Take Home Machines Problems, Spring 2- An automotive alternator is rated 550 VA and 20 V. It delivers its rated voltamperes at a power factor of 0.90. The resistance per phase is 0.05 £2, and the field takes 2 A at 12 V. If the friction and windage loss is 35 W and the core loss is 40 W, calculate the percent efficiency under rated conditions.

Identify the components: Determine the different elements or variables that make up the system. For example, if the system consists of masses, springs, and dampers, you would identify the masses, spring constants, damping coefficients, and displacements as the key components.

Define the relationships: Determine how the components interact with each other. This involves identifying the forces or torques acting on each component and understanding how they affect the system. For example, in a mass-spring-damper system, you would consider the forces exerted by the springs and the dampers on the masses.Apply Newton's laws or relevant principles: Use the fundamental principles governing the components to derive the equations of motion. For example, Newton's second law (F = ma) is commonly used to derive the equations of motion for mechanical systems.

Write the equations: Express the relationships obtained in  as differential equations. Depending on the complexity of the system, you may end up with a set of ordinary differential equations (ODEs) or partial differential equations (PDEs).It's important to note that the specific steps and equations involved in deriving the differential equations vary depending on the nature of the system.

To know more about Identify the components visit:

https://brainly.com/question/27866541

#SPJ11

The capacity of the pump is 7.82 gallons per minute (GPM).

To determine the capacity of the pump, we can use the formula:

Q = (n * Vd * VE) / 231

Where Q is the flow rate, n is the number of strokes per minute, Vd is the volume displaced per stroke, VE is the volumetric efficiency, and 231 is a conversion factor from cubic inches to gallons.

We know that:

n = 170 strokes/minute

VE = 0.89

To calculate the volume displaced per stroke, we can use the formula:

Vd = π/4 * D^2 * S

Where D is the diameter of the cylinder and S is the stroke length.

So we have

D = 6 inches

S = 14 inches

Vd = (π/4) * (6 inches)^2 * 14 inches = 301.57 inches^3

Now we can substitute these values into the first formula

Q = (170 * 301.57 * 0.89) / 231 = 7.82 GPM

For more questions like GPM click the link below:

https://brainly.com/question/14366850

#SPJ4

Correctly written question

If you have a duplex single-acting reciprocating pump making 170 stroke/minute, with a 6" diameter cylinder, a 14" troke, and operating with 89% volumetric efficiency, what is the capacity of this pump?

Padded dashboards in cars are safer in an accident than non padded ones because passengers hitting the dashboard encounter a: (A) increased time of impact.

In Engineering, an automobile is also referred to as a car or motorcar and it can be defined as a four-wheeled vehicle that is designed and developed to be propelled by an internal-combustion (gasoline) engine, especially for the purpose of transportation from one location to another.

Generally speaking, a padded dashboards in automobile vehicles (cars) are safer in the course of an accident than non-padded dashboards because a passenger who hits the dashboard is most likely to encounter a lengthened time of contact or an increased time of impact, which may eventually lead to casualties.

In conclusion, it is very important to purchase automobile vehicles (cars) with a padded dashboard by the manufacturer.

Read more on dashboards here: https://brainly.com/question/13906408

#SPJ1

Complete Question:

Padded dashboards in cars are safer in an accident than non padded ones because passengers hitting the dashboard encounter a _____?

(a) increased time of impact

(b) decreased impulse

(c) increased force

(d) increased impulse.

Answer:

Answer is "Increasing the number of base stations & reusing the channels"

Explanation:

Answer:

radio capacity may be increased in cellular concept by increasing the number of base stations and reusing the channels.

short-circuit evaluation is a mechanism used by some programming languages to optimize the evaluation of boolean expressions. Python is an example of a language that always uses short-circuit evaluation, while C++ is an example of a language that never uses it.

In computer programming, short-circuit evaluation is a mechanism where the evaluation of a boolean expression stops as soon as the result of the expression is known. It means that if the first operand of an AND expression is false, the second operand will not be evaluated since the overall expression will always be false regardless of the second operand's value. Similarly, if the first operand of an OR expression is true, the second operand will not be evaluated since the overall expression will always be true regardless of the second operand's value.Now, to answer your question, there are programming languages that always use short-circuit evaluation and those that never use it.
An example of a programming language that always uses short-circuit evaluation is Python. In Python, the boolean operators "and" and "or" always perform short-circuit evaluation. This means that if the result of the expression can be determined from the first operand, the second operand will not be evaluated.
Here's an example in Python:
# Using short-circuit evaluation in Python
x = 5
y = 0
if x > 1 and y > 1:
 # This code will not execute since y > 1 is not evaluated
 print("Both x and y are greater than 1")
else:
 print("At least one of x and y is not greater than 1")
In this example, the expression `x > 1` is true, but the expression `y > 1` is false. Since Python uses short-circuit evaluation, it only evaluates the first expression and does not evaluate the second one. Therefore, the code in the if block is not executed, and the else block is executed instead.

To know more about boolean visit:

brainly.com/question/32099747

#SPJ11

The area of the gutter is therefore equal to the area of the rectangle plus the area of the triangles.

A = rectangle + 2 * triangle

= 10h + 2 * (1/2 hw)

Using trig work out h and w.

h = 10 sin ?

w = 10 cos ?

A = 10h + hw

= 100sin? + 100sin?cos?

Differentiate the expression (either use the product rule for sin? cos?, or write 100sin?cos? as 50sin2? using the double angle formula)

A = 100sin? + 50sin2?

dA/dt = 100cos? + 100cos2?

For A to be a max or min the derivative must equal zero

100cos? + 100cos2? = 0

cos? + cos2? = 0

Use the double angle formula to write cos2? as 2cos^2 ? - 1

cos? + 2cos^2 ? - 1 = 0

2cos^2 ? + cos? - 1 = 0

This quadratic factorizes:

(2cos? - 1)(cos? + 1) = 0

This means that

cos ? = 1/2 or cos ? = 1

giving:

? = pi/3 or ? = pi

Which means that to achieve the maximum area ? should be pi/3 = 60 degrees

You can check that this is the max by substituting in these values of theta and the two end points (theta = 0, theta = pi), and seeing that pi/3 gives the maximum.

The maximum area is therefore

A = 100sin? + 100sin?cos?

= 100sin(pi/3) + 100sin(pi/3)cos(pi/3)

= 100 sqrt(3) / 2 + 100 sqrt(3)/2 * 1/2

= 100 * 3/2 * sqrt(3) / 2

= 3 * 25 * sqrt(3)

= 75 sqrt(3)

= 129.9...

= 130 cm^3

You can learn more about this through link below:

https://brainly.com/question/20355154#SPJ4

Answer:

?????????????????????????????????????

Answer:

you have to think then go scratch and then calculate and the design  

Explanation:

The statistical analysis of a dataset inform a design process.

Statistical analysis is a kind of tool which helps collect and analyze large amounts of data. This is helpful to identify common patterns of dataset and make trends to convert them into meaningful information.

Designers do make use of statistical analysis of dataset in design process.

Analysis is a key part of design process.  Without analysis, nothing can be done in designing process.

Learn more about statistical analysis

https://brainly.com/question/14724376

#SPJ2

Steel-frame construction has been likened to "Mechano"

Steel-frame construction has been likened to a game of erector sets, where the pieces are prefabricated in a factory and then transported to the construction site for assembly.

This comparison highlights the efficiency and precision of the steel-frame construction process, which allows for buildings to be erected quickly and with minimal waste.

Additionally, steel is a strong and durable material that can withstand extreme weather conditions and seismic activity, making it a popular choice for modern buildings.

Overall, the use of steel in construction has revolutionized the industry and helped to create innovative and sustainable structures.

To learn more about construction visit:

https://brainly.com/question/14550402

#SPJ4

The estimated cost for a 500-MW fossil-fuel plant is $592.5 million using the cost-capacity factor. The suitable cost estimating method is indexing.

To estimate the cost for building a 500-MW fossil-fuel plant, we can use the cost-capacity factor and the known cost of a 200-MW plant. Here's a step-by-step explanation:

1. Understand the cost-capacity factor: The cost-capacity factor is a parameter used to estimate the relationship between the capacity of a power plant and its cost. It represents the cost increase per unit of capacity.

2. Calculate the cost-capacity factor: The cost-capacity factor for the fossil-fuel power plant is given as 0.79. This means that for every additional unit of capacity, the cost increases by 0.79 times.

3. Determine the cost of a 200-MW plant: It is stated that the cost of a 200-MW plant is $300 million. This serves as our baseline cost.

4. Calculate the cost for a 500-MW plant: To estimate the cost for a 500-MW plant, we need to apply the cost-capacity factor. Since the cost-capacity factor is 0.79, the cost for a 500-MW plant can be calculated as follows:

  Cost for a 500-MW plant = Cost of a 200-MW plant * (Capacity of 500-MW plant / Capacity of 200-MW plant) * Cost-capacity factor

  Plugging in the values:

  Cost for a 500-MW plant = $300 million * (500 MW / 200 MW) * 0.79

  Simplifying the calculation:

  Cost for a 500-MW plant = $300 million * 2.5 * 0.79 = $592.5 million

Therefore, the estimated cost for building a 500-MW fossil-fuel plant is $592.5 million.

5. Determine the appropriate cost estimating method: Based on the given information, the most suitable cost estimating method for this scenario is indexing. Indexing involves adjusting historical costs using a cost index to account for changes in inflation, labor rates, and material costs over time.

In summary, the estimated cost for building a 500-MW fossil-fuel plant is $592.5 million using the cost-capacity factor. The appropriate cost estimating method for this estimation is indexing.

To learn more about cost-capacity factor click here: brainly.com/question/13168913

#SPJ11

The components directly attached to the motherboard are CPU, Memory (RAM), PSU, and expansion slots.

The components of a computer that are directly attached to the motherboard are as follows:

Central Processing Unit (CPU) is the brain of a computer, which executes the instructions provided by software.

Memory (RAM) is a component of a computer that stores data and instructions for quick access by the CPU.

Power supply unit (PSU) is responsible for supplying power to all components of a computer system, including the motherboard and other peripheral devices such as hard drives and optical drives.

The motherboard also contains several expansion slots, which allow the user to add additional components such as a sound card, graphics card, or other types of peripheral devices.

Some motherboards also have onboard components, including sound and network interfaces, as well as video output ports, which are built into the motherboard.

Learn more about  motherboards:

https://brainly.com/question/29981661

#SPJ11

i mean i have no idea what ya saying but i will just say what goo gle said Second-degree burns are more serious because the damage extends beyond the top layer of skin. This type burn causes the skin to blister and become extremely red and sore. Some blisters pop open, giving the burn a wet or weeping appearance. Over time, thick, soft, scab-like tissue called fibrinous exudate may develop over the wound

9514 1404 393

Answer:

  A.  15 cm²

  B.  15 cm²

Explanation:

The diagram shows the values of a, b, h. Put these in the original formula to find the area.

  A = 0.5(a+b)h

  A = 0.5(3 +7 cm)(3 cm) = 0.5(10 cm)(3 cm) = 15 cm²

__

The base of each triangle is half the difference between the two base lengths.

  triangle base = (7 -3)/2 = 2 . . . cm

The area of a triangle is given by the formula ...

  A = 0.5bh

  A = 0.5(2 cm)(3 cm) = 3 cm²

The area of the central rectangle is given by ...

  A = bh

  A = (3 cm)(3 cm) = 9 cm²

Then the area of the trapezium is ...

  A(triangle) +A(triangle) +A(rectangle) = A(trapezium)

  (3 cm²) +(3 cm²) +(9 cm²) = A(trapezium) = 15 cm²

The CIA triad and the Parkerian hex are the fundamental principles of information security.

Parkeriano, or Parkerian hexad: is a set of six elements of information security proposed by Donn B. Parker.

1. Confidentiality.

2. Ownership or Control.

3. Integrity.

4. Authenticity.

5. Availability.

6. Utility

The Parkerian hexagram adds three more attributes to the three classic security attributes of the CIA triangle

these are the fundamental principles of information security.

Learn more about CIA triad in  https://brainly.com/question/14697747

Answer:

1. TURN ON YOUR HAZARD/EMERGENCY LIGHTS

Turn on your hazard lights to warn other drivers as soon as you sense something's wrong. Keep them on until help arrives, recommends the National Motorists Association (NMA).

2. SLOW DOWN AND PULL OFF THE ROAD

Aim for the right shoulder of the road. Consumer reports recommends that you pull over to a safe, flat location that is as far away from moving traffic as possible.

3. TURN YOUR WHEELS AWAY FROM THE ROAD AND PUT ON THE EMERGENCY BRAKE

The California Department of Motor Vehicles (DMV) recommends pulling your emergency brake, sometimes called the parking brake. If you have to park on a hill or slope, turn the car's wheels away from the road to help prevent the care from rolling into traffic, says the California DMV.

4. STAY IN YOUR VEHICLE

If you're on a highway or crowded road, the Insurance Information Institute (III) recommends that you avoid getting out of your vehicle to look at the damage or fix a mechanical problem. If you need to get out of the car, get your vehicle to a safe place and make sure the road around you is completely clear. If you're stopped on the right-hand side of the road, get out through the passenger-side door.

5. BE VISIBLE

Once you're safely out of the vehicle, prop up your hood to let other drivers know they should proceed with caution. This will alert other drivers that you're broken down, according to the NMA.

6. SET UP FLARES OR TRIANGLES

Place flares or triangles with reflectors behind your car to alert other drivers to the location where you've stopped, says the III.

7. CALL FOR HELP

Call or use an app to get a tow truck, mechanic or roadside assistance to come help. your insurance company or other provider who may be able to help. If you're in an emergency situation or are not sure who to contact, call 911 or the local police for help.

Hope this helps :)

Answer

The skateboarder applies pressure to the trucks and gives/releases pressure on the levers. Second, the wheels and the axles are also examples of simple machines. They help the skater ride, spin, grind, and do a bunch of other radical movements on a skateboard.:

Explanation:

The three ways that research can facilitate the work of building technicians is that:

Building technicians are known to be people who help with some tasks around construction projects and building works.

Note that building technician overseeing a scope of tasks such as monitoring build progress and as such The three ways that research can facilitate the work of building technicians is that:

Learn more about technicians from

https://brainly.com/question/1548867

#SPJ1

Answer:

Due to risk of damaging of brain.

Explanation:

The electrode therapy is not the most effective treatment for brain disorders because there are various other treatments which can treat the brain disorder without causing damage to the brain. electrode therapy greatly damaged the brain instead of treatment of brain disorder. Medication is the best way to treat brain disorder so that's why electrode therapy is not considered as the most effective treatment for brain disorders, and the doctors recommend an alternative treatment.

Center of gravity, or CG, is defined as the point in an object where the mass is evenly distributed. It is important to know the location of the CG because it has an impact on the stability and balance of the object. In aviation, the CG of an aircraft is a critical factor that affects the performance and safety of the flight.
In this case, we have the following information:

Weight (W) = 8,420 lb
CG location (CG) = Station 85

Simplifying the equation:

717,700 + 4,200 = 8,360 × CG3

721,900 = 8,360 × CG3

CG3 = 721,900 / 8,360

CG3 = 86.3

Therefore, the new CG location after removing 60 pounds from Station 70 is Station 86.3. The answer is not given in the choices, but it is closer to option (a) than the other two.

To know more about gravity visit:

https://brainly.com/question/31321801

#SPJ11

Based on the fact that Megan arranged the machines according to their functions, this is Process layout. Thus, option A is correct.

This is the way of arranging a shop or factory where the machines and equipment are arranged according to their function.Megan arranged her machines according to how they function so that she can be able to move from one station to another. This is therefore a process layout.

In the process layout, similar processes are grouped together, and machines are arranged according to the production process. This type of layout is ideal for factories that produce a variety of products with different production requirements, as it allows for flexibility in production.

In a heavy machine tools factory, various machines with different production requirements are used, and a process layout would allow for efficient use of resources and flow of materials.

Find out more on process layouts at:

brainly.com/question/14409617.

#SPJ4

Answer:

a building project...

Explanation:

(a) This is a unity feedback system because the output is taken from the feedback branch of the system.

(b) The steady-state error for a step input is zero, which means that there is no error and the output exactly follows the input.

(c) The steady-state error for a ramp input is infinity, which means that the error will continue to increase as time goes on and will never reach a steady state.

We are given the following system:R(3) Y(S) ki kps 8+10
(a) This system is a unity feedback system because the output is taken from the feedback branch of the system. To determine the loop transfer function, we need to take the product of all the blocks in the feedback loop. Therefore, the loop transfer function is T(s) = ki kps / (1 + ki kps). We can see that the output is taken from the feedback branch because the output variable, Y(S), is connected to the input variable, R(3), through a feedback loop.

(b) The steady-state error for a step input is zero. This means that there is no error between the input and output of the system once the input has stabilized. In other words, the output exactly follows the input without any deviation. This is because a step input provides a constant reference input, which can be easily tracked by the system.

(c) The steady-state error for a ramp input is infinity. This means that the error will continue to increase as time goes on and will never reach a steady state. The reason for this is that a ramp input is a constantly increasing input, which cannot be tracked by the system. As a result, the error between the input and output will continue to increase as time goes on without ever stabilizing.

We can conclude that the given system is a unity feedback system, and its loop transfer function is T(s) = ki kps / (1 + ki kps). The steady-state error for a step input is zero, while the steady-state error for a ramp input is infinity.

To know more about steady-state visit:
https://brainly.com/question/31109861
#SPJ11

The statement "RTO was not met and RPO was met" is true in this scenario.

Based on the information provided, the RTO (Recovery Time Objective) was not met, but the RPO (Recovery Point Objective) was met.

The RTO is the maximum acceptable downtime for a system or application after a failure occurs. In this case, the application failed at 9:00 AM and was recovered at 10:30 AM, which exceeds the 2-hour RTO.

The RPO is the maximum acceptable amount of data loss after a failure occurs. In this case, the data from 8:00 AM was restored, meeting the 1-hour RPO requirement.

Therefore, the statement "RTO was not met and RPO was met" is true in this scenario.

RTO refers to the maximum acceptable downtime for a system or application. In this case, the RTO is 2 hours. The application failed at 9:00 AM and was recovered at 10:30 AM, which means the downtime was 1.5 hours. Since the downtime exceeded the RTO of 2 hours, the RTO was not met.

RPO refers to the acceptable amount of data loss after a recovery. In this case, the RPO is 1 hour. The data was restored from 8:00 AM, which means there is a data loss of 1 hour (from 8:00 AM to 9:00 AM).

To know more about  RPO (Recovery Point Objective), click here:

https://brainly.com/question/31844100

#SPJ11

If the united states obtained all its energy from oil, 8.3 *10^12 liters oil would be needed each year.

=E (US) / E (oil)

= (10^20) / (1.2 * 10^7)

=8.3 *10^12 liters

Fossil fuel power plants use the heat produced by burning coal or oil to produce steam, which drives turbines to produce electricity.

A non-renewable energy source is oil. This implies that crude oil will eventually run out. Carbon dioxide gas is created by burning oil. This gas acts as a greenhouse and accelerates climate change.

Oil, coal, and natural gas are examples of non-renewable fossil energy resources that were created when extinct prehistoric plants and animals were progressively buried under layers of rock.

Chemical energy is the energy held in atom and molecule bonding. Chemical energy can be found in things like batteries, biomass, oil, natural gas, and coal.

Learn more about energy from oil:

https://brainly.com/question/25614315

#SPJ4

Answer:

Computer programming is where you learn and see how computers work. People do this for a living as a job, if you get really good at it you will soon be able to program/ create a computer.

Explanation:

Hope dis helps! :)

The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.

Gate Theory states that competing signals such as rubbing your elbow can make you more sensitive to pain. This theory suggests that physical signals such as massage, pressure, heat, or cold can block the transmission of pain messages through the spinal cord and prevent them from reaching the brain. Therefore, when people rub their elbows or apply pressure to the area, this stimulates the non-painful touch fibers and decreases the transmission of the painful stimuli.

As per the statement, patients who are allowed to self-administer morphine use less than when they receive injections from healthcare providers is True. Olfaction is a very important sense for humans, and they often become depressed when they lose their sense of smell (olfaction). The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.

To know more about tongue please refer:

https://brainly.com/question/13178857

#SPJ11

The time period of the solar system's orbit is 2.05x10^8year

Answer:

Geological and civil engineers sometimes work together, but have very different responsibilities. While geological engineers study the earth's inner and outer surface to evaluate potential mining and infrastructure construction sites, civil engineers design the infrastructure to be built.