The factor of safety for a machine element depends on the particular point selected for the analysis.
This bar is made of AISI 1006 cold-drawn steel (Sy=280MPa) and it is loaded by the forces F=0.55kN, P=8.0kN and T=30N.m. Based upon the Von Misses theory, determine the safety factor for points A and B.

Answers

Answer 1

Based upon the Von Mises theory, the safety factor for points A and B are 2.77 and 6.22 respectively.

How to calculate the safety factor for points A and B?

From the diagram of this bar made of AISI 1006 cold-drawn steel shown in the image attached below, we can logically deduce the following parameters:

Stress, Sy = 280 MPa.Force, F = 0.55 kN to N = 550 N.Pressure, P = 8.0 kN to N = 800 N.Surface tension, T = 30 Nm.Length, l = 100 mm to m = 0.1 m.Diameter, d = 200 mm to m = 0.02 m.

At point A, the stress is given by this equation:

σx = Mc/I + P/Area

[tex]\sigma_x = \frac{Fl(\frac{d}{2}) }{\frac{\pi d^2}{64} } +\frac{P}{\frac{\pi d^2}{4} } \\\\[/tex]

σx = 32Fl/πd³ + 4P/πd²

Substituting the given parameters into the formula, we have;

σx = 32(550)(0.1)/π(0.02)³ + 4(800)/π(0.02)²

σx = 95.49 MPa.

Next, we would determine the torque:

Mathematically, torque can be calculated by using this formula:

τxy = Tr/J = 16T/πd³

τxy = 16(30)/π(0.02)³

τxy = 19.10 MPa.

From Von Misses theory, we have:

σVM = √(σx² + 3τxy²)

σVM = √(95.49² + 3(19.10)²)

σVM = 101.1 MPa.

Now, we can calculate the safety factor for point A:

n = Sy/σVM

n = 280/101.1

n = 2.77.

At point B, the stress is given by this equation:

σx = 4P/πd²

σx = 4(800)/π(0.02)²

σx = 25.47 MPa.

Next, we would determine the torque:

Mathematically, torque can be calculated by using this formula:

τxy = Tr/J = 16T/πd³ + 4V/3A

τxy = 16(30)/π(0.02)³ + 4(550)/3π(0.02)³

τxy = 21.43 MPa.

From Von Mises theory, we have:

σVM = √(σx² + 3τxy²)

σVM = √(25.47² + 3(21.43)²)

σVM = 45.02 MPa.

Now, we can calculate the safety factor for point B:

n = Sy/σVM

n = 280/45.02

n = 6.22.

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The Factor Of Safety For A Machine Element Depends On The Particular Point Selected For The Analysis.

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a cylindrical tank of length 30m and diameter 1.5kg contains 25kg of air. Determine the specific volume and density of the air in the tank.

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Answer: chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/http://www.velhightech.com/Documents/ME8391%20Engineering%20Thermo%20Dynamics.pdf

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Explanation:

An aircraft which is located 30 miles from a vor station and shows a 1/2 scale deflection on the cdi would be how far from the selected course centerline?

Answers

An aircraft that is located 30 miles from a VOR station and shows a 1/2 scale deflection on the CDI would be 2 1/2 or (2.5) miles. from the selected course centerline. This is further explained below.

What is aircraft?

Generally, A vehicle or equipment that is able to fly by getting assistance from the air around it is referred to as an aircraft. It does this by using either static lift or the dynamic lift that an airfoil provides, or in certain circumstances by employing the downward thrust that jet engines provide. All of these methods work together to counteract the pull of gravity.

The ground segment of a VOR system and the airplane receiver segment make up the whole of the system. Ground stations may be found at both on- and off-airport locations in order to offer pilots with guidance information while they are on route, as well as when they are arriving at and departing from airports. A VOR antenna, a VOR frequency selector, and a cockpit instrument are all components that make up the aircraft's equipment.

In conclusion, If an aircraft is positioned 30 miles away from a VOR station and exhibits a 1/2 scale deviation on the CDI, then the aircraft is located 2 1/2 miles, or (2.5), off the course centerline that was set.

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d) The lack of development of nations around the globe is ascribed t o
dishonest or fraudul ent conduct by those in power. With the knowledge you have acquired in this course, you are required t o discuss, situating your
response in the country of your origin, at least five effects of dishonest or
fraudulent conduct by those in power.

Answers

One of the solutions that can help to reduce fraudulent conduct by those in power is to hold them accountable.

What is Development?

This refers to the process through which an area or region experiences growth and improvement in terms of infrastructure and general well-being.

Hence, we can see that some of the effects of dishonest or fraudulent conduct by those in power are:

CorruptionInstabilityLack of infrastructurePovertyUnderdevelopment, etc

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(c) As Engineering and Computing students, you must be familiar, with the respective professional bodies, as well as, Rules of Practice, Professional Obligations and Codes of Ethics. Comment

Answers

The professional ethics for computer engineers are:

They will Contribute to society and to human well-being.They will  Avoid harm.Be honest and trustworthy.They will be fair and take action that do to discriminate others.

What are the Characteristics of Code of Ethics?

The code of ethics are known to be a kind of a universal moral values, that is one that state that what a person expect of any given employee such as been trustworthy, respectful, responsible, and others.

Note that Rules of Practice, Professional Obligations and Codes of Ethics. are known to be put in place to avoid issues that may lead to conflict.

Therefore, i believe that  As Engineering and Computing students, the respective professional bodies, Rules of Practice, Professional Obligations and Codes of Ethics are good and acts as a check and balance to us.

Therefore, The professional ethics for computer engineers are:

They will Contribute to society and to human well-being.They will  Avoid harm.Be honest and trustworthy.They will be fair and take action that do to discriminate others.

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Describe the potential evidences of child hood fixation that show up in adult personality?​

Answers

Answer:

Im so pretty hahahaha

Explanation:

I can describe myself to you hehehehehe I'm just calm

The potential evidence of childhood fixation that shows up in adult personality is oral fixation. It is the oral fixation that is caused by unmet oral needs. Such kinds of needs can be seen in early childhood.

What is potential evidence?

There are some devices or items that are intended or actually used depending upon their functions or capabilities. One may get other information that is contained in it. Such an item is known as potential evidence.

There is one more way to keep the record of such kind of item, and that is digital. When the evidence is recorded in the digital form, they are stored in the binary form that may be relied on in court. This evidence can be found on a computer hard drive or on a mobile phone.

Thus, it is the oral fixation that has been done in childhood.

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How do you fix this?

def quit(self):

print("%s can't find the way back home, and dies of starvation.\nR.I.P." % self.name)

self.health = 0

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The debugging of this code would be to replace Character that is inside the class "namespace".

Therefore, you must use Character.Character instead of only Character if you use the class from outside of the namespace.

What is Debugging?

This refers to the process of identifying and eliminating bugs in a computer program that does not allow it to run or execute.

Hence, we can see that the complete program contains the error of the character "Character" being inside the class "namespace". and you would need to rename it appropriately.

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Asian red coolant is what type?

Answers

Answer:

Valvoline™ ZEREX™ Asian Vehicle has been designed to meet the requirements of Asian manufacturers, which specify a silicate free HOAT formula with a phosphate additive to protect their cooling systems from rust and corrosion. Available in both red and blue formulas to better match your Asian vehicle’s specific requirements.

Explanation:

ZEREX Asian Vehicle Antifreeze/Coolant is specifically formulated to meet the requirements of Asian vehicle manufacturers (Toyota , Lexus , Scion and others) requiring a red, silicate free Hybrid Organic Acid Technology (HOAT) with a phosphate additive.

Answer:poat formulation

Explanation:

In a combination circuit, current can flow in part of a parallel circuit while another part of the circuit is turned off. true false

Answers

Answer:

no false

Explanation: all bench are ame current.

The constrained-gap igniter plug used in some gas turbine engines operates at a cooler temperature because

Answers

The constrained-gap igniter plug used in some gas turbine engines operates at a cooler temperature because:

The construction is such that the spark occurs beyond the face of the combustion chamber liner.

What is the Constrained gap igniter plug about?

A lot of igniter plugs are known to be a kind of  an annular-gap plug type.

Note that  Constrained gaps are known to be a kind of a plug that is often used in some specific kinds of engines.

It function to give an effective spark of  the annular-gap plug projects in a little way into the combustion chamber liner. The spark of the constrained-gap plug is one that do not rightly follow the face of the plug.

Therefore,  The constrained-gap igniter plug used in some gas turbine engines operates at a cooler temperature because:

The construction is such that the spark occurs beyond the face of the combustion chamber liner.

Hence, option B is correct.

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See full question below

The constrained-gap igniter plug used in some gas turbine engines operates at a cooler temperature because

impulse, reaction, and impulse-reaction. the construction is such that the spark occurs beyond the face of the combustion chamber liner. 3 and 5. cracks or other defects.

he critical buckling load of an ideal column of circular cross section can be reduced by: The critical buckling load of an ideal column of circular cross section can be reduced by: increasing the Poisson's ratio of the column material increasing the length of the column increasing the modulus of elasticity of the column material increasing the diameter of the column

Answers

The critical buckling load of an ideal column of circular cross section can be reduced by increasing the diameter of the column.

What is critical load of buckling of column?

The critical load is known to be that factor that is labeled the greatest load that is one which is unable to cause lateral deflection (buckling).

Note that For loads greater than the critical load, the column will tend to decrease laterally. The critical load is known to be one that puts the column in what we call the state of an unstable form of equilibrium.

The critical buckling load is based  on the shape and dimensions of beam section that is said to have constant cross sectional area.

Hence, The critical buckling load of an ideal column of circular cross section can be reduced by increasing the diameter of the column.

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Business support systems ____.

Answers

Answer:

system that supporting company or business

like business partner always support each other

to be strong and big company

Explanation:

that only i know

Answer:

Hey leehyunkim i want talk to u

Effutu community members, in a recent community conference aimed at
deliberating on dishonest behavior of some communi ty leaders ended up
justifying unet hical behavior with the assertion that everybody acts
unethically. As a professional ethics st udent, analyze five reasons why
members in Effutu community act unethically

Answers

As a professional ethics student, analyze five reasons why members of Effutu community act unethically.

They are:

They believe that everyone acts unethicallyThey believe that there is little to no reward in acting honestlyThey do not believe that ethics has any long-term benefitThey do not want to be the odd-one-outThey are scared of change starting from them

What is Ethics?

This refers to the moral principles that guide a person's behavior and show their conduct to others and also to themselves.

Hence, we can see that based on the assertion made by the Effutu community members, they ended up justifying unethical behavior and the analysis has been made above.

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Invent five new communication method wired or wireless you think would be practical

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The five type of new communication method (both wire and wireless) are:

Social MediaSMS Text MessagingEmail MarketingDirect EmailVoice Calling

What is a communication?

This means the act of giving, receiving and sharing of information as well as talking, writing, listening or reading.

The types of Communication includes:

Verbal Communication: It occurs when we engage in speaking with others.Non-Verbal Communication: It occurs when what we speak often says more than the actual words.Written Communication: It occurs in an actual text or writing.Listening: It occurs when we pay attention to a speaker.

The wired communication involves transmission of data over a wire-based communication technology while a wireless communication involves transmission of data without the use of a cable or wire.

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When making a conduit-to-box connection and a bonding wire will be installed, use?

Answers

When making a conduit-to-box connection and a bonding wire will be installed, by using a. grounding locknut.

How can one connect conduit to a box?

Metallic couplings  can be used for metallic conduit and they can be  secured  with set screws or via compression.

It should be noted that the threaded couplings screw onto couplings that have threaded ends will make it easier.

Nonmetallic couplings can be used for  nonmetallic conduit  which are usually attached with solvent cement, hence When making a conduit-to-box connection and a bonding wire will be installed, by using a. grounding locknut.

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a) Your friend is faced with a situation i n whi ch t here is a difficulty in
choosi ng bet ween what he/she is being asked t o do and what is consistent
wit h appropriate ethi cal behavi or. Such a situati on calls for critical thi nking
in deci di ng about what shoul d be t he proper course of acti on. Wit h concrete
exa mpl es, exa mi ne any four steps he/she needs t o go through i n order to
make t he ri ght et hical decisions.

Answers

The Steps my friend need to make an ethical decision are:

Step One: He or she needs to define the Problem. Step Two: He or she needs to find out possible Resources to solve the problem and then  Brainstorm on the  List for the Potential Solutions to the problem.Step Three : Evaluate and examine those Alternatives. ...Step Four : Make his or her Decision, Implement It and then examine your Decision.

What is ethical decision model?

An ethical decision-making model is known to be a kind of a tool that can be used by a person to help create the ability to think in regards to an ethical dilemma and come to an ethical decision.

Note that Ethical decision-making is one that is dependent on the key character values such as trustworthiness, respect, role, fairness,  and others.

Therefore, The Steps my friend need to make an ethical decision are:

Step One: He or she needs to define the Problem. Step Two: He or she needs to find out possible Resources to solve the problem and then  Brainstorm on the  List for the Potential Solutions to the problem.Step Three : Evaluate and examine those Alternatives. ...Step Four : Make his or her Decision, Implement It and then examine your Decision.

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A regulator diaphragm is often made from ____. reinforced rubber malleable iron tempered aluminum stainless steel

Answers

Answer:

Stainless Steel.

Explanation:

A regulator diaphragm is often made from stainless steel.

A complicated emissions control system would be the only way to lower a rotary engines poor emissions.

Answers

It is false that a complicated emissions control system would be the only way to lower a rotary engines poor emissions.

What is emission control system?

Emission control system is developed to reduce emissions and discharge.

They are found in vehicles and other automobile to limit the discharge or release of gases thay are noxious which emit from combustion engine.

To control exhaust emissions, the air-injection system can be used and also, the exhaust gas recirculation (EGR) system can be used to reduce emissions. A high emissions requires high energy control system.

Therefore, It is false that a complicated emissions control system would be the only way to lower a rotary engines poor emissions

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Determine the critical load if the bottom is fixed and the top is pinned. ewew = 1. 6 ×(10)3ksi×(10)3ksi ,σyσy = 5 ksiksi

Answers

What is a Critical Load?

Critical load Fcr or buckling load is the value of load that causes the phenomenon of change from stable to unstable equilibrium state.

With that beign said, first it is neessary to calculate the moment of inercia about the x-axis:

[tex]Ix= \frac{db^3}{12}\\ Ix = \frac{2.(4)^3}{12} = 10.667in[/tex]

Then it is necessary to calculate the moment of inercia about the y-axis:

[tex]Iy = \frac{db^3}{12}\\ Iy = \frac{4.(2)^3}{12} = 2.662in[/tex]

Comparing both moments of inercia it is possible to assume that the minimun moment of inercia is the y-axis, so the minimun moment of inercia is 2662in.

And so, it is possible to calculate the critical load:

[tex]Pc\gamma = \frac{2046\pi ^2E.I}{L^2} \\Pc\gamma= \frac{2046.\pi ^2.(1,6.10^3.10^3).2662}{(10.12)^2} \\Pc\gamma= 5983,9db[/tex]

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The diameter of a cylinder was measured 2 times and the following data values were obtained 10.14 mm 10.16 mm .The diameter with its uncertainty is :

Answers

Answer: D

Explanation: did it on edge

Question1:
You are contracted to install MS Exchange Server software on all PCs of a company. After doing half of the work, you found that the company did not pay MS for the copies you are installing. You notified the company that they were out of compliance with MS licensing requirement, but got no response.
(a) What do you do?.
(b) What other information would you need?.
(c) Explain.

Answers

Since you have notified the company that they were out of compliance with MS licensing requirement, the next thing to do is to look or ask for the product key that is with the company

The other information would you need is for the company to obtain the product license by buying the product key.

Do you need a license for Microsoft?

If you get to buy any of the  standard Microsoft Office or other packages that is said to be the Home and Student edition, a person or firm will need a  license.

Note that the license is one that guarantee one the use of the product and its installation.

Therefore You need to purchase a lot of  copies of it and as such, Since you have notified the company that they were out of compliance with MS licensing requirement, the next thing to do is to look or ask for the product key that is with the company

The other information would you need is for the company to obtain the product license by buying the product key.

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A flux used for welding, brazing, or soldering prevents the formation of, dissolves, or helps remove?

Answers

Answer:

Helps to remove Oxides formed during brazing.

Explanation:

Flux is needed to dissolve and remove oxides that may form during brazing. Prevent or inhibit the formation of oxide during the brazing process

A station supplies 250 kVA at a lagging power factor of 0.8. A synchronous motor is connected in parallel with the load. If combined load is 250 kW with lagging p.f. of 0.9, determine:

Answers

Answer:al part of question

Explanation:voltage

Technician A says that some manufacturers recommend against breaking the cylinder glaze with a glaze breaker when re-ringing an engine that has not been removed from the car. Technician B says that a Flex-Hone is used to help break the cylinder glaze so new rings can seat more easily. Who is right

Answers

Both Technician A that says that some manufacturers recommend against breaking the cylinder glaze with a glaze breaker and Tech B that says  Flex-Hone is used to help break the cylinder glaze are right.

What is the reason behind deglazing a cylinder?

Deglazing  can be regarded as the techniques that is been used  on the surface of an engine cylinder which is been  roughened to create friction between the moving parts .

Doing this will now give room for engine oil to grip the sides of the cylinder, hence Both Technician A that says that some manufacturers recommend against breaking the cylinder glaze with a glaze breaker and Tech B that says  Flex-Hone is used to help break the cylinder glaze are right.

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In an ungrounded electrical systems with conductors installed in grounded metal raceways and enclosures, what is the voltage from the current carrying conductors to the metal raceways and why?

Answers

In the ungrounded electrical circuits or systems, the circuit is one that is not  or do not have the connection to the grounding electrode.

What is an ungrounded electrical system?

An ungrounded system is known to be defined as a system that is known to be one that do not have an intentional connection to ground, and it has an exception of possibly going through potential indication or other kinds of devices.

Note that The neutral of an ungrounded system is one that is seen to be under reasonably balanced load conditions and thus it is one that is usually near to ground potential.

Hence, In the ungrounded electrical circuits or systems, the circuit is one that is not  or do not have the connection to the grounding electrode.

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what do you understand by the statement"the relative velocity of a body A with respect to body B".​

Answers

The relative velocity is defined as the velocity of an object with respect to another observer. It is the time rate of change of relative position of one object with respect to another object.

What is the relative velocity of A with respect to B?

The relative velocity of A with respect to B= velocity of the body A – velocity of the body B.

What is relative velocity and its formula?

The relative velocity formula is expressed as. V → = V A B → + V B C → Where. VAB is the velocity with respect to A and B, VBC is the velocity with respect to B and C and VAC is the velocity with respect to A and C.

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the upper joint is directly above the lower joint when
viewed from the side

Answers

Answer: zero caster

Explanation:

Military glorification through mosaics, relief carvings and triumphant arches are often associated with?

Answers

Military glorification through mosaics, relief carvings and triumphant arches are often associated with roman architectural monument and is the correct choice.

What is a Monument?

This can be defined as a structure which is usually large and is used to commemorate the history of an influential person. This helps to serve as an example and also a reminder as to why the performance of good deeds are important

The use of military glorification through mosaics, relief carvings and triumphant arches were also often used by the Romans in other to commemorate war victories and the succession of a new ruler which is known as the emperor.

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what happend to the roster after he laid eggs​

Answers

Answer: The Animal was sentenced in a solemn judicial proceeding and condemned to be burned alive

Explanation: bye rooster xd

What color is a board sternlight

Answers

We can infer and logically deduce that the color of a boat's sternlight is white.

What is a sternlight?

A sternlight can be defined as a white light that is designed and developed to be placed as closely as possible and practical with the stern shining continuously (constantly).

By default, a sternlight is typically affixed to the boat in such a way that the light will shine out at an angle of 135 degrees (135°) from the back of the boat.

In this context, we can infer and logically deduce that the color of a boat's sternlight is white and it avails sailors and other persons the opportunity of determining and knowing the direction that a boat (vessel) is moving.

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Complete Question:

What color is a boat sternlight?

A series RL circuit is connected to a 240 V single-phase power line with a frequency of 60 Hz. An ammeter indicates a current flow of 10 A and a wattmeter indicates a true power of 1630 W. Calculate
a) The existing power factor of the circuit.
b) The amount of capacitance required to correct the power factor to 95%.
c) Draw the power triangle for the corrected power factor.

Answers

pf=cos(thira)

pf=kw/kvar

The power factor of the motor and the amount of capacitance is 195 μF. The amount of capacitance required to correct the power factor to 95%. Thus, option B is correct.

What is capacitor?

A capacitor has been defined as a device that stores the electric strength in an electric powered discipline by using the virtue of accumulating the electric costs on near surfaces insulated from each other. It's miles a passive digital thing with terminals.

The effect of the capacitor is referred to as capacitance. The capacitor is a part that has the capacity or “ability” to save strength inside the form of an electrical price producing a potential difference (Static Voltage) across its plates, similar to a small rechargeable battery.

Calculation:-

P = 18700

Q₂ = 29049.34

S = 29680

Q₂ = v²ωc

29049.34  = (560)² × ( 2π × 60 )

C = 1.95 × 10⁻⁴

C  = 195 μF

Therefore, The power factor of the motor and the amount of capacitance is 195 μF. The amount of capacitance required to correct the power factor to 95%. Thus, option B is correct.

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