a(n) function is a function that takes another function as a parameter, returns a function or does both.

Note that dosage of coagulants is based on viscosity of water. (Option D)

The dosage of coagulants that is administered must always be based on  various factors. Some of them are:

Note that temperature may also affect the dosage because if the water is cold or the lower the temperature, the higher the dosage required.

Thus, it is correct to state that that dosage of coagulants is based on viscosity of water. (Option D)

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Answer:

electric circuit, a conduit for moving current. A battery or generator, a device that provides energy to the charged particles that make up the current, a device that uses current, such as a lamp, an electric motor, or a computer, and the connecting wires or transmission lines make up an electric circuit. Ohm's law and Kirchhoff's rules are two fundamental laws that quantitatively define how electric circuits function.

network in series

circuit parallel

There are various categories in which to place electric circuits. Only one direction of current can flow through a direct-current circuit. As in most residential circuits, an alternating-current circuit transports current that pulses back and forth repeatedly every second. (To learn more about direct and alternating current circuits, visit electricity: Direct electric

Explanation:

is this good? please mark brainliest

If the diameter of the bar is 0.490 at this load, determine I. the engineering stress and strain, and [2] II. the true stress and strain is 1561. 84 MPa.

Strain is a unitless degree of ways a great deal an item receives larger or smaller from an implemented load. Normal stress happens while the elongation of an item is in reaction to an everyday pressure (i.e. perpendicular to a surface), and is denoted via way of means of the Greek letter epsilon.

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Answer:  System Consists Of 1 Kg Of CO2 (Cp = 46.4 J Moll K:') Gas Initially At 1 Bar And 300K. The System Undergo

Explanation:

Answer:

No, they need to be somewhat flexible so that forces such as turbulance don't shear the wing off.

Answer:

it is false john deere invented the self-scouring steel plow

Explanation:

The gold is 75% pure and rest 25% is Zinc. The isotope for Zinc present here is 64 Zn.

Isotopes are two or more different types of atoms that share the same atomic number and position in the periodic table (and, therefore, belong to the same chemical element), but differ in their nucleon numbers (mass numbers) because they have varying numbers of neutrons in their nuclei.

Despite having essentially the same chemical characteristics, each isotope of a given element has a unique atomic mass and set of physical characteristics. The word "isotope" derives from the Greek words "isos" and "topos," both of which mean "the same place."

As a result, the name "isotope" refers to the fact that different isotopes of the same element occupy the same position on the periodic table. In 1913, British chemist Frederick Soddy received a suggestion from Scottish doctor and writer Margaret Todd, who coined the term.

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The crevice volume area of a diesel engine's piston is responsible for the emission of hydrocarbons (HC) into the environment. The HC emissions occur due to incomplete combustion of the fuel-air mixture in the combustion chamber.

Hydrocarbons are made up of hydrogen and carbon atoms. They react with other pollutants in the presence of sunlight to form ground-level ozone. HC is a significant contributor to smog formation, which is a serious environmental problem in urban areas.

Therefore, reducing crevice volume is one of the most critical ways to reduce hydrocarbon emissions. This can be accomplished by reducing the size of the crevice, which can be accomplished by using advanced piston ring designs, piston bowls, and piston crowns that minimize crevice volume and thus reduce hydrocarbon emissions.

Therefore, to keep the environment safe and to lessen the harmful effects of air pollution, it is essential to focus on reducing hydrocarbon emissions, especially from the crevice volume of diesel engines.

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Answer:

The power needed to drive this pump assuming  and efficiency of 75% is 1874.0 watts (W)

Explanation:

Solution:

Given that:

Velocity  = 2 m/s

Pressure = 100 kPa

The pump exit is =4 m

Efficiency 75%

Thus,

We apply the method called the Bernoulli's equation between two reservoirs

p₁ / ps + v₁²/2g + z₁

=p₂/ps/v₂²/2g +z₂ + hL

The density of gasoline (pg) is = 680 kg m³

The gravity of acceleration is known to be  =9.81 m/s²

So,

100/680 *9.81 + 2²/2 *9.81 + 1 = 500/ 680 * 9.81 + 3²/2 * 9.81 +4 + hL

16. 2 = 79.41 + hL

hl =79.41 - 16.2

hL =63.21 m

the unit weight of gasoline is(γ) = 680 * 9.81 = 6670.8 m/s

Now we find the efficiency

The efficiency  (η) = The output power /Input power

Where hL =H

The input power = γ * Q * H/0.75

=6670.8 *12/3600 * 63.21

=6670.8 * 0.333 * 63.21

=6670.8 *0.2107

=1405.5/0.75

The input power =1874.0 Watts

Answer:

yes

Explanation:

The 7FA gas turbine manufactured by General Electric is reported to have an efficiency of 35. 9 percent in the simple cycle mode and to produce 159 MW of net power. The pressure ratio is 14. 7 and the turbine inlet temperature is 1288°C. The mass flow rate through the turbine is 1,536,000 kg/h. Taking the ambient conditions to be 30°C and 100 kPa, determine the isentropic efficiencies of the turbine and the compressor. Also, determine the thermal efficiency of this gas turbine if a regenerator with an effectiveness of 66 percent is added. Use variable specific heats for air

Answer:

THE thing is 435

Explanation:

Some of the trade-offs that must be made while transitioning from an individually tailored solution to such an enterprise-level solution are about as continues to follow.

As a result, the aforementioned response seems to be correct.

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Where two technicians are discussing clogged EGR passages and Technician A says clogged EGR passages can cause excessive NOx exhaust emission and Technician B says that clogged EGR passages can cause the engine to ping (spark knock or detonation), note that BOTH technicians are correct. (Option C)

These systems' passageways can get blocked, obstructing the flow and resulting in inadequate EGR flow, explosion, and excessive NOx emissions. If the solenoid, circuits, and EGR valve are all functioning properly and the route is clogged, cleaning the passageways with a wire brush will restore normalcy to the system.

When the EGR valve becomes clogged, the engine suffers a considerable loss of power, hauls, or difficulty of cold starts, as well as increased smoke emissions. If the EGR valve remains closed, it will not be able to reduce pollutants.

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Full Question;

Two technicians are discussing clogged EGR passages. Technician A says clogged EGR passages can cause excessive NOx exhaust emission. Technician B says that clogged EGR passages can cause the engine to ping (spark knock or detonation). Which technician is correct?

Technician A only

Technician B only

Both Technicians A and B

Neither Technician A nor B

The correct answer is A dynamic analysis is necessary if the force P acting on the structure varies so quickly that the inertial and damping forces significantly alter the equation of equilibrium.

Dynamic analysis is the process of evaluating and testing a programme utilising real-time data execution. The objective is to find bugs in a software when it is being used, as opposed to continually analysing the code offline. Structural dynamics is a type of structural study that looks at how a structure reacts to dynamic (high-acceleration) loads. Traffic, earthquakes, explosions, wind, waves, and people are all examples of dynamic loads. Any structure may be subjected to dynamic loading. The tasks that make up dynamic testing methodologies in the STLC include requirements analysis for the tests, test planning, test case design and implementation, test environment setup, test case execution, issue reporting, and test closure.

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Objective function: Minimize the total cost of crude oilCost = Cost per barrel * Number of barrelsMinimize:  Cost =  (Cost per barrel of Brent * x1) + (Cost per barrel of Dubai * x2) + (Cost per barrel of WTI * x3)

After setting up the spreadsheet, you would use Solver, an add-in in Excel, to find the optimal solution. Solver will adjust the values in the x1, x2, and x3 cells to minimize the objective function while satisfying all the constraints. The Solver's answer report will provide information on the optimal solution, including the values for x1, x2, and x3, as well as the minimum cost achieved.

b. To set up the corresponding LP in Excel and run Solver, you would simply exclude the availability constraint for Brent oil. The objective function, cost per barrel, and composition constraints would remain the same as in Q1. By running Solver, you can find the new optimal blending plan with unlimited Brent oil availability, which would result in a potentially lower total cost.

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The statement Integer.parseInt(str) in the given code is an example of A) a value-returning method.

The parseInt() method is a built-in method in Java's `Integer` class. It takes a String as input and returns an in value. In the provided code, `Integer.parseInt(str)` converts the String value `"555"` to an int value. This value is then assigned to the variable num after adding 5 to it.

Value-returning methods in Java are those that perform some computation and return a value of a specific data type. In this case, `parseInt()` processes the input String and returns an `int` value, allowing it to be assigned to the num variable.

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✅C) Avoid having to use a net ✅

IamSugarBee

Answer:

10kQ is to 36......... D2 _ D1 D4

Answer:

B) the liquid accelerated to high velocities.

I hope this helps

The tatal resistance of the series-parallel circuit with two resistor connected in parallel which combination is connected in series to a single resistor is 9 ohms.

This can be defined as the opposition to current flow in a circuit.

To calculate the total resistance, first we need to find the total resistance of the parallel resistor.

For parallel,

Where:

R' = Total resistance of the parallel resistor.

From the question,

Given:

Substitute these values into equation 1

Finally, we combine the effective parallel resistance in series to the single resistance to the the total resistance of the circuit.

Where:

From the question,

Substitute these values into equation 2

Hence, the total resistance of the circuit is 9 ohms.

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Answer:

Hello your question is incomplete attached below is the complete question

answer :

a) 95.80°C

b) 8.23 MW

Explanation:

Convection heat transfer coefficient = 860 W/m^2 . k

a) Calculate for the temp of sheet metal when it leaves the oil bath

first step : find the Biot number

Bi = hLc / K  ------- ( 1 )

where : h = 860 W/m^2 , Lc = 0.0025 m ,  K = 60.5 W/m°C

Input values into equation 1 above

Bi = 0.036 which is < 1  ( hence lumped parameter analysis can be applied )

next : find the time constant

t ( time constant ) = h / P*Cp *Lc  --------- ( 2 )

where : p = 7854 kg/m^3 , Lc = 0.0025 m , h = 860 W/m^2, Cp = 434 J/kg°C

Input values into equation 2 above

t ( time constant ) = 0.10092 s^-1

Determine the elapsed time

T = L / V = 9/20 = 0.45 min

∴   temp of sheet metal when it leaves the oil bath

= (T(t) - 45 ) / (820 - 45)  = e^-(0.10092 * 27 )

T∞ =  45°C

Ti = 820°C

hence : T(t) = 95.80°C

b) Calculate the required rate of heat removal form the oil

Q = mCp ( Ti - T(t) ) ------------ ( 3 )

m = ( 7854 *2 * 0.005 * 20 ) = 26.173 kg/s

Cp = 434 J/kg°C

Ti =  820°C

T(t) = 95.80°C

Input values into equation 3 above

Q = 8.23 MW

Yes, exceeding the dielectric strength of a capacitor means that you have applied a voltage that is too high for the capacitor to handle, and this can result in the destruction of the capacitor.

The dielectric strength refers to the maximum voltage that a capacitor's dielectric material can withstand before it breaks down and allows current to flow through it. If the applied voltage exceeds this limit, the dielectric material can become damaged or even vaporized, which can lead to a short circuit or other types of failure. Therefore, it is important to always operate capacitors within their rated voltage range to avoid damaging them and ensure their proper functioning.

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Yes, that is correct. Exceeding the dielectric strength f a capacitor means you have applied too high a voltage, and probably destroyed the capacitor. This occurs when the content loaded surpasses the capacitor's ability to withstand the electric field, resulting in potential damage to the component.

Exceeding the dielectric strength of a capacitor means that you have applied a voltage that is too high for the capacitor to handle, which can cause the insulation material (dielectric) to break down and the capacitor to fail or even be destroyed. It is important to always follow the manufacturer's specifications for voltage ratings and avoid exceeding them to prevent damage to the capacitor.Dielectric strength is defined as the electrical strength of an insulting material. In a sufficiently strong electric field the insulating properties of an insulator breaks down allowing flow of charge. Dielectric strength is measured as the maximum voltage required to produce a dielectric breakdown through a material.
.

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Explanation:

To address the requirements for the upgraded Linux system, you will need a minimum of at least 200GB + 100 users * 5GB = 800GB of hard disk space. This will ensure that the database application and associated data, as well as the personal files of the 100 users, can be stored on the system.

In terms of partitions, you will need to create a new partition for the database application and data. This partition should be at least 200GB and should be mounted to a directory such as /data. You will also need to create a partition for the personal files of the users. This partition should be at least 100 users * 5GB = 500GB and should be mounted to a directory such as /home.

Quotas should be implemented on the /home partition to ensure that each user only has a maximum of 5GB of storage space. You can use the quotactl system call or the quota utilities (quotaon, edquota, repquota, etc.) to implement quotas.

To ensure that the system does not exhibit downtime as a result of hard disk errors, you may consider using a redundant array of inexpensive disks (RAID) to provide data protection. A RAID 1 or RAID 10 configuration can be used to mirror the data, so that if one disk fails, the data is still available on another disk.

To implement the new partitions and quotas, the following commands could be used:

To create the new partitions:

fdisk /dev/sda (or other device name)

n (create new partition)

p (primary partition)

1 (partition number)

[Enter] (default first cylinder)

+200G (size of partition for database application and data)

n (create new partition)

p (primary partition)

2 (partition number)

[Enter] (default first cylinder)

+500G (size of partition for user personal files)

w (write changes and exit)

To format the new partitions:

mkfs.ext4 /dev/sda1 (for the database application and data partition)

mkfs.ext4 /dev/sda2 (for the user personal files partition)

To mount the new partitions:

mkdir /data

mount /dev/sda1 /data

mkdir /home

mount /dev/sda2 /home

To implement quotas:

quotacheck -avugm (to check the file system for quotas)

edquota -u [username] (to edit the quota for a specific user)

quotaon /home (to enable quotas on the /home partition)

To add the new partitions to /etc/fstab:

Add the following lines to the file:

/dev/sda1 /data ext4 defaults 0 0

/dev/sda2 /home ext4 defaults,usrquota 0 0

In conclusion, to ensure that the system will perform as needed, you will require at least 800GB of hard disk space, and create two partitions for the database application and data, and user personal files, with quotas implemented on the user personal files partition. The new partitions should be mounted to /data and /home, and entries should be added to the /etc/fstab file to ensure that they are automatically mounted during system boot.

The decision of whether it is worth the effort to make small improvements on pressure ratio for a stage in an axial compressor depends on various factors such as the specific application, the cost of the improvements, and the benefits that the improvements may provide.

In the case of a gas turbine with a total pressure ratio of 24, the number of stages required to achieve this pressure ratio would depend on the pressure ratio per stage. If each stage has a pressure ratio of 1.23, then the number of stages required would be:

24 / 1.23 = 19.51

Since the number of stages must be an integer, the gas turbine would require 20 stages to achieve a total pressure ratio of 24.

The power to weight ratio of the gas turbine is an important metric for assessing its efficiency and performance. Improving the pressure ratio per stage can result in a higher total pressure ratio for the gas turbine, which can lead to improved power output and efficiency. However, this improvement comes at the cost of additional weight and complexity in the form of additional compressor stages.

Therefore, the decision to invest in improving the pressure ratio per stage in an axial compressor should be made after considering the potential benefits in terms of improved power output and efficiency, as well as the costs associated with additional weight and complexity.

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Answer:

  Research the company

Explanation:

It is a good idea to find out information about the company you are interviewing. Among other things, this will help you decide if you actually want to work for that company.

Telling your current boss can be risky to your job. A new outfit may be helpful for certain positions--especially those where manner of dress is important. Finishing school may or may not be an important requirement for the position you're seeking. Your company research will tell you.

Researching the company is one of the most important steps to take.

A visual aid for classifying a problem's possible origins is a fishbone diagram.

Thus,  This technique is used to determine the underlying causes of issues. A fishbone diagram combines the technique of brainstorming with a form of mind map template, and is frequently used for root cause analysis. As a test case technique to ascertain cause and effect, it ought to be effective.

In product development and troubleshooting procedures, a fishbone diagram is helpful because it may be used to centre a discussion on a specific issue.

The facilitator works with the group to rank potential causes in order of priority and create a hierarchy once the group has brainstormed every potential source of the issue. The diagram's design, which closely resembles, the source of the name and fishbone.

Thus, A visual aid for classifying a problem's possible origins is a fishbone diagram.

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Answer:

up up down down

Explanation:

left right left right b a select start

As a local hardware store employee, I have concerns about the long-term consequences and risks of a gene drive for eliminating West Nile Virus.

Participant: A local hardware store employee

Post:

As a local hardware store employee, I have a vested interest in the well-being of the Phoenix community. I understand that the scientists from ASU are proposing the development of a gene drive to eliminate West Nile Virus in our area, and I believe it's crucial to have an open discussion about this research vision.

Firstly, I want to emphasize that I am not an expert in genetics or public health. However, I do have concerns and questions regarding the potential implementation of a gene drive for such a purpose.

My main concern revolves around the long-term consequences and potential risks associated with altering the genetic makeup of organisms, even if it is for a positive outcome like eliminating West Nile Virus. While the eradication of this disease is undoubtedly a worthy goal, we must ensure that the benefits outweigh any unintended negative effects.

Before I can fully support or oppose this research, I would like to better understand the safeguards that would be put in place to prevent any unintended ecological disruptions. What are the contingency plans if the gene drive were to have unintended consequences on non-target species? Are there measures in place to address potential resistance to the gene drive in the West Nile Virus-carrying mosquitoes? These are critical questions that must be answered to assess the feasibility and safety of this project.

Additionally, it would be crucial to involve a diverse range of stakeholders in the decision-making process. Engaging with experts in genetics, public health officials, and environmentalists, along with community members, will help ensure that all perspectives are taken into account. Transparency and inclusivity are key to fostering trust and ensuring that the decision ultimately made serves the best interests of our community.

In conclusion, while I recognize the importance of addressing the issue of West Nile Virus, I approach the proposal for a gene drive with caution. My starting position is one of skepticism and the need for further information. I believe a comprehensive risk assessment, robust stakeholder engagement, and a thorough examination of potential unintended consequences are necessary before making a final determination on supporting or opposing the project.

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