The dome of a cathedral has a semispherical form with radius of 50m. If the restoration costs $300 per m², what is the total cost of the restoration?

Answers

Answer 1

answer

[tex]=\frac{2}{3}x\frac{22}{7}x6.3x6.3x6.3m^{3}=523.908m^{3}[/tex]


Related Questions

Cutting ___ the manometer is the procedure for operating a manometer's three-way manifold valves to disconnect the manometer from a process.

Answers

Answer:

Cutting out

Explanation:

That is the correct answer.

Select three ways an engineer can create a view of a design.


sketching projection

isometric projection

orthographic projection

third-angle projection

leader projection

extension projection

Answers

Sketching projection

Sketching will give the brief planning of the engineering work to be done so it's important

Isometric projection

Yes doing a work in 3D factor out the mistakes which can be optimised

Third angle projection:-

Viewing angles matter a lotSo it will help the engineer to make it perfect from all angles

Which of the following uses pressure and flow to transmit power from one location to another

Answers

Answer: Liquid and gas

Explanation: flowing under pressure to transmit power from one location to another

Why am I unable to report bots? (The people who input a wrong answer that takes you to some website)

Answers

Answer:

Because the system automatically deletes their answer, but you still see it for a while.

Explanation:

Describe the limitations of the assembly model in representing the physical automaton.

Answers

Answer:

They are expensive, time-consuming to make, the needing to be rebuilt if destroyed, and sometimes it is impossible to build a large enough model

Explanation:

They are costly, labor-intensive to manufacture, must be rebuilt if they are destroyed, and occasionally it is impossible to construct a large enough model.

What is automaton?

An automaton is a relatively self-operating machine or control system designed to perform a series of tasks automatically or respond to preset commands.

The bell strikers in mechanical clocks are an example of an automaton that, to the uneducated eye, appears to be propelled by its own volition.

The expression has a long history of use to describe automata that move like real, breathing people or animals and are created to entertain or impress people.

Therefore, they are expensive to produce, labor-intensive to rebuild if they are destroyed, and occasionally impossible to build a large enough model.

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Cite three examples to describe how an engineer ensures that his or her designs are made to scale.

Answers

⚠ANSWER⚠

↪It is exactly defined by those three words.

1. Process - it is a set of activities that turns input into wanted outcome.

2. Design - a representation of the looks, functions and functionality of your product (outcome)

3. Engineering - is the use of science in order to achieve goals

So here is how I would define engineering design process:

It is a set of activities, powered by physics and mathematics in order to create optimal solution.

I think the most important word here is optimal .

In engineering design it is all about the limits and boundaries. You are limited by budget, materials, space, time...

So you can never create the best solution. You can only do optimal.

Optimal is a solution which will meet all (or the most) limits.

If you are to design a car engine, the best design would probably be the one that does not use any fuel.

But that is not possible, right, since you are limited by the law of conservation of energy. So the optimal solution would be an engine which will use the less fuel as possible.

Of course, there are best practices for the design activities mentioned above (workflows, decision points, phases...)

This is the process model that works for me:

1. You get the task (problem).

2. Set the boundaries

3. You get an idea for solution (brainstorm)

4. Create a mathematical model for solution (describe by numbers)

5. Create a physical model for solution

6. Concept design (sketch)

7. Drawings (3D model)

8. Simulate (if simulations fails, return to point 6)

9. Prototype and test

After this, your solution will be implemented and used.

You will get feedback.

You (or someone else) will improve your solution (product)

Your old solution will "die" (or be recycled)

New solution will take it's place.

And that is what is called product life cycle. Important part of engineering design process.

...hope this helps...

Not letting me add answer ,refer to the attachment

The third engineering principle seeks to minimize the use and depletion of natural resources.

True of False?

Answers

Answer:

True

Explanation:

This acronym is a reminder of the most common types of hazards or injuries caused by electricity.

Answers

Answer:

BE SAFE

Explanation:

it stands for Burns, Electrocution, Shock, Arch Flash/Arc Blast, Fire, Explosions

If only one side of the fuse lights the test lamp, then the fuse is:
Select one:
O a. Blown
O b. Good
O c. About to fail
O d. A special type of fuse

Answers

Answer:

blown

Explanation:

a light bulb is not working, so one side of a room will look brighter because the fuse has blown.

Brainly people I really needed help so.
What is the length of the bar that can be made from 1.2 m³ of Aluminum if the bars have rectangular cross section of 0.25 m²?

Answers

Answer:

  4.8 m

Explanation:

The volume of a rectangular prism is given by the formula ...

  V = Bh . . . . . base area B, height h

Given the volume and the area of the cross section, the length can be found as ...

  h = V/B

__

Filling in the given values, we find the length to be ...

  h = (1.2 m³)/(0.25 m²) = 4.8 m

A bar 4.8 m long can be made from the given volume of aluminum.

Answer:

4.8

Explanation:

What does it mean to “declare a variable”

Answers

Answer:

Declaration of a variable is for informing to the compiler the following information: name of the variable, type of value it holds and the initial value if any it takes. i.e., declaration gives details about the properties of a variable. Whereas, Definition of a variable says where the variable gets stored.

Explanation:

Have a good day

In a stream channel, the total volume of water flowing through a cross-section of stream is _______.

Answers

Answer:

The sediment and dissolved matter transported by the stream is called its load. 3. The quantity of water passing a fixed point on the stream bank within a given interval of time is a measure of the stream's discharge

Explanation:

Select three types of lines that engineers use to help represent the shape of a design in a sketch.

object lines

leader lines

center lines

extension lines

dimension lines

hidden lines

Answers

Answer:

object, hidden, and center lines

Explanation:

Among the given alternatives, we prefer to dimension to visible lines.

When creating technical drawings, dimensions are typically placed on visible lines. Visible lines represent the visible edges or outlines of an object or part. These lines are used to depict the physical features of the object that are visible to the eye. By dimensioning to visible lines, we ensure that the measurements are accurately associated with the visible features of the object.

This helps to provide clear and unambiguous information about the size and location of the features being dimensioned. Dimensions on hidden lines or center lines may not accurately represent the physical dimensions of the visible features and can lead to confusion or misinterpretation. Therefore, visible lines are the preferred choice for dimensioning in technical drawings.

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4. Which 2D shape on the left would be used to make the 3D shape on the right? (1 pt.)
a.
.
b.

Answers

it would be a bc its a sqare?well 3d is like you can say a cube 2d is like flat

Explanation:

Which of the following are examples of engineering controls? Select all that apply.

Steps for removing used medical exam gloves
Washing stations
Biohazard waste containers
Spill clean up kits
Sharps containers

Answers

The examples of engineering controls is Biohazard waste containers and Spill clean up kits.

What is engineering controls?

An engineering controls is a workplace process that protect workers by removing hazardous conditions or by placing a barrier between the worker and the hazard.

An example of engineering controls is installation of exhaust ventilation to remove airborne emissions to shield the worker.

Hence, the examples of engineering controls is Biohazard waste containers and Spill clean up kits.

Therefore, the Option C and D is correct.

How many board feet (bf.) in a 2" x 4", 12' long? *

Answers

Answer:

8.24

Explanation:

that's my answer bhe

btw pa brain laest:)

Technician A says test lights are great for performing simple tests. Technician B says you can use a test light to check SRS circuits and computer circuits. Who is correct

Answers

The technician that is correct about either testing lights for simple tests or to check SRS Circuits is; Technician A.

Which Technician is Correct?

First of all it is pertinent to note that test lights are generally small bulbs that are turned on by the voltage and current flowing through the circuit in analog circuits.

Now, the  two values ​​of voltage and current are high and sufficient to light up the bulb. However, in digital circuits, the current is very small in the order of milliamps, and as a result there is not enough power to turn on the lights.

Thus, we can conclude that Technician A is correct.

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When you multiply monomials with the same variables, you multiply the coefficients and add the exponents!

Answers

If you multiply monomials with the same variables, you will also multiply the coefficients and add the exponents is a true statement.

What is multiplying monomials of exponents ?

If a person multiply monomials, the first thing to do is to multiply the coefficients and later on one can multiply the variables through the addition of the exponents.

Conclusively, One needs to know the fact that if a person multiply monomials using the same base, the person can also add their exponents and this is referred to as Product of Powers Property.

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Which type of line is represented by thin, short dashes?

center lines

engineering lines

hidden lines

object lines

Answers

hidden lines

These are dotted linesThese are used to describe hidden spaces .Like if a cube is drawn then we can't see the diagonal inside from corner to corners so we represent it as dashed lines

Answer:

hidden lines

Thick line for outlines.

Thin line for dimension lines, projection lines construction lines, hatching lines.

Thin short dashes for hidden detail.

Thin long chain for centre lines, pitch circles, path lines for indicating movement.

Thick long chain for cutting planes and viewing planes.

Ruled line and short zig-zags for long break lines.

Thick wavy line for short break lines and irregular boundary lines.

what is the process of creating a perfectly glued together edge to edge joint.

Answers

Answer:

Mark the boards. Arrange boards for their best appearance. ... Apply wood glue. Apply glue smoothly and evenly along the board edge, using your finger as a guide. ... Slide the boards together. ... Check the glue coverage. ... Look for glue squeeze-out. ... Make the boards even. ... Scrape soft glue.

Explanation:

A voltage _______ is an increase or decrease in the normal line voltage within the range of 5% to -10%.

Answers

A voltage Fluctuation is an increase or decrease in the normal line voltage within the range of 5% to -10%

A series of concrete pillars have been built on the border between Kuwait and Iraq. They are there to __________ the border.

Answers

A series of concrete pillars have been built on the border between Kuwait and Iraq. They are there to demarcate the border.

What is a border?

A border is a geographical boundary that separate countries, states, provinces, counties, cities, and towns.

A series of concrete pillars have been built on the border between Kuwait and Iraq. They are there to demarcate the border.

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Which of the following structures is most likely to have a formal risk management plan?


residential well

townhome

football stadium

municipal park

Answers

Answer:

football stadium because huge numbers of people will gather here to watch matches

Which design principle element of architecture makes use of the golden ratio? A. pattern B. unity C. value D. proportion and scale

Answers

Answer:

D. Proportion and scale

Explanation:

Name and describe at least four geometric shapes that will be included in the design in the following scenario.

Situation: Peter is designing a new hybrid car that functions on solar power. He is currently working on sketches of his design using geometric patterns and shapes.

Answers

Sphere:-

Car include tires and mechanical screws etc which are spheres so sphere is a best shape .

Lines:-

Lines cab be used the bordering and the outer structure of car also for solar panels

Prism

Prism can be used to design the total shape of the car which is about a cuboid

Arch can be used also

Which would you rather?
Tesla roadster 2023
Tesla roadster 2011
Ferrari SF90
Tesla model S PLAID 2022

Answers

Answer:

Tesla roadster 2011

Ferrari SF90

Explanation:

Select four geometric shapes that are commonly used by engineers in their designs.

arch

vertex

sphere

line

cone

prism

Answers

Answer:

Arc ,sphere ,line ,prism

Explanation:

Arc is used for semicircular or short term projectsSphere is used for design of spherical surfaces or projectsPrism is used for creating buliding designsLines are especially used for creating roads, flyover design

Answer:

Sphere, Prism, Arch, Line

Explanation:

Which option identifies the type of engineering career focus needed in the following scenario?

Gail has been a civil engineer for over 10 years. She would like to narrow her focus to a more targeted engineering field; for example, she is very interested in designing bridges. The work she desires would place careful consideration on the load and weight that a structure can support while it resists weather elements and vehicles.

materials engineer

structural engineer

mechanical engineer

chemical engineer

Answers

Answer:

Structural engineer

Explanation:

Mechanical engineer would be perfect but it's mentioned that she desires structural research that resists weather elements and vehicles .So it's about the engineering of structure creation.

Hence option B is correct

How many squares titles (20cm x 20cm) are needed to coat the sides and base of a pool which is 10m long, 6 meter wide and 3m deep?

Answers

centimetersAnswer:

45 square tiles

Explanation:

First, you find the volume of the pool in meters and then convert it to centimeters. From there, you find the area of one tile. The last step is to divide the volume of the pool (in centimeters) by the area for one tile.

Answer: 45 square tiles

Explanation:

A good general rule about hearing protection is that it should be used if you must raise your voice for someone to hear you when they are
2-3 feet (61-91 cm) away
3-4 feet (91-122 cm) away
5-6 feet (1.5-1.8 m) away
8-9 feet (2,4-2,7 m) away

Answers

Answer:

2 - 3 feet (61 - 91 cm) away

Explanation:

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