilot should turn the throttles down to idle, activate the speed brakes (if provided), and apply the brakes as needed if the engine fails before VR (Rotation Speed).

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The allowable distance to flammable material in​ centimeters is equal to 91.44 cm.

A conversion factor can be defined as a number that is typically used to convert (change) a number in one (1) set of units to another, either by dividing or multiplying.

Generally speaking, an appropriate conversion factor to an equal value must be used when it is necessary to perform any mathematical conversion.

In order to calculate the allowable distance to flammable material in​ centimeters, we use the following conversion factor.

Conversion:

1 inch = 2.54 cm.

36 inches = X cm.

Cross-multiplying, we have:

X = 2.54 × 36

X = 91.44 cm.

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c) Urgent activities take priority considerations for crashing is NOT being considered for crashing an activity or the entire project.

Crashing refers to the procedure of shortening the length of the project schedule and, as a result, minimizing the total project duration. The activity duration can be shortened by increasing the resources available to it. The following criteria are taken into account when crashing an activity or the entire project:

To guarantee that the project is completed on time.

To reduce the total cost of the project.

To maintain quality.

To enhance the dependability of the project.

To maximize resource usage.

The amount by which an activity is crashed is, in fact, permissible. Taken together, the shortened activity durations will enable us to finish the project by the due date. The total cost of crashing is as small as possible is considered for crashing an activity or the entire project.

The criteria which is NOT being considered for crashing an activity or the entire project is Urgent activities take priority considerations for crashing.

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Answer:

the rate of heat transfer into the wall is \(\mathbf{q__{in}} \mathbf{ = 200 W/m^2}\)

the rate of heat output is \(\mathbf{q_{out} =182 \ W/m^2}\)

the rate of change of energy stored by the wall is \(\mathbf{ \Delta E_{stored} = 18 \ W/m^2 }\)

the convection coefficient is h = 4.26 W/m².K

Explanation:

From the question:

The temperature distribution across the wall is given by :

\(T(x) = ax+bx+cx^2\)

where;

T = temperature in ° C

and a, b, & c are constants.

replacing 200° C for a, - 200° C/m for b and  30° C/m² for c ; we have :

\(T(x) = 200x-200x+30x^2\)

According to the application of Fourier's Law of heat conduction.

\(q_x = -k \dfrac{dT}{dx}\)

where the rate of heat input \(q_{in} = q_k\) ; Then x= 0

So:

\(q_{in}= -k (\dfrac{d( 200x-200x+30x^2)}{dx})_{x=0}\)

\(q_{in}= -1 (-200+60x)_{x=0}\)

\(\mathbf{q__{in}} \mathbf{ = 200 W/m^2}\)

Thus , the rate of heat transfer into the wall is \(\mathbf{q__{in}} \mathbf{ = 200 W/m^2}\)

The rate of heat output is:

\(q_{out} = q_{x=L}\); where x = 0.3

\(q_{out} = -k (\dfrac{dT}{dx})_{x=0.3}\)

replacing T with \(200x-200x+30x^2\) and k with 1 W/m.K

\(q_{out} = -1 (\dfrac{d(200x-200x+30x^2)}{dx})_{x=0.3}\)

\(q_{out} = -1 (-200+60x)_{x=0.3}\)

\(q_{out} = 200-60*0.3\)

\(\mathbf{q_{out} =182 \ W/m^2}\)

Therefore , the rate of heat output is \(\mathbf{q_{out} =182 \ W/m^2}\)

Using energy balance to determine the change of energy(internal energy) stored by the wall.

\(\Delta E_{stored} = E_{in}-E_{out} \\ \\ \Delta E_{stored} = q_{in}- q_{out} \\ \\ \Delta E_{stored} = (200 - 182 ) W/m^2 \\ \\\)

\(\mathbf{ \Delta E_{stored} = 18 \ W/m^2 }\)

Thus; the rate of change of energy stored by the wall is \(\mathbf{ \Delta E_{stored} = 18 \ W/m^2 }\)

We all know that for a steady state, the heat conducted to the end of the plate must be convected to the surrounding fluid.

So:

\(q_{x=L} = q_{convected}\)

\(q_{x=L} = h(T(L) - T _ \infty)\)

where;

h is the convective heat transfer coefficient.

Then:

\(Replacing \ 182 W/m^2 \ for \ q_{x=L} , (200-200x +30x \ for \ T(x) \ , 0.3 m \ for \ x \ and \ 100^0 C for \ T\) We have:

182 = h(200-200×0.3 + 30 ×0.3² - 100 )

182 = h (42.7)

h = 4.26 W/m².K

Thus, the convection coefficient is h = 4.26 W/m².K

A mixed economy combines the traits of these two (2) economic systems: B. market and command.

A mixed economy can be defined as a type of economic system in which the government of a particular country is minimally involved in the allocation and production of goods and services, while effectively protecting the interest of the consumers and regulating the market by establishing laws.

This ultimately implies that, a mixed economy combines the traits of these two (2) economic systems market and command.

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The statement that best describes the first priority of public works during the initial response is: B. Provide an initial assessment of the damages to all community services

Public works are defined as a broad category of infrastructure projects, that are financed and constructed by the government, for recreational, employment, and health and safety uses in the greater community.

They include works (such as schools, highways, docks) constructed for public use or enjoyment especially when financed and owned by the government.

Looking at the given options, the one that best describes the first priority of public works is Option B

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The missing options are:

A. Review reports and other data to provide a preliminary damage assessment

B. Provide an initial assessment of the damages to all community services

C. Restore solid waste management services, repair facilities, and clear streets

D. Assist with life safety activity by providing equipment and technical expertise

Here, we are required to determine the load the unit exerts on the building in lb (force).

The load exerted on the building by the unit is : 3973.05lb(force).

The load exerted on the building by the cooling unit is the weight of the large cooling unit.

The Force(weight) is therefore equals to:

Force(weight)

= Mass × acceleration due to gravity

Therefore Force(weight) = 1800 × 9.81

Force(weight) = 17,658N.

Ultimately, the Newton unit can be converted to lb(force) by multiplying by the conversion factor.

Since 1N is equal to 0.225lb(force).

Then, 17,658N is equal to17,658× 0.225lb(force)

Therefore, the load exerted on the building by the unit is : 3973.05lb(force).

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Technician B says that a weak pump could be the cause. Tech a technician is correct.

The torque converter, hydraulic pump, planetary gears, clutches, and brakes are important components of the automatic transmission. The torque converter delivers engine power to the transmission input shaft and hydraulic pump. The planetary gears are arranged in a series, one after the other.

An automatic transmission's primary function is to provide a wide range of output speeds while allowing the engine to operate within its limited speed range.

Question incomplete:

Two technicians are discussing what could be wrong with a hydraulically controlled automatic transmission/transaxle that does not shift out of first gear regardless of vehicle speed. Technician A says that a defective governor could be the cause. Technician B says that a weak pump could be the cause. Which technician is correct?

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Answer:

  about 9.63 m/s

Explanation:

You want the speed of a toboggan at the bottom of a frictionless slope of height 3.2 m if it has a mass of 12.5 kg and carries a girl and boy of mass 40 kg and 45 kg respectively. The speed of interest is the speed after the boy is ejected from the back at a speed of 2 m/s relative to the toboggan.

The speed at the bottom of the slope will be the result of converting the initial potential energy to kinetic energy. It will be ...

  v = √(2gh) = √(2·9.8·3.2) m/s ≈ 7.920 m/s

The momentum of the toboggan and riders will be the same before and after the boy is ejected. This relation can be solved for the final velocity of the toboggan.

  \((m_t+m_g+m_b)v_0=(m_t+m_g)v_1+m_b(v_0-2)\\\\(m_t+m_g)v_0+2m_b=(m_t+m_g)v_1\qquad\text{add $2m_b$}\\\\v_1=v_0+\dfrac{2m_b}{m_t+m_g}\qquad\text{divide by $m_t+m_g$}\\\\v_1=\sqrt{62.72}+\dfrac{2\cdot45}{12.5+40}\approx9.634\)

The final speed of the toboggan and girl is about 9.63 m/s.

Answer:

The main reason for bridges collapses is: earthquakes (natural disasters) and construction incidents. Whenever a natural disaster occur, it makes the bridge collapse. An example is hurricanes. Hurricanes come with a great wind and that might lead to the bridge collapsing. Construction incidents means the bridge falls during construction. Those who are employed in health, safety and environmental management need to make sure that during the construction, they have examined the material and made sure it is strong. Working with economists, they should seek better understanding of the methods for minimizing the costs during the life of the bridge. In case for natural disasters, like flooding, they should make the bridge in a lever where the water won't reach the bridge. And they should have a limit for weight in the bridges because that is another reason it collapses, because the bridge does not support extra weight.

Explanation:

hope this helps

Answer:

Carpenter's square

Explanation:

The most common hand tool used to measure or set angles with its application extending to setting angles of roofs and rafters. Another name of a Carpenter's square is a framing square.

Other hand tools that are used to measure angles are;

According to the question of liability, no, the court's instruction is not correct.

Liability is a legal responsibility for an individual or organization to compensate another party for losses or damages resulting from an action or inaction. Liability is usually financial in nature and can arise from a variety of scenarios such as breach of contract, negligence, warranty, or tort. It is important to note that liability is not the same as guilt. Liability is a legal obligation while guilt is a moral one. Professional liability often involves entities such as companies or organizations that may be liable for their representatives’ actions or omissions.

The presumption does not shift the burden of persuasion on this issue to the manufacturer. Therefore, the jury should not be instructed to apply the presumption that the warning, if given, would have been heeded.

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The quartiles divide a set of observations into four portions, each representing 25% of the observations, together with the minimum and maximum values of the data set. The interquartile range, a measurement of variation around the median, is calculated using quartiles.

Statistical file: {2, -6, 5}

Quartile Q1: -6

Quartile Q2: 2

Quartile Q3: 5.

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That Math is imported correctly into our program is (int)(Math. Random() * 10) + 10

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Answer: True

Explanation:

Answer:

what are the options available?

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

The velocity profile for a rectangular channel is given by: v(y) = (3y² + y)/2.The width of the channel is given as 2 meters.The volumetric discharge is the rate of flow of fluid (volume/time) per unit cross-sectional area.

It can be calculated by multiplying the velocity and area of the cross-section of the channel. In this case, the cross-sectional area is simply the product of the width (b) and depth (y) of the channel: A = b*y.The volumetric discharge (Q) can be calculated as follows:
Q = v(y) * A= (3y² + y)/2 * 2y= 3y³ + y²Therefore, to determine the volumetric discharge, we need to integrate the velocity profile from the bottom of the channel (y = 0) to the top (y = b = 2 m).

To calculate the volumetric discharge of a rectangular channel, we first need to determine the velocity profile. In this case, the velocity profile is given by v(y) = (3y² + y)/2. The width of the channel is given as 2 meters, so the cross-sectional area of the channel is simply the product of the width and the depth (y). To determine the volumetric discharge, we need to integrate the velocity profile from the bottom of the channel to the top, and then multiply the result by the cross-sectional area. This gives us a final expression for the volumetric discharge of Q = 3y³ + y². Plugging in the width of the channel (2 m) and integrating from 0 to 2 m, we find that the volumetric discharge is 8.67 m³/s.

Therefore, the volumetric discharge of the liquid in the rectangular channel is 8.67 m³/s.

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Answer:

the welding gun liner regulates the shielding gas.

Explanation:

The purpose of the welding gun liner is to properly position the welding wire from the wire feeder till it gets to the nozzle or contact tip of the gun. Regulation of the shielding gas depends on factors such as the speed, current, and type of gas being used. In gas metal arc welding, an electric arc is used to generate heat which melts both the electrode and the workpiece or base metal.

The electric arc produced is shielded from contamination by the shielding gas. The heat generated by the short electric arc is low.

The brainstorming design process typically does not involve seven stages that specifically include building a model and creating a preventive maintenance plan.The correct answer is option False.

The stages involved in the brainstorming design process may vary depending on the specific context and industry, but they generally follow a similar framework.

Here is a more commonly recognized and concise outline of the brainstorming design process:

1. Identify the problem or opportunity: Clearly define the problem or identify the opportunity that needs to be addressed through the design process.

2. Research and gather information: Conduct research and collect relevant data, information, and resources to gain a better understanding of the problem and potential solutions.

3. Generate ideas: Engage in brainstorming sessions or other creative techniques to generate a wide range of ideas and potential solutions.

4. Evaluate and select ideas: Evaluate the generated ideas based on criteria such as feasibility, practicality, and alignment with project goals. Select the most promising ideas for further development.

5. Develop prototypes: Create prototypes or mock-ups to visualize and test the selected ideas. This stage focuses on creating tangible representations of the design concepts.

6. Test and iterate: Test the prototypes and gather feedback from users or stakeholders. Use the feedback to refine and improve the design.

7. Finalize and implement: Incorporate the feedback and make final adjustments to the design. Prepare the design for implementation or production.

The stages mentioned in your response, building a model and creating a preventive maintenance plan, are not typically considered core components of the brainstorming design process.

However, they might be relevant in specific contexts or industries, such as engineering or product development, where a detailed design process is required, including modeling and maintenance planning.

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The results of the calculations are (a) P = 37.97 kN and (b) P = 35.62 kN.

The surface won't be cut if you press the flat section of the knife against the fruit. The force is dispersed over a wide area.

Using the parameters and figure provided in the problem, we have:

A = b*h = 0.14*0.24 = 0.0336 m^2

S = (b*h^2)/6 = (0.14*0.24*0.24)/6 = 0.001344 m^3

q = 5400*0.0336 = 181.44 N/m

(a) The load P at 8.5 MPa = 8.5*106 Pa (allowable bending stress)

σ = M/S

M = *S thus equals 0.001344*8.5*106 = 11424 Nm.

Aside from that

M = (P*L/4) + (q*L^2)/8

11424 = (P*1.2/4) + (181.44*1.2^2)/8

11424 = 0.3*P + 32.6592

P = (11424-32.6592)/0.3 = 37.97 kN

(b) If (allowable shear stress) = 0.8 MPa, then the value of P is equal to 0.8*106 Pa.

(2*A*τ/3) = P/2 + q*L/2

(2*0.0336*0.8*10^6)/3 = P/2 + 181.44*1.2/2

17920 = P/2 + 108.864

P = (17920 - 108.864) * 2 = 35.62 kN.

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