For a bronze alloy, the stress at which plastic deformation begins is 274 MPa and the modulus of elasticity is 118 GPa. (a) What is the maximum load that may be applied to a specimen having a cross-sectional area of 316 mm2 without plastic deformation? (b) If the original specimen length is 132 mm, what is the maximum length to which it may be stretched without causing plastic deformation?

Answer:

Trash rack

Open channel

Fore bay

Pen stock

Inlet valve

Turbine

Tailrace

Generator

Power house

If your accelerator gets stuck down, do the following:

Shift to neutral.

Apply the brakes.

Keep your eyes on the road and look for a way out.

Warn other drivers by blinking and flashing your hazard lights.

Try to drive the car safely off the road.

Turn off the ignition when you no longer need to change direction.

Answer:Kick the accelerator to dislodge it

Explanation:

Never reach down with your hand while driving, it's not safe.

Answer:

a) 4160 V

b) 12 kW and 81 kVAR

c)  54 kW and 477 kVAR

Explanation:

1) The phase voltage is given as:

\(V_p=\frac{3810.5}{\sqrt{3} }=2200 V\)

The complex power S is given as:

\(S=560.1(0.707 +j0.707)+132=660\angle 36.87^o \ KVA\)

\(where\ S^*\ is \ the \ conjugate\ of \ S\\Therefore\ S^*=660\angle -36.87^oKVA\)

The line current I is given as:

\(I=\frac{S^*}{3V}=\frac{660000\angle -36.87}{3(2200)} =100\angle -36.87^o\ A\)

The phase voltage at the sending end is:

\(V_s=2200\angle 0+100\angle -36.87(0.4+j2.7)=2401.7\angle 4.58^oV\)

The magnitude of the line voltage at the source end of the line (\(V_{sL}=\sqrt{3} |V_s|=\sqrt{3} *2401.7=4160V\)

b) The Total real and reactive power loss in the line is:

\(S_l=3|I|^2(R+jX)=3|100|^2(0.4+j2.7)=12000+j81000\)

The real power loss is 12000 W = 12 kW

The reactive power loss is 81000 kVAR = 81 kVAR

c) The sending power is:

\(S_s=3V_sI^*=3(2401.7\angle 4.58)(100\angle 36.87)=54000+j477000\)

The Real power delivered by the supply = 54000 W = 54 kW

The Reactive power delivered by the supply = 477000 VAR = 477 kVAR

Answer:

design angle ∅ = 4.9968 ≈ 5⁰

Explanation:

First calculate the force Fac :

Fac = \(\sqrt{400^2 + 650^2 - 2(400)(650)cos30}\)

      = \(\sqrt{160000 + 422500 - 80210}\)

      = 708.72 Ib

using the sine law to determine the design angle

\(\frac{sin}{400} = \frac{sin 30}{Fac}\)

hence ∅ = \(sin^{-1} (\frac{sin 30 *400}{708.72} )\)

              = \(sin^{-1} 0.0871\) =  4.9968 ≈ 5⁰

The design angle of the struts system given is;

ϕ = 38.26°

The diagram showing the struts system is missing and so i have attached it.

From the diagram, we can see that it follows parallelogram law of vector addition.

Now, I have narrowed down the force system to the upper part of the strut as depicted in the third image attached.

F_AC = √(400² + 600² - 2(400 × 600)cos 30)

F_AC = 322.97 lb

(sinϕ)/(sin 30) = 400/322.97

Where; ϕ is the design angle.

Thus;

(sinϕ) = (400/322.97) × sin 30

(sinϕ) = 1.2385 × 0.5

(sinϕ) = 0.61925

ϕ = sin^(-1) 0.61925

ϕ = 38.26°

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Normalization and denormalization are processes used to optimize database performance. The differences between them are explained using examples.

Normalization is a process performed to minimize/remove anomalies to maintain database consistency.

First normal form eliminates duplicate columns.

For the second normal form, the first normal form step is included in addition to removing duplicate data located in subtables. The third normal form contains the second normal form and is further stepped. This format removes columns that do not depend on primary key columns.

Denormalization is the reverse process of normalization. Reduce effort and optimize performance.

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Please check all the photos ( answer)

Cabin upholstery materials installed in current standard category airplanes must be at least flame resistant

Cabin upholstery in standard airplanes must meet safety requirements. Requirements may include fire resistance, durability, maintenance, and toxicity.

Common cabin upholstery materials in standard airplanes must be flame-resistant to minimize fire risks and provide passengers more evacuation time. Fire-resistant fabrics are commonly used with coatings or made from materials like wool or aramid fibers. Synthetic leather is a durable and low-maintenance option for airplane upholstery.

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Answer:

In general, the choice of bridge design will depend on various factors such as the location, the environment, the length of the span, the expected traffic, the budget, and the construction time. Different types of bridges, such as beam bridges, arch bridges, suspension bridges, and cable-stayed bridges, have different strengths and weaknesses, and are suitable for different situations.

Some factors to consider when choosing a bridge design include:

Span: If the river is wide, a longer span bridge such as a suspension or cable-stayed bridge may be required.

Location: The local geology, topography, and environmental conditions may dictate the type of bridge that can be built.

Budget: Some bridge designs are more expensive than others. A beam bridge may be the most cost-effective option.

Traffic: If the bridge will carry heavy vehicles or high volumes of traffic, a stronger, more durable bridge such as a cable-stayed bridge may be required.

Ultimately, the choice of bridge design will depend on a careful evaluation of these factors and the needs of the community. It is important to consult with experts and stakeholders to ensure that the chosen design is safe, effective, and meets the requirements of the project.

Explanation:

ANSWER : PONTOON BRIDGES

OR SUSPENSION BRIDGES

PONTOON BRIDGES:

take a bunch boats or rafts

tie them together

put a path/road on top of them

if a boat can carry a truck then so can a pontoon bridge

armies use them

smaller cost & safe

SUSPENSION BRIDGES:

source of strength its flexibility to wind,gravity, physical considerations

can be made of steel

but even cheaply with rope or jute etc.

When considering the strength in terms of load-bearing capacity and versatility, truss bridges are often considered to be the strongest type of bridge. Truss bridges are made up of interconnected triangles that distribute weight evenly across the structure, making them highly resistant to bending and compression forces. They are also relatively easy to construct using simple materials such as wood or steel, which may make them a more practical option for underserved communities.

That being said, arch bridges can also be quite strong and durable, as they rely on the inherent strength of their curved shape to distribute weight. Suspension and cable-stayed bridges, on the other hand, require more advanced engineering and construction techniques, and may be less feasible for communities with limited resources. Beam bridges are typically the simplest type of bridge, but may not be as strong or versatile as truss or arch bridges.

ChatGPT

Answer:

the types of social responsibility are as follows

1)Environmental Responsibility

2)Ethical Responsibility

3)Philanthropic Responsibility

4)Economic Responsibility

Social responsibility is an obligation every person has to do to uphold a balance among the economy as well as the environment. Social responsibility refers to maintain the balance between the environment and the budget.

It affects not only corporate governments but also everybody whose activity impacts the climate.

The Social responsibility towards the environment are as follows

1)Defend the environment, create balanced use of natural ingredients, and take important steps to stop pollution from the several processes adopted by the industries.

2)Encourage the viable use of raw resources and natural materials. Introduce strategies for continuously enlightening our environmental duty.

Introduce rules for continuous development in their ecological performance.

Obey with the law in force on conservational protection, and with other willingly recognized promises.

3)To encourage, by on-the-job practice, the participation of all our workers, independently and based on the team, in environmental safety problems.

4)To unite with the liable Agencies as well as Governmental Authorities.

To proceed with environmental protection courses.

5)To talk and report on our eco-friendly management struggles.

Implement and sustain the necessities of a Chain of Custody.

6)Stop trade and acquisition of illegally obtained wood.

7)Apply and continue a due industry system to avoid the acquisition and sale of criminally harvested timber and its products.

The Vin(t) has an amplitude range of 0 to 5 and 0 to 2.5 for a period of 1 millisecond (ms). The time increments of 10 microseconds (us) must be plotted between the values of 0 to 1ms. Consequently, there are 100,000 data points in 1ms, with 10us intervals between each data point.

Part 1 Recap and Analysis Part 1 was concerned with the following circuit as shown below.

Vin (t) is fed into the high-pass filter, and Vout (t) is produced at the other end. The output voltage of this high-pass filter was obtained and examined in the frequency domain. To begin, the following variables were used:

RC = 1 x 10-4 s, R = 1 x 103 Ω, and C = 1 x 10-7 F.

Then, using the function h(f), the frequency response was defined as follows: H (f) = h (f)/h (0) = (RCf)/(1 + RCf). The magnitude response, H (f), and phase response, (f), were derived from this expression. Using MATLAB, both the phase and magnitude response were plotted against the frequency of the input signal.

The cutoff frequency (fc) was determined to be 1000 Hz, and the bandwidth (B) was calculated to be 1 kHz. The filter is considered a high-pass filter since it has a 1st order response and is capable of passing signals at frequencies above its cutoff frequency while blocking signals below that frequency. The low frequencies and high frequencies are referred to as noise and signal, respectively.

Vin(t) Graphical RepresentationThe first step is to plot the function Vin(t) mathematically. Vout(t) is defined by the transfer function H(f), which is derived from Vin(t).

The first step is to plot Vin(t), which is given by:

Vin(t) = 5.0sin(wt + 0) + 1.0sin(wt + 0) + 2.5sin(w3t + 0) On the MATLAB Command Window, enter the following code: t = 0:0.00001:0.001; Vin = 5*sin(8000*pi*t)+ 1*sin(29000*pi*t)+ 2.5*sin(242000*pi*t); plot(t,Vin) xlabel('time (s)') ylabel('Amplitude (V)') title('Vin(t) Plot')

Output: The resultant Vin(t) is graphed below.

The initial part oscillates between 0 and 5, and the last section between 0 and 2.5. In other words, the function Vin(t) is made up of three components with different amplitudes and frequencies.

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Explanation:

rational

Step-by-step explanation:

The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax

2

+bx+c=0 is:

\boxed{\mathrm{d =} \ b^2 - 4ac}

d= b

2

−4ac

.

If:

• d > 0, then there are two real solutions

• d = 0, then there is a repeated real solution

• d < 0, then there is no real solution.

In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x

2

+4x−2=0 . Therefore, the discriminant of the equation is:

b² - 4ac = (4)² - 4(3)(-2)

= 16 - (-24)rational

Step-by-step explanation:

The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax

2

+bx+c=0 is:

\boxed{\mathrm{d =} \ b^2 - 4ac}

d= b

2

−4ac

.

If:

• d > 0, then there are two real solutions

• d = 0, then there is a repeated real solution

• d < 0, then there is no real solution.

In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x

2

+4x−2=0 . Therefore, the discriminant of the equation is:

b² - 4ac = (4)² - 4(3)(-2)

= 16 - (-24)

= 40

Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.

= 40

Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.

A forecast as well as scenario model is a form of decision-making tool that uses the what-if Excel function.

Users of Microsoft Excel may format, arrange, and compute data together in spreadsheet. Data analysts or other customers can make data simpler to examine when data is added as well as altered by arranging the data using tools like Excel. The boxes in Excel are referred to as cells, and they are arranged in columns or rows.

In Microsoft Excel, an formula seems to be an expression that changes the values of a group of cells. These equations nevertheless provide a result, even if it's erroneous. Using Excel formulas, you may do operations like addition, subtraction, multiplication, as well as division.

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Answer: Answer is below <3

Explanation: When operating, the cutting or grinding disc may come into contact with a body part, or shatter and throw off pieces at extremely high speed. An operator could easily sustain cuts, abrasions, burns or eye injuries.

The maximum possible coefficient of performance of this air conditioner is 2.5.

The maximum possible coefficient of performance of an air conditioner is determined by the following equation:

\(COP = (h_e - h_f) / w\)

where:

COP = coefficient of performance

h_e = enthalpy of the refrigerant at the evaporator

h_f = enthalpy of the refrigerant at the condenser

w = work done by the compressor

The enthalpy of the refrigerant at the evaporator and the condenser can be determined from the refrigerant tables. The work done by the compressor can be determined from the compressor efficiency.

The maximum possible coefficient of performance of an air conditioner is therefore determined by the refrigerant properties and the compressor efficiency.

In this case, the refrigerant is R-134a and the compressor efficiency is 80%. The refrigerant tables show that the enthalpy of R-134a at 0.700 MPa and 273 K is 247.1 kJ/kg and the enthalpy of R-134a at 1.60 MPa and 313 K is 415.7 kJ/kg.

Substituting these values into the equation for COP:

COP = (247.1 kJ/kg - 415.7 kJ/kg) / (0.8 × 100 kW) = 2.5

Therefore, the maximum possible coefficient of performance of this air conditioner is 2.5.

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A saturated soil with a mass of 43.2g. When dried in the oven its mass was 30g, the limit of contraction is 0.4.

For the limit of contraction, we know that:

Limit of contraction (Lc) = (Vw - Vd) / Vw

Lc = (20 - 12) / 20

Lc = 8 / 20

Lc = 0.4

Therefore, the limit of contraction is 0.4.

Now for the dry weight,

Dry unit weight (γd) = γw / (1 + e)

e = (Gs - 1) / Gs

n = e / (1 + e)

w = (wet weight - dry weight) / dry weight

In this case,

γw = 9.81 kN/\(m^3\)

Gs = 2.74.

So,

γd = 2010 / (1 + ((2.74 - 1) / 2.74))

γd = 2010 / (1 + 0.727)

γd = 2010 / 1.727

γd = 1163.54 kg/m^3

e = (2.74 - 1) / 2.74

e = 1.74 / 2.74

e ≈ 0.635

n = 0.635 / (1 + 0.635)

n = 0.635 / 1.635

n ≈ 0.388

w = (43.2 - 30) / 30

w = 13.2 / 30

w ≈ 0.44

Therefore, the dry unit weight (γd) is approximately 1163.54 kg/m^3, the void ratio (e) is approximately 0.635, the porosity (n) is approximately 0.388, and the moisture content (w) is approximately 0.44.

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Answer:

1.50 miles/hour is the correct answer to the given question  

Explanation:

As mention in the question engine power = 190 horsepower engine.......eq(1)

we have to converted into the watt as we know that 1 horse power=746 watt

putting this value in eq(1) we get

\(Engine \ power\ =190 *746\\\ Engine \ power =146216\ NM/S\)

Drag coefficient = 0.33

Projected area = 26.36 \(ft^{2}\)............eq(2)

we have to converted into the \(m^{2}\)  as we know that \(1m^{2}\ =\ 10.7639\ ft^{2}\)

putting this value in eq(2) we get

Projected area =  \(2.448921\ m^{2}\)

Now we to calculated the Drag Force

\(F\ =\frac{\ Drag \ coefficient\ *P*\ V^{2}\ *A }{2}\)....................eq(3)

Putting the above value in eq(3) we get

\(F=\ \frac{0.33\ * 1.2 * \ V^{2 \ * 2.44821\ *N} }{2} \\F=\ 0.4848V^{2}\)

As we know that

\(F=0.4848\ V^{2}\ *V \\F= \frac{\ 0.4848V^{3} NM}{S}\)

As mention in the question

Power of Engine =Drag free force

\(146216\ =\ 0.4848\ V^{3}\\ V^{3} =301550.889\\V=67.05M/S\)

We have to converted this value into the miles/hour

1 M/S =2.22369 M/H

Putting this value into the V we get

V=67.05 * 2.2234 M/H

V=150 M/H

Answer:

My guess is toxicty from gas fumes. Hope this helps

Explanation:

One of the four characteristics of hazardous waste is Toxicity. That is option B.

A hazardous waste is any material or substance that is capable of harming living organisms and making the environment dangerous for to live in.

The characteristics of a hazardous waste include:

Therefore, one of the four characteristics of hazardous waste is Toxicity.

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Answer:

or is the strongest evenger she hulk

Explanation:

?????????

Answer:

Thor!

Explanation:

In Thor: Ragnarok he beat the Hulk in order for Hulk to win thor had to be electrocuted and in Avengers: Endgame Thor is seen holding open the  "Floodgates" and withstanding the radiation from a dying star, also the fact that Thor is a god means that he is all powerful and the rightful heir to the throne to Asgard, plus the fact that he has defeated Loki multiple times a feat that not even the Hulk has done.

Answer:

A cost is something you have to give up or sacrifice and a benefit is something that is gained or is helpful.

Explanation:

In a cost-benefit analysis of a system, an engineer is to simply look at the requirements for the system and determine the costs to build the system, both in financial value and energy value.  Additionally, the engineer needs to determine the benefits that would come from choosing a particular path of cost.  If the benefits outweigh the cost for the project, then the solution is accepted.  Else, the cost outweighs the benefit and the solution is rejected.

Section 420.6(a) of the National Electrical Code (NEC) states that the tables should not be used for calculating the maximum number of conductors that can be installed in various raceway and cable types.

It is a standard of practice for the safe installation of electrical wiring and equipment in the United States. The NEC is updated every three years to reflect the most up-to-date electrical safety practices.In 2020, the latest NEC was released. The NEC contains regulations for everything from electrical wire size to electrical panel installation. Its goal is to ensure the safe installation of electrical systems in both residential and commercial settings.

Section 420.6(a) is part of Article 420 of the NEC, which covers installation standards for electrical equipment used in a hazardous (classified) location. Hazardous locations are areas where combustible gases, vapors, dusts, or fibers exist in concentrations that could cause a fire or explosion if a source of ignition were present. Section 420.6(a) of the NEC states that the tables used to determine the maximum number of conductors that can be installed in various raceway and cable types should not be used for calculating.

The tables are not a substitute for proper engineering calculations when designing an electrical system. This means that the tables should be used as a general guide, but not as the only means of determining the maximum number of conductors that can be installed.

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Answer:

True

Explanation:

A forklift will tip over if the center of gravity is outside the stability triangle. The stability triangle refers to the area within the three wheels of a forklift that ensures the stability of the machine and prevents tipping. If the center of gravity of the load being carried by the forklift moves outside of the stability triangle, the machine becomes unstable and is at risk of tipping over. It's important to properly balance the load on a forklift and ensure that the center of gravity stays within the stability triangle to avoid accidents and maintain safety.

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Answer:

(i) IR = 100.167 A Iy = 75.125∠-120 IB = 50.083 ∠+120 (ii) IN =43.374∠ -30°

Explanation:

Solution

Given that:

Three loads  24 kW, 18 kW, and 12 kW are connected between the neutral.

Voltage = 415V

Now,

(1)The current in each line conductor

Thus,

The Voltage Vpn = vL√3

Gives us, 415/√3 = 239.6 V

Then,

IR = 24 K/ Vpn ∠0°

24K/239.6 ∠0°= 100.167 A

For Iy

Iy = 18k/239. 6

= 75.125A

Thus,

Iy = 75.125∠-120 this is as a result of the 3- 0 system

Now,

IB = 12K /239.6

= 50.083 A

Thus,

IB is =50.083 ∠+120

(ii) We find the current in the neutral conductor

which is,

IN =Iy +IB +IR

= 75.125∠-120 + 50.083∠+120 +100.167

This will give us the following summation below:

-37.563 - j65.06 - 25.0415 +j 43.373 + 100.167

Thus,

IN = 37.563- j 21.687

Therefore,

IN =43.374∠ -30°

Answer:

What you should do changes based on the hazards you're exposed to.

You should be aware of any hazards that are present.

The correct option that can replace the missing loop header so the method count Peaks works as intended is option c. p < data. length - 1.

As it contains the correct syntax for the loop header.

Given a problem in which we are to determine which of the loop header is missing from the loop statement so that the method `count Peaks` works as intended.

In order for the `count Peaks()` method to work as intended, the loop header should be as follows:

` for(int p = 1; p < data.length - 1; p++)`

We need to look for the loop header in the provided options that matches the above syntax. The correct option that has the syntax that matches the above loop header syntax is c. `p < data. length - 1`

Therefore, the option C can replace the missing loop header so the method count Peaks works as intended and we can write the loop header as `for(int p = 1; p < data. length - 1; p++)`.

Hence, option (C) is the correct answer.

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Answer:

30w

Explanation:

False. An auxiliary view is not formed from any point of view other than the six primary views.

An auxiliary view is a specialized projection view that is derived from one of the primary views to show additional details or angles of an object that cannot be adequately represented in the primary views. It is created by projecting the object onto a plane that is not one of the standard six orthogonal planes used for the primary views (front, top, right side, left side, bottom, and back).

The purpose of an auxiliary view is to provide a clearer and more comprehensive representation of the object's features and dimensions from a specific perspective.

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Answer:

what is that?

Explanation: