To keep rubber combs in good condition, avoid contact with:

Answer :

Im not really sure tbh

Explanation:  Water at 15°C is heated by passing it through 2-cm internal-diameter thin-walled copper tubes. Heat is supplied to the water by steam that condenses outside the copper tubes at 120°C. If water is to be heated to 65°C at a rate of 0.2 kg/s, determine (a) the length of the copper tube that needs to be used and (b) the pumping power requirement to overcome pressure losses. Assuming the entire copper tube to be at steam temperature of 120°C

Answer:

Here, in America we use more than 300 gallons of water per day.

Explanation:

I looked it up sooo- yeah.

And I hope this helped,

The voltage e₀ in the circuit is 4 V hence option A is correct.

Voltage is defined as the force applied by the power source of an electrical circuit that forces charged electrons (current) through a conducting loop, allowing them to perform tasks like lighting a lamp. Electric potential difference, sometimes referred to as voltage, is measured in units called volts.

Circuit is defined as a closed-loop or route that connects electrical parts and allows electrons to flow. A ring main, also known as the final circuit, is exactly what it sounds like. It transfers the power from the consumer unit to the outlets.

Thus, the voltage e₀ in the circuit is 4 V hence option A is correct.

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In this circuit, we have two resistors and we are required to determine the voltage across the load resistance.

The voltage across the 100 nΩ load resistor is,

\(3.98 μV or 3.98 * 10^-6V.\)

Voltage division formula is given as;

V x is the voltage drop across the resistor Rx
V t is the total voltage applied to the resistive circuit
RT is the equivalent resistance of the circuit

To solve the given problem, we can use the voltage division concept, which is given as:

\($$V_{load}=\frac{R_{load}}{R_{load}+R_{out}}*\frac{R_{in}}{R_{in}+R_{source}}*V_{source}$$\)

Putting all these values in the above-given equation, we get:

\($$V_{load}=\frac{0.1}{0.1+100}*\frac{40}{40+10000}*10*10^{-3}$$$$\)

\(=\frac{0.1}{100.1}*4*10^{-3}$$$$\)

\(=3.98*10^{-6}V$$\)

\(3.98 μV or 3.98 * 10^-6V.\)

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The 3 functions of the manage phase are:

1. Data storage and organization: In this function, data is stored and organized in a structured manner, allowing for easy access and retrieval. This involves choosing the appropriate storage systems and formats to maintain the integrity and quality of the data.

2. Data security and access control: This function focuses on ensuring the security of the data and controlling access to it. This involves implementing measures such as encryption, user authentication, and authorization to protect sensitive data from unauthorized access or tampering.

3. Data maintenance and monitoring: The third function involves the regular monitoring and maintenance of the data. This includes tasks such as updating the data when needed, checking for and addressing data quality issues, and monitoring the performance of the storage systems and data processing tools.

In summary, the 3 functions of the manage phase of the data life cycle are data storage and organization, data security and access control, and data maintenance and monitoring. These functions ensure that data remains accurate, accessible, and secure throughout its life cycle.

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There will be several advantages to equipment standardization. Digital solutions accelerate standardization by giving an overview of the field equipment.

By using the most effective and efficient procedures, they aid in accelerating the rate of output. Reduce construction costs overall, especially for big contracts. A machine or piece of equipment can effortlessly perform tasks that are too difficult or delicate for human muscles to complete.

In general, they are used to assemble or disassemble objects (such as hammers and nail guns) (e.g., jackhammers and saws). Hand tools and power tools are two common categories for tools. All non-powered instruments are considered hand tools, such as such as pliers and hammers.

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It is important for Technicians to be knowledgeable about these differences to perform accurate and efficient diagnostics and repairs.

Technician B is correct. Although speed sensors serve a similar purpose in various vehicles, each manufacturer, and sometimes even different ABS systems within the same manufacturer, may use different types of speed sensors. This can result in different diagnostic procedures required to troubleshoot and fix issues related to the ABS system.
The reason for these differences is that manufacturers design their ABS systems with specific components and software to meet the unique requirements of their vehicles. Consequently, the diagnostic procedures and tools needed to identify and fix problems may vary. Professional technicians need to be familiar with the specific procedures and tools recommended by each manufacturer to ensure accurate and effective diagnosis and repair of ABS systems.
In  Technician B is correct because each manufacturer, and sometimes different ABS systems, use different diagnostic procedures due to the unique design of their speed sensors and ABS components. It is important for technicians to be knowledgeable about these differences to perform accurate and efficient diagnostics and repairs.

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Small particles in your power steering system may Damage the hydraulic pump.

Check more about the reason for the above in the power steering system below:

If a person is said to have notice that there is  small black particles that can be seen inside of the power steering reservoir, there is therefore some chances that are these are some piece of the hose, instead of  the pump or rack.

Since High-temperature pulsations can be able to lead the power steering hoses to be destroyed  from the inside.

Therefore, based on the above, one can say that Small particles in your power steering system may Damage the hydraulic pump.

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Answer:

the right answer is d and b

Answer:

The GMAW process commonly uses a constant voltage power source (GMAW-CV) that allows for a relatively constant welding voltage output over a range of welding currents. For GMAW-CV the welder selects the wire feed speed (WFS) on the wire feeder unit and an appropriate voltage on the welding power supply.

Answer:

its A, first choice on khan

Explanation:

Answer:

The electric ceiling fan was invented in 1882 by engineer and inventor, Philip Diehl. He had earlier invented an electric sewing machine and adapted the motor from this invention to create the ceiling fan. He called his invention the “Diehl Electric Fan” and it was such a success that he soon had many other people competing with him.

Explanation:

Answer:

Scientists were surprised to find that Ötzi the Iceman's stomach contained remnants of red deer meat, as it had been previously assumed that his diet consisted primarily of plants. This finding provided new insights into the dietary habits of Copper Age Europeans and challenged previous assumptions about their reliance on agriculture. Additionally, the presence of the red deer meat in Ötzi's stomach suggested that he had eaten a last meal that was high in fat and protein, which may have provided him with the energy needed for his fateful journey through the Alps.

Answer:

Ötzi the Iceman was a well-preserved mummy found in the Italian Alps in 1991. One of the most interesting things about his remains was the discovery of his last meal. Analysis of his stomach contents showed that he had recently eaten a meal of ibex meat, a type of wild goat that lived in the region, and a type of ancient bread made from einkorn wheat. What surprised scientists was the presence of the ibex's stomach contents in Ötzi's stomach. They discovered that Ötzi had eaten the ibex meat raw, with no signs of cooking. This was surprising because it was previously believed that prehistoric humans only ate meat that had been cooked over fire. The discovery of the raw meat in Ötzi's stomach suggested that prehistoric humans may have eaten raw meat more often than previously thought and that cooking food may not have been as prevalent in ancient societies as previously believed.

A system contains two components A and B that are connected in series. The two components are required to function together in order for the system to work. Let’s assume that A and B work independently from each other. The probability that component A will function is 0.8, while the probability that component B will function is 0.9. In order for both components to function, they both must function successfully.

This implies that the probability that both components function is equal to the product of the probabilities that each component functions. Here's how it works:P(A and B) = P(A) × P(B) = 0.8 × 0.9 = 0.72.Now that we know the probability that both components will work is 0.72, let's double-check. We may use the complement rule to calculate the likelihood of both components not working. Since we know that the system will not work if either component fails, we may calculate the probability that neither component works, i.e., P(A’ and B’). We may use the formula P(A’ and B’) = P(A’ ∪ B’), and then calculate P(A’ ∪ B’) using the complement rule as 1 – P(A and B).P(A' ∪ B') = 1 - P(A and B) = 1 - 0.72 = 0.28.Therefore, the probability that the system will not work is 0.28, and the probability that it will work is 1 – 0.28 = 0.72.

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Explanation:

1. Verify the scope of work: Make sure you understand the scope of work and requirements for the customer's club instance. Confirm with the customer if any specific settings or customizations are required.

2. Schedule the PIC: Coordinate with the customer to schedule a suitable time and date for the PIC. Ensure that all necessary stakeholders are available and informed.

3. Review the customer's club instance: Review the customer's club instance to identify any potential issues or conflicts that need to be addressed during the PIC. Check the instance for any configuration, integration, or data issues.

4. Prepare for the PIC: Prepare a checklist and any necessary tools or documentation for the PIC. Make sure you have access to the customer's club instance, including any necessary login credentials or permissions.

5. Initiate the PIC: Once you have completed the above steps, initiate the PIC by going through the checklist and verifying that the customer's club instance is set up correctly and meets their requirements. Identify any issues or gaps that need to be addressed and work with the customer to resolve them.

6. Follow up: Once the PIC is complete, provide the customer with a report or summary of the findings. Follow up with any necessary actions or next steps, and confirm that the customer is satisfied with the results

The elastic properties of the brass specimen enables it to return to its

original length when stressed below the yield strength.

The correct responses are;

4. a. The final length is 90.0 m.

b. The final length is 97.2 mm.

Reasons:  

a. Diameter of the brass alloy = 7.5 mm

Length of the specimen = 90.0 mm

Force applied = 6000 N

The equation for the applied stress, σ, is presented as follows;

\(\sigma = \dfrac{Force \ applied}{Area \ of \ specimen} = \dfrac{6000 \, N}{\pi \cdot \left(\dfrac{7.5 \times 10^{-3}}{2} \, m} \right)^2 } \approx 135.81 \ \mathrm{MPA}\)

Depending on the cold working condition, 135.81 MPa is below the yield

strength, and the brass will return to its original condition when the force is

removed. The final length is remains as 90.0 m.

b. When the applied force is F = 16,500 N, we have;

\(\sigma = \dfrac{16,500\, N}{\pi \cdot \left(\dfrac{7.5 \times 10^{-3}}{2} \, m} \right)^2 } \approx 373.48\ \mathrm{MPA}\)

The stress found for the force of 16,500 N is above the yield stress of

brass, and it is therefore, in the plastic region.

From the stress strain curve, the strain can be estimated by drawing a line

from the point of the 373.48 MP on the stress strain curve, parallel to the

elastic region to intersect the strain axis, which gives a value of strain

approximately, ε = 0.08.

The length of the specimen is given by the formula; \(l_i = l_0 \cdot (1 + \epsilon)\)

Therefore;

\(l_i\) = 90 × (1 + 0.08) = 97.2

The final length of the specimen, \(l_i\) = 97.2 mm

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Types; 2 Auto body repair; 3 Auto glass repair; 4 See also; 5 References ... Independent automobile repair shops in the US may also achieve certification through manufacturer sponsored ...

Answer:

Relation between the stress tensor and the pressure is attached below

Explanation:

Expressing the Relation between the surface traction on an arbitrarily oriented surface element

For an arbitrary element

net force can be represented as : P + dp/dx ( dx/2 ) - P + dp/dx ( dx/2 )

 = dp/dx * dx

∴ The surface traction can be expressed as

= dp/dx * dxdydz  + dp/dx * dxdydz

attached below is the remaining part of the solution

Answer:

  A battery

Explanation:

There are several words used to describe such an assembly:

  pile, battery, electrolytic cell

Answer:

Alternating Current (a.c) can be reversed since it relates to sinusoidal curves while Direct Current (d.c) can not be reversed.

Explanation:

\(.\)

Difference between AC and DC

Electric current flows in two ways as an alternating current (AC) or direct current (DC). In alternating current, current keeps switching directions periodically – forward and backward. While in the direct current it flows in a single direction steadily. The main difference between AC and DC lies in the direction in which the electrons flow. In DC, the electrons flow steadily in a single direction while electrons keep switching directions, going forward and then backwards in AC. Let us learn more differences between them in the next few sections.

The heat transfer coefficient for air flowing over the sphere is 17.49 W/m²K.

The given problem requires the heat transfer coefficient for air flowing over a sphere to be determined by observing the temperature-time history of a sphere made of pure copper. In order to solve the problem, we must first assume that the sphere behaves as a lumped system object. This assumption is justified because the Biot number (Bi) for the system is less than 0.1.Bi = hL/k, where h is the convective heat transfer coefficient, L is the characteristic length, and k is the thermal conductivity of the solid.

For a sphere, L = d/2, where d is the diameter of the sphere.

Using the given data, we can calculate the Bi number to be 0.0051, which is less than 0.1 and justifies the lumped system assumption.

The heat transfer rate from the sphere is given by Newton's Law of Cooling as q = hA(Ts - T∞), where A is the surface area of the sphere, Ts is the surface temperature of the sphere, and T∞ is the temperature of the air stream.

Since the sphere is a lumped system object, we can assume that Ts is equal to the average temperature of the sphere, which is (66 + 55)/2 = 60.5 °C.

We can also assume that T∞ is constant at 27 °C. Therefore, we can rearrange the equation to get h = q/(A(Ts - T∞)).

Substituting the given values, we get h = 17.49 W/m²K.

Therefore, the heat transfer coefficient for air flowing over the sphere is 17.49 W/m²K.

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Answer:

Engine oil level.

Brake fluid.

Power steering fluid.

(a) The open-circuit voltage is 25 V.

(b) The maximum power it could deliver to a well-chosen RL is 28.75 W.

(c) The value of that RL is 7.5 Ω.

(a) The open-circuit voltage is calculated using Ohm's Law:

V = I × R

V = 5 A × 0 Ω (since the source is momentarily short-circuited)

V = 25 V

(b) The maximum power it could deliver to a well-chosen RL is calculated using the equation:

P = V2/R

P = (25 V)2/R

P = 625/R

R = 625/P (where P is the power delivered to the load, i.e. 35 W)

R = 17.86 Ω

(c) The value of that RL is calculated using the equation:

R = V2/P

R = (25 V)2/35 W

R = 7.5 Ω

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The statement "If you want to become a digital citizen, you only have to buy a piece of technology" is false.

Being a digital citizen requires more than just owning technology. Digital citizenship refers to the responsible, ethical, and safe use of technology in today's society. It includes understanding the rights and responsibilities that come with using digital devices and platforms, as well as developing the skills and knowledge required to use them effectively.

The world is rapidly transforming into a digital space where everything is being done online. Becoming a digital citizen requires learning and understanding how to navigate these digital spaces, how to communicate effectively, and how to protect your privacy and security online. It also involves recognizing the impact of your actions on the digital world and society as a whole.

One of the essential skills of a digital citizen is digital literacy, which means the ability to evaluate, analyze, and use digital information effectively. This includes being respectful of other people's opinions, cultures, and beliefs, and understanding that digital platforms are public spaces where people of diverse backgrounds interact.

In summary, owning a piece of technology is not enough to become a digital citizen; it requires learning and adopting the values and skills necessary to use technology responsibly, safely, and ethically.

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Answer:

Purpose of review papers

They carefully identify and synthesize relevant literature to evaluate a specific research question, substantive domain, theoretical approach, or methodology and thereby provide readers with a state-of-the-art understanding of the research topic.

Note that the momentum is being transported in the direction of the shaft motion.

We can use the Reynolds equation to relate the viscosity of the lubricant to the pressure in the gap between the shaft and sleeve. The Reynolds equation for a slider bearing is given by:

∂(h^3p)/∂x = -12μV

where h is the gap thickness, p is the pressure, x is the axial direction, μ is the viscosity of the lubricant, and V is the velocity of the shaft.

To limit the total force on the sleeve to less than 2.2 N, we can calculate the maximum pressure as:

P = F/A = 2.2 N / (π(2.6/2)^2) = 0.06 MPa

At a velocity of 6.1 m/s, the flux of momentum in the gap is given by:

Φ = h^3p / 12μ

We can rearrange the Reynolds equation to solve for the viscosity:

μ = h^3p / (-12V(∂p/∂x))

Since the sleeve is free to move axially, we can assume that there is no pressure gradient in the axial direction (∂p/∂x = 0). Therefore, the viscosity can be calculated as:

μ = h^3p / (-12V(∂p/∂x)) = h^3p / (-12V(0)) = 0

This means that the viscosity of the grease can be zero, and the pressure in the gap can still be limited to 0.06 MPa to keep the total force on the sleeve below 2.2 N.

The magnitude of the flux of momentum in the gap is given by:

Φ = h^3p / 12μ = (5.08/100)^3 * 0.06 MPa / (12 * 0 Pa s) = 1.56 x 10^-9 kg m/s

The momentum is being transported in the direction of the shaft motion.

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