In this case, the question is: "is represented by a set of / data fields / variables (also known as properties or attributes) with their current value. it is is called____"
The answer is: An object is represented by a set of data fields or variables (also known as properties or attributes) with their current value. It is called an object.
What is an object?
An object is an instance of a class in object-oriented programming. It is a software bundle of variables and related methods. An object is defined by its class, which determines its attributes (properties or variables) and methods (functions). An object is an instance of a class that has its own identity, state, and behavior.
The state of an object is represented by its attributes, while its behavior is represented by its methods. Therefore, an object is represented by a set of data fields or variables (also known as properties or attributes) with their current value, and it is called an object.
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Create a function named DD_PROJTOT_SF that determines the total pledge amount for a project. Use the function in an SQL statement that lists all projects, displaying project ID, project name, and project pledge total amount. Format the pledge total to display zero if no pledges have been made so far, and have it show a dollar sign, comma, and two decimal places for dollar values.[Database Tables]
To create a function named DD_PROJTOT_SF that determines the total pledge amount for a project, use the following HTML function:`CREATE FUNCTION DD_PROJTOT_SF(proj_id IN NUMBER)RETURN NUMBER IS total
NUMBER(14,2);BEGINSELECT SUM(amount) INTO total FROM pledge WHERE project_id = proj_id;IF total IS NULL THEN total := 0;END IF;RETURN total; END;`In an SQL statement that lists all projects, displaying project ID, project name, and project pledge total amount, use the following SQL statement:```
SELECT project. project_id, project_name, '$' || TO_CHAR(NVL(DD_PROJTOT_SF(project.project_id),0), '999,999,999,999.99') AS pledge_totalFROM project;```Note: NVL is used to replace the NULL value with 0 when the pledge amount is not available in the table.
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what is the best additive to use to try to minimize the whinning noise in a 1956 chevy powerglide transmission?
The best additive to use to try to minimize the whining noise in a 1956 Chevy Powerglide transmission is Automatic Transmission Additive.
There are many reasons why Automatic Transmission Additive is the best additive to use to try to minimize the whining noise in a 1956 Chevy Powerglide transmission, including but not limited to:ATFs (automatic transmission fluids) are low viscosity lubricants that are formulated to protect automatic transmissions and provide smooth shifting. ATFs, however, have a variety of drawbacks. For example, they can foam, oxidize, shear, and run too hot, all of which can contribute to transmission noise, slipping, and poor shifting.Automatic transmission additives, on the other hand, have been designed to overcome these limitations by incorporating special friction modifiers, anti-wear agents, and seal conditioners, among other ingredients. These additives can reduce friction and wear in the transmission, which can help to quiet down noise and reduce vibration.
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the equation used to determine the approximate amount of of critical stress to propagate a crack is known as the friffith equation the griffith equation is
The Griffith equation is used to calculate the approximate amount of critical stress necessary to propagate a crack. The formula for the equation is K = √(πE/2Y), where E is Young's modulus, and Y is the geometrical factor, which depends on the shape of the crack.
The equation is based on the energy release rate for crack propagation and was developed by A.A. Griffith in 1921. The equation is used to calculate the stress intensity factor (K) for a crack in an elastic material.
The Griffith equation is important for engineers as it can be used to estimate how much stress a material can withstand before it will fracture. This is important when designing components or structures that will be subject to loading or fatigue. Additionally, the equation can be used to calculate the stress concentration factor (Kt) at a point of crack initiation.
In conclusion, the Griffith equation is an important equation used to calculate the approximate amount of critical stress necessary to propagate a crack. This equation can be used by engineers to ensure that their designs are able to withstand the expected loads, as well as calculate stress concentration factors.
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what is the purpose of the ground symbol used in electrical circuit diagrams? group of answer choices to show that there is a return path for the current between the source of electrical energy and the load. to show the source of electrical energy for the load. to show that there is common bus for connection of the source of electrical energy to the load.
Answer:
To show that there is a return path for the current between the source of electrical energy and the load.
the process of breaking the wbs into smaller and smaller deliverables is called: group of answer choices functional design detailed specifications value engineering decomposition
Decomposition is the process of breaking the Work Breakdown Structure (WBS) into smaller and smaller deliverables. This process is also sometimes referred to as value engineering or detailed specifications. By decomposing the WBS into smaller pieces, it becomes easier to assign tasks, assign costs, and plan out timelines.
The decomposition process begins by taking the major deliverables of the project and breaking them down into smaller tasks. From there, each task is further broken down into even more specific tasks. This process is repeated until all tasks have been broken down into their smallest components.
The purpose of decomposition is to create a well-defined scope of the project so that it can be managed in an efficient manner. It allows managers to easily identify the resources, cost, and timeline of each task, as well as provide a way to evaluate the progress of each task. It also allows for better control of the overall project.
Decomposition is a critical part of the project management process, as it ensures the project is organized and defined. This ultimately leads to an overall better result for the customer.
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what is the purpose of a cnc machining center? machining centers enable a single machine to tolinmg u
CNC machining equipment allows companies to manufacture complex parts with a user-friendly, single-setup machining process. This structure offers significant productivity advantages — cutting labor costs, increasing part quality, and reducing work time.
what is an impact, ballistic or creep ripple? what is the length of these ripples relative to their heights? how does this ratio compare to those for aerodynamic and hydrodynamic ripples?
Impact, ballistic, and creep ripples are all types of surface features that can occur on materials subjected to different types of stresses.
Impact ripples are formed when a material is struck by a projectile or another object. Ballistic ripples are similar but are specifically formed by high-velocity projectiles. Creep ripples, on the other hand, are formed when a material is subjected to a constant stress over a long period of time, causing it to slowly deform.
The length of these ripples relative to their heights can vary depending on the specific material and conditions. However, in general, the ripples tend to have a relatively short wavelength compared to their height.
In comparison, aerodynamic and hydrodynamic ripples are formed by the flow of air or water over a surface. These ripples tend to have a much longer wavelength compared to their height, with the length-to-height ratio typically ranging from several to tens of thousands. This is because the fluid flow over the surface is generally much smoother and less abrupt than the stresses that cause impact, ballistic, and creep ripples.
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explain the relationship between the concrete compressive strength and its flexural strength and splitting tensile strength.
The relationship between the concrete compressive strength and its flexural strength and splitting tensile strength is that; these strengths are interrelated and their values are dependent on one another.
The compressive strength of concrete is defined as the maximum compressive load that can be applied on a test specimen, to fail in compression. It is expressed in MPa or psi. It is one of the most important properties of concrete and is essential in designing a structure because it defines the concrete’s ability to resist compressive stresses.
A flexural strength test is performed on concrete to determine the strength of concrete in resisting bending stresses. In other words, the test determines the ability of the concrete to withstand bending stresses without cracking. A flexural strength test is important in the design of structural elements like beams, slabs, and other such components that are subjected to bending forces.
The splitting tensile strength of concrete is determined by applying a load on a cylindrical or cubical test specimen of concrete. It is the ability of the concrete to withstand tensile forces that tend to split or rupture the test specimen. It is an important property of concrete because it defines the concrete’s ability to resist tension and shear forces.
The relationship between these three strengths of concrete is that they are interrelated and their values are dependent on one another. In general, the compressive strength of concrete is higher than its flexural strength and splitting tensile strength. However, flexural strength and splitting tensile strength are important in determining the overall strength of concrete, and they are used in the design of structural elements like beams, slabs, and other such components.
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true or false. marin factors reduce the strength and stress concentrations factors increase the stress; therefore, they both increase the safety factor.
The given statement is false because Marin factors do not reduce the strength and stress concentrations factors do not increase the stress. Instead, they both reduce the safety factor.
Marin factor is a corrosion factor that takes into account the corrosion of the material of interest. When compared to the yield strength of the material, corrosion usually reduces the yield strength of the material. Because of this, the engineering process must consider the effect of corrosion on the material being used to ensure that it does not become so degraded that it fails prematurely. Hence, the Marin factor increases the safety factor and hence reduces the likelihood of failure.
When there is a change in section or a flaw in a structural member, stress concentration occurs. This is where the stress concentration factor is used. It is used to assess the effect of these conditions on the stress levels that result. The stress concentration factor increases the maximum stress that results in the presence of stress raisers. As a result, it reduces the safety factor and makes it more likely that the structural member will fail prematurely, unlike the Marin factor.
Therefore, the statement is false because the Marin factor reduces the stress and the stress concentration factor increases the stress, and they both reduce the safety factor instead of increasing it.
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what is the allowance (minimum clearance) between parts if you have a hole with a tolerance of .500 .005 and a shaft with a tolerance of .495 .005?
0.0075 inches should be the bare minimal separation between the shaft and the hole.
To guarantee correct fit and performance of the mechanical assembly, there should be 0.0075 inches of clearance between the hole and shaft.When designing mechanical assemblies, it's important to ensure that there is sufficient clearance between mating parts to avoid interference or binding. The minimum clearance between two parts can be calculated using the maximum material limits (MML) and minimum material limits (mml) of the hole and shaft dimensions.
In this case, the hole has a tolerance of 0.500 ± 0.005 inches, with an MML of 0.505 inches and an mml of 0.495 inches. The shaft has a tolerance of 0.495 ± 0.005 inches, with an MML of 0.500 inches and an mml of 0.490 inches.To determine the minimum clearance between the hole and shaft, we need to use the worst-case scenario, which is the largest hole diameter and the smallest shaft diameter. Therefore, the minimum clearance can be calculated as follows:Minimum clearance = (hole MML - shaft mml) / 2= (0.505 - 0.490) / 2= 0.0075 inches
Therefore, the minimum clearance between the hole and shaft should be 0.0075 inches to ensure proper fit and function of the mechanical assembly.
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the process of heating a metal after cold working relieves internal stress and decreases dislocation density is known as: g
The process of heating a metal after cold working to relieve internal stress and decrease dislocation density is known as annealing.
Annealing is a heat treatment process used to modify the physical and sometimes chemical properties of a material. It is typically used to induce ductility, soften material, improve machinability, and/or help improve cold working properties.
The annealing process requires a recrystallization temperature within a specified time before the cooling process is carried out. The cooling rate depends on the type of metal being annealed. For example, ferrous metals such as steel are usually cooled to room temperature in still air, while copper, silver, and brass are quenched slowly in air or rapidly cooled with water.
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in a steady flow process, the change of total energy of the control volume must . multiple choice question. increase decrease remain zero
Answer:
remain zero
Explanation:
in a steady flow process, the change of total energy of the control volume must remain zero.
inside my Apt the built in ceiling lights show the "Ripple Effect" what do I do this is a fire hazard also my thermostate ripples.
If the built-in ceiling lights and thermostat in your apartment are showing a ripple effect, this may indicate an issue with your electrical wiring or with the light fixtures and thermostat themselves.
What is the Ripple Effect about?If your built-in ceiling lights are showing a ripple effect and your thermostat is also affected, it could indicate a problem with the electrical wiring in your apartment. This could potentially be a fire hazard and should be addressed immediately.
Here are some steps you can take:
Turn off the power to the affected lights and thermostat by flipping the circuit breaker that controls them. This will prevent any electrical current from flowing through the wiring and reduce the risk of a fire.Contact a licensed electrician to inspect the wiring in your apartment. They can identify any issues with the wiring and make any necessary repairs to ensure your safety.Avoid using the affected lights and thermostat until the issue has been resolved. Using them could potentially cause a fire or other electrical hazards.Therefore, , it is important to take any electrical issues in your apartment seriously and seek professional help to address them promptly.
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Which is a small plain text file that a website might place on your local drive?
Answer:A cookie
Explanation:To track interests.
assuming that the longest stage of 5-stage pipeline requires 0.6ns, and pipeline register delay is 0.1ns, calculate the clock cycle time of 5-stage pipeline and 10-stage pipeline.
The 10-stage pipeline's clock cycles would take 1.5ns to finish on average, which is 1.5ns longer than the 5-stage pipeline's.
To calculate the clock cycle time of a 5-stage pipeline and a 10-stage pipeline, we need to consider the time required for each stage and the pipeline register delay.
For a 5-stage pipeline with a longest stage of 0.6ns and a pipeline register delay of 0.1ns, the total clock cycle time would be:
Clock cycle time = longest stage time + pipeline register delay = 0.6ns + 0.1ns = 0.7ns
This means that each clock cycle in the pipeline would take 0.7ns to complete.
For a 10-stage pipeline with the same longest stage time and pipeline register delay, the total clock cycle time would be:
Clock cycle time = longest stage time + (pipeline register delay x (number of pipeline stages - 1)) = 0.6ns + (0.1ns x 9) = 1.5ns
This means that each clock cycle in the 10-stage pipeline would take 1.5ns to complete, which is longer than the 5-stage pipeline due to the additional pipeline stages.
It is worth noting that while longer pipelines can potentially increase performance by allowing for higher clock rates, they can also increase the risk of pipeline hazards and decrease overall efficiency due to increased latency and complexity.
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a metal tension specimen of initial diameter 0.505 inches fractures at a load of 5,000 lb with a fracture diameter of 0.325 inches. calculate the true stress at fracture
The true stress at fracture is 59,824.28 psi. True stress at fracture can be calculated by first calculating the true strain at fracture. After calculating the true strain at fracture, calculate the true stress using the given value of force at fracture and the cross-sectional area at fracture. Given data:
Diameter of tension specimen = 0.505 inches
Initial diameter of tension specimen = 0.505 inches
Fracture diameter of tension specimen = 0.325 inches
Load at fracture = 5000 lbs
Formula for true strain calculation:
True strain at fracture = ln (initial diameter / fracture diameter)
Formula for true stress calculation:
True stress at fracture = Force at fracture / Area at fracture
Calculation of true strain:
True strain at fracture = ln (initial diameter / fracture diameter)
= ln (0.505/0.325)= 0.4458
Calculation of area at fracture:
The area of the tension specimen is given by the following formula:
Area = π (diameter)2/4
The area at fracture can be calculated using the fracture diameter.
Area at fracture = π (0.325)2/4= 0.08353 sq inches
Calculation of true stress:
True stress at fracture = Force at fracture / Area at fracture
= 5000 / 0.08353= 59,824.28 psi
Therefore, the answer is 59,824.28 psi.
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it takes 2 hours to charge a cell phone. If the battery is drained during two days of use, compare the power required to charge the phone to the average power the phone uses during the two days
To compare the power required to charge the phone to the average power the phone uses during the two days, we need to make some assumptions about the phone's battery capacity and power usage.
What is the power about?Let's assume that the phone has a battery capacity of 3000 mAh (milliampere-hour) and that its average power usage during the two days is 150 mA. We can use these assumptions to estimate the energy used by the phone during the two days and the energy required to charge the phone.
Energy used during two days = power x time
= 150 mA x 2 days x 24 hours/day
= 7200 mAh
Energy required to charge phone = battery capacity x charging efficiency
= 3000 mAh x 100% (assuming 100% charging efficiency)
= 3000 mAh
Now, we can compare the energy required to charge the phone to the energy used during the two days:
Energy required to charge phone = 3000 mAh
Energy used during two days = 7200 mAh
We can see that the energy used during the two days (7200 mAh) is more than twice the energy required to charge the phone (3000 mAh). This means that the average power usage of the phone during the two days (150 mA) is much lower than the power required to charge the phone (3000 mAh / 2 hours = 1500 mA).
Therefore, This makes sense because the phone's power usage is spread out over a longer period of time, whereas the power required to charge the phone is concentrated in a shorter period of time. Therefore, even though it takes 2 hours to charge the phone, the power required to charge the phone is much higher than the average power the phone uses during the two days of use.
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