A 50 mm diameter shaft is subjected to a static axial load of 160kN. If the yield stress of the material is 350MPa, the ultimate tensile stress is 400MPa and the fatigue limit (endurance limit) for R = -1.0 is 320 MPa, what is the amplitude of the largest fullyreversed bending moment that can be applied to this shaft so that fatigue does not occur?

Answer:

F=200kN

Explanation:

When an engine has been diagnosed with blowby, technician B is only correct who states that the compression rings could be worn.

Engine blowby happens when a mixture of combustion gases or air-fuel leaks between the pistons and cylinder wall into the crankcase of the engine because of the lose pistons's rings. Engine blowby can occur within both gas and diesel engines. Minor levels of engine blowby are normal but excessive levels of engine blowby are an indicator of larger issues. So technician B says correctly.

While technician A is not right to say that a cracked flywheel could be a reason for the blowby engine.

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"Le Plongeur," the world's inaugural type of machine-powered submarine, was conceived by Henri Dupuy de Lôme and Siméon Bourgeois in 1859.

Through its usage of a steam engine to propel a solitary propeller, the ingenious vessel exemplified modernity as it consumed coal from an inboard bunker to generate steam which activated pistons so as to drive the said propeller beneath the waves.

Furthermore, notable features such as ballast tanks that enabled balancing and alteration of depth, concurrent with a snorkel for air intake whilst submerged, further set "Le Plongeur" apart as a maritime feat of engineering.

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Answer:true

Explanation:g

On-site oil storage containers must be marked “Used Oil.” is the true statement.

Steel containers have long been used to hold oils and other liquids, but regular steel is known to rust, corrode, and degrade more quickly than stronger materials. A stainless steel container offers more protection, and storing oil in one won't result in rust problems.

Use of glass or metal containers is their greatest option. If a person plan to store something in the refrigerator, use containers that can handle the cold. No matter what kind of oil you have, you must keep it away from light. Always keep them out of the way, covered, and away from direct light. The oil should be kept in a cool, dark location, like your pantry. Keep it away from the light and the stove. The oil will oxidize more quickly in the presence of heat and light.

Thus, it is a true statement.

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Answer:

Water Hammer is a knocking sound in an water pipe which occurs when the tap is turned off briskly

Explanation:

Blistered paint is indeed a symptom of exposure to heat on a ladder, so the answer, based on the facts provided in the question, is yes.

A rivet is a particular kind of physical fastener that is used to permanently join or assemble parts using special installation techniques. It comprises of a head linked to a smooth cylindrical body at one end; the head's diameter is greater than the shaft's.

Rivets provide significantly better hold than screws. They won't shake loose and are impossible to open. This is so that the rivet supports both sides, whereas the screw has only a head on one.

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The steel-frame structural support was a main feature in the development of t the floors, roof, walls and  skyscraper.

Steel frame is known to be a form of a building method that is used along with a skeleton frame that is made up of steel columns and  I-beams.

Conclusively, This is often used  in the construction of grid to aid the floors, roof and walls of any kind of building. It is also used in the construction of skyscraper.

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In this question we shall present the algorithm in pseudocode, whose structure is now summarized:

1) Inputs.

2) Algorithms.

3) Outputs.

Please notice that While-cycles consider the requirement of using the algorithm as many times as user wants.

Name: Area-or-Circunference

CHAR - decide

REAL - radius, circumference, area

Say "Do you want to calculate? [Y] - Yes/[N] - No";

Write decide;

While (decide != 'Y' and decide != 'y' and decide != 'N' and decide != 'n'):

    Say "Invalid option. Do you want to calculate? [Y] - Yes/[N] - No";

    Write decide;

end-While

While (decide = 'Y' or decide = 'y'):

    Say "Please indicate a radius";

     While (radius < 0):

          Say "Radius must be equal or greater than 0. Please indicate a  

                   radius";

          Write radius;

      end-While

      If (radius < 1):

          circumference = 2*3.14*radius;

          Say "The circumference has a value of %circumference length units";

       Else:

          circumference = 2*3.14*radius;

          area = 3.14*radius*radius;

          Say "The circumference has a value of %circumference length units

                   and the area has a value of %area square units";

        end-If

        Say "Do you want to calculate? [Y] - Yes/[N] - No";

        Write decide;

        While (decide != 'Y' and decide != 'y' and decide != 'N' and decide !=

        'n'):

              Say "Invalid option. Do you want to calculate? [Y] - Yes/[N] - No";

              Write decide;

         end-While

end-While

If (decide = 'N' or decide = 'n'):

    Say "Good luck";

end-If

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Answer:

at  t = 45 s :  

To = 61.7⁰c,  T1 = 55.6⁰c, T2 = 49.5⁰c, T3 = 34.8⁰C

Explanation:

Wall thickness = 0.12 m

thermal diffusivity = 1.5 * 10^-6 m^2/s

Δt ( time increment ) = 300 s

Δ x   = 0.03 m ( dividing wall thickness into 4 parts assuming the system to be one dimensional )

using the explicit finite-difference technique

Detailed solution is attached below  

Shop 2 is the better option in terms of cost-effectiveness for obtaining washers within the required thickness range.

To determine which machine shop offers the better deal for the required washers, we need to compare the costs associated with each shop and assess the probability of obtaining washers within the required thickness range.

Let's calculate the costs and probabilities for each shop:

Shop 1:

- Cost: $3 per 1000 washers.

- Thickness distribution: Normally distributed with a mean of 0.12 inches and a standard deviation of 0.001 inches.

Shop 2:

- Cost: $2.60 per 1000 washers.

- Thickness distribution: Normally distributed with a mean of 0.12 inches and a standard deviation of 0.0015 inches.

First, let's calculate the probability of obtaining washers within the required thickness range for each shop using the standard normal distribution:

Shop 1:

- Probability of washers within the range: P(0.118 ≤ X ≤ 0.122) = P(Z ≤ (0.122 - 0.12) / 0.001) - P(Z ≤ (0.118 - 0.12) / 0.001)

- P(Z ≤ 2) - P(Z ≤ -2) ≈ 0.9772 - 0.0228 ≈ 0.9544

Shop 2:

- Probability of washers within the range: P(0.118 ≤ X ≤ 0.122) = P(Z ≤ (0.122 - 0.12) / 0.0015) - P(Z ≤ (0.118 - 0.12) / 0.0015)

- P(Z ≤ 1.33) - P(Z ≤ -1.33) ≈ 0.9088 - 0.0912 ≈ 0.8176

Now, let's calculate the expected cost for each shop by considering the probability and cost of washers within the required thickness range:

Shop 1:

- Expected cost per washer: $3 / 1000 = $0.003

- Expected cost per usable washer: $0.003 * 0.9544 ≈ $0.002863

Shop 2:

- Expected cost per washer: $2.60 / 1000 = $0.0026

- Expected cost per usable washer: $0.0026 * 0.8176 ≈ $0.002123

Comparing the expected cost per usable washer, we can conclude that Shop 2 offers the better deal. The expected cost per usable washer from Shop 2 ($0.002123) is lower than that from Shop 1 ($0.002863).

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1. We can see here that three phase refers to a type of electrical power transmission that uses three alternating current (AC) waveforms that are 120 degrees out of phase with each other. This is different from single-phase power transmission, which uses only one AC waveform.

Voltage, also known as electric potential difference, is a measure of the electrical potential energy per unit of charge in an electrical circuit. It is defined as the amount of work required to move a unit of electric charge between two points in a circuit, typically measured in volts (V).

Three-phase power is needed because it allows for more power to be transmitted over a given amount of wire or cable. With three-phase power, the power is delivered in a more consistent manner, which means that there is less voltage drop over long distances.

2. In order for a three-phase system to be balanced, the three phases must have the same amplitude and be 120 degrees out of phase with each other. The voltage equation of a balanced three-phase voltage source is given by:

Vph = Vline / √3

where Vph is the phase voltage and Vline is the line voltage. The phasor diagram for a balanced three-phase system shows three sinusoidal waveforms that are displaced by 120 degrees from each other.

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this looks like its the different phases of a single cylinder 4 stroke engine what are you doing in the picture or assignment though matching the numbers to the descriptions on the side?

How fast is the fastest wind tunnel?

The JF-22 wind tunnel, which would be the fastest in the world, would be situated in the Huairou District of northern Beijing and be capable of simulating flights at speeds of up to 10 km/s, or 30 times the speed of sound.

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(a) The tooling is called a punch-and-die. (b) The machine tool is called a stamping press.

Manufacturing ferrous or nonferrous metal goods, structural metal products, metal forgings, and metal stampings are all included in metalworking processes. They also involve a variety of other metal and wire goods, including silverware, watches, clocks, scientific measuring and regulating devices, and jewelry.

Punch and dies are a type of cutting tool equipment utilized in the high-heat metal forming process known as forging and punching. The cutting workpiece needs a "punch" to act as a pusher, and the punch pushes in the die as a secondary item.

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Answer:

Base current increases and collector current decreases

Explanation:

Base current increases and collector current decreases

The collector current does reduces because electrons that moves from emitter to base and the electrons that moves from collector to base are both cancelled out. Some of these electrons enter from the emitter to the collector because, in a way, the emitter has been heavily döped

An increase in base current also means that there is more bias to the transistor

Answer:

I am pretty confident it is the Employer!

Explanation:

They have the responsibility to provide a safe workplace that is free from serious hazards, according to the General Duty Clause of the OSH Act (OSHA Standards)

I hope this helped you!! :D

Answer:

Employers

Explanation:

OSHA requires employers to: Provide working conditions that are free of known dangers. Keep floors in work areas in a clean and, so far as possible, a dry condition. Select and provide required personal protective equipment at no cost to workers.

Answer:

c Many transportation industries were deregulated.

Explanation:

correct on edge 2022

A Master of Science (MS) program in information security is typically focused on providing students with advanced technical skills and knowledge in the field of information security.

This may include topics such as computer systems and network security, cryptography, data security, and risk management. An MS program in information security is typically geared towards preparing students to perform information security work, such as designing and implementing security systems, conducting security assessments, and responding to security incidents.

On the other hand, a Master of Business Administration (MBA) program is typically focused on providing students with business and management skills and knowledge. This may include topics such as finance, marketing, operations, and strategy. An MBA program is typically geared towards preparing students to manage and maintain the people and environment of information security. This may include tasks such as developing and implementing security policies, managing security budgets, and leading security teams.

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Answer:

This article deals with weight formula and its derivation. Weight refers to the force which acts on a body or object due to the effect of gravity. So, when an individual stands on a scale, the reading that appears is the weight. The more an individual weighs consequently means a higher reading on the scale. When an individual loses weight, he should think of it as lessening one’s force on the Earth due to gravity.

weight formula

What is Weight?

Simply speaking, weight refers to the force of gravity. Weight is certainly a force that acts on all bodies or objects at all times near a heavenly body such as the Earth. The Earth pulls all objects downward towards the center with a force of gravity. One can find the magnitude of the force of gravity by multiplying the magnitude of the acceleration due to gravity by the mass of the particular object.

Some books describe weight as a scalar quantity, the magnitude of the gravitational force. In contrast, some books refer to weight as a vector quantity, the gravitational force which acts on the object. Moreover, some experts explain weight as referring to the magnitude of the reaction force which is exerted on a body by various mechanisms. Also, these mechanisms keep the body in place.

The unit of measurement for weight is certainly that of force. This unit in the International System of Unit (SI) is the newton. The object with a mass of 1 kilogram would weigh about 9.8 Newtons on the Earth’s surface. Furthermore, it would weigh about one-sixth as much on the moon.

Weight Formula

The weight of an object or body certainly depends on the mass of the object and the gravity acting on it. This is why, the weight is different from mass. The mass of an object would be same whether on the Earth or on the Moon. The weight of an object due to the influence of gravity would be different on the Earth than on the Moon. The weight formula can be explained as follows:

Weight = mass × gravity

The formula for this is:

w = mg

Here we have,

w = weight

m = mass

g = gravity

Explanation:

I don't know how?

i hate it that it says 20 charcters long

Answer:

The right answer is "36.32 W/mk".

Explanation:

According to the question,

TiC = 76%

or,

      = 0.76

CO = 24%

or,

     = 0.24

Thermal conductivity of TiC,

= 26 W/mk

Thermal conductivity of CO,

= 69 W/mk

On applying the rule, we get

⇒  \("K" \ of \ Cermet=(K)_{TiC} (V_f)_{TiC}+(K)_{CO} (V_m)_{CO}\)

On putting the given values, we get

⇒                            \(=(26)(0.76)+(69)(0.24)\)

⇒                            \(=19.76+16.56\)

⇒                            \(=36.32 \ W/mk\)

The three elements necessary for fire to exist are heat, fuel, and oxygen.

The three elements that must be present for fire to exist are:

Heat: Fire requires an initial heat source to start the combustion process. This heat can be provided by a flame, a spark, friction, or any other source capable of raising the temperature of the fuel to its ignition point.

Fuel: Fire needs a fuel source to sustain the combustion.

Fuel can be any combustible material such as wood, paper, gas, oil, or even certain metals.

The fuel provides the necessary chemical components that can undergo combustion and release energy in the form of heat and light.

Oxygen: Fire requires an adequate supply of oxygen to support the combustion process.

Oxygen in the air reacts with the fuel, enabling it to burn.

The presence of oxygen allows for the chemical reaction known as oxidation, which releases heat and produces flames.

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It is to be noted that all UHRS platforms are optimized for the popular kinds of internet browser applications.

The Universal Human Relevance System (UHRS) is a crowdsourcing platform that allows for data labeling for a variety of AI application situations.

Vendor partners link people referred to as "judges" to offer data labeling at scale for us. All UHRS judges are bound by an NDA, ensuring that data is kept protected.

A browser is a software tool that allows you to see and interact with all of the knowledgeon the World Wide Web. Web sites, movies, and photos are all examples of this.

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At its maximum no-load speed, an engine may hunt and surge due to a blocked carburetor bowl vent.

An engine or motor is a device designed to convert electrical energy from one or more sources into mechanical energy.

Currently available energy sources include potential energy, heat energy, chemical energy, electric potential, nuclear energy, and energy from the Earth's gravitational field (from nuclear fission or nuclear fusion).

Since many of these processes require heat as an intermediary energy source, heat engines are particularly crucial.

One instance of a natural process that converts environmental heat into motion is atmospheric convection cells (e.g. in the form of rising air currents).

Mechanical energy is essential for transportation in addition to participating in many industrial operations like cutting, grinding, crushing, and mixing.

Mechanical devices transform heat into work.

Hence, At its maximum no-load speed, an engine may hunt and surge due to a blocked carburetor bowl vent.

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Two flooring options to consider are hardwood flooring and carpeting. Hardwood flooring offers durability, easy maintenance, and a timeless aesthetic. Carpeting provides warmth, comfort, and sound insulation.

When selecting flooring options, several factors should be considered. For hardwood flooring, durability is a significant factor. Hardwood is known for its long-lasting nature and can withstand high foot traffic areas. It is an ideal choice for spaces such as living rooms, dining rooms, and hallways. Additionally, hardwood flooring is easy to clean, making it suitable for individuals with allergies or asthma.

Carpeting, on the other hand, offers a softer and warmer feel underfoot, making it a popular choice for bedrooms and cozy spaces like family rooms. It provides insulation, both thermal and acoustic, creating a quieter and more comfortable environment. However, carpeting requires regular vacuuming and may be prone to staining and wear in high-traffic areas.

Other factors to consider when choosing between hardwood flooring and carpeting include personal preferences, maintenance requirements, budget, and the overall style of the space. It's essential to assess the needs of the specific area where the flooring will be installed. For example, areas with a higher risk of spills or moisture, such as kitchens and bathrooms, may not be suitable for carpeting. Overall, understanding the advantages and limitations of each flooring option will help in selecting the most appropriate choice for different types of spaces.

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The basic requirement of measurements is to have a standard or reference point against which to compare the quantity being measured. This standard or reference point should be well-defined and stable, and the measurement process should be repeatable and consistent. Additionally, it is important to ensure that the measurement equipment is calibrated and in good working condition.

Answer:

The most basic requirement for measurements is the presence of a standard or reference point against which the quantity being measured can be compared. The measurement process should be repeatable and consistent, and the standard or reference point should be well-defined and stable. Furthermore, ensure that the measurement equipment is calibrated and in good working order.

Explanation:

Answer:

Two basic components of a buildings superstrcuture are beams and slabs. These components both safley transger the live loads, dead loads, and other loads to the substrutufe. This further distributes it to the underlying earth

Explanation: