No underwater luminaires shall be installed in a permanently-installed swimming pool that operates on supply circuits over ____________ between conductors.

Answers

Answer 1

No underwater luminaires shall be installed in a permanently-installed swimming pool that operates on supply circuits over 50 volts between conductors.

What is underwater luminaires?

Underwater luminaires are lights that are designed to be used underwater, typically in swimming pools or other bodies of water.

They are used to provide illumination in and around the water, and can be used for a variety of purposes such as safety, aesthetics, or recreation. They are typically waterproof and sealed to prevent water from entering and damaging the electrical components.

What is conductor?

A conductor is the material which allows electricity to continuosly flow through it easily. In the context of an electrical circuit, a conductor is a material, typically a metal such as copper or aluminum, that allows an electric current to flow through it, thus connecting different parts of an electrical circuit.

Conductors are used to make wires and other components that are used to transmit electricity in a variety of devices and systems, including power grids, electronic devices, and lighting systems.

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Related Questions

Modern aircraft are designed in a way that, when all seats are occupied, the baggage compartment is full, and all fuel tanks are full, the aircraft is:

Answers

Modern aircraft are designed in a way that, when all seats are occupied and baggage is full, and all fuel tanks are full, the aircraft is overloaded.

What is aircraft storage?

Aircraft storage refers to all storage systems in an aircraft for human transportation and also to transport products among countries.

The aircraft storage system is well calculated to work is a maximum capacity in commercial fly lines.

In conclusion, modern aircraft are designed in a way that, when all seats are occupied and baggage is full, and all fuel tanks are full, the aircraft is overloaded.

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The only difference between all GMA welding machines and some FCA welding machines is that all GMA welding machines must have a ______________.

Answers

Answer: Shielding gas solenoid

Explanation:

How are new slip rings attached to the rotor core during alternator rebuilding?

Answers

The new slip rings is been  attached to the rotor core during alternator rebuilding by b. Soldered on.

What is the process of Soldering ?

Soldering  is the use of Solder which is a metal alloy  consisting tin and lead and is the way of joining  different types of metals together by melting solder.

This is been used on new slip rings to get it  attached to the rotor core during alternator rebuilding .

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CHECK THE COMPLETE QUESTION BELOW:

How are new slip rings attached to the rotor core during alternator rebuilding?

a. Machine clamped

b. Soldered on

c. Crimped on

d. epoxy glue

Structural Safety Assessment and Traffic Control Strategies of Widened Highway Bridges under Maintenance Works Requiring Partial Lane Closure

Answers

Structural Safety Assessment and Traffic Control Strategies of Widened Highway Bridges under Maintenance Works Requiring Partial Lane Closure journal is based on the  way and techniques that can be used in maintaining  the Safety on the road as well as the Assessment of Traffic Control.

What are the techniques in controlling the traffic?

There are Devices that are typically used in the traffic control, and this can  include speed bumps as well as the barricades to block streets.

Others techniques are:

turn prohibitions stop signs raised pavement markers.

Traffic restraint can also entails the includes programs  that can foster bicycle as well as the pedestrian travel.

The rapid structural safety assessment help in inspecting and evaluating the concrete structure as well in determining  the damaged structure if it is  unsafe for personnel within the building .

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An isolation transformer whose main purpose is to reduce voltage spikes will have a turns ratio of?

Answers

Answer:

An isolation transformer whose main purpose is to reduce voltage spikes will have a turns ratio of 1 to 1.

This is due to the windings input and output having the same waveform and amplitude.

Metal wireways are sheet metal troughs with _____________ for housing and protecting electrical conductors and cable.

Answers

Answer:

Metal wireways are sheet metal "U"s with removable housing for protecting electrical equipment, wires, and cables.

Explanation:

These are especially used to run wire in manufacturing environments.

In 2001, a land-development company launched an engineering project on land adjacent to a protected wetlands area

Answers

The statement that summarizes the data is that the population data should be collected over a much lingers period of time in order to draw a valid conclusion.

What is data?

It should be noted that data simply means the facts or statistics that are put together to get more information about a particular issue.

It should be noted that a project simony refers to an individual or collaborative enterprise which is planned in order to achieve a particular aim. In this case, the land-development company launched an engineering project on land adjacent to a protected wetlands area.

It should be noted that the time frame that the data was collected matters a lot in order to get a valid conclusion.

In this case, the statement that summarizes the data is that the population data should be collected over a much lingers period of time in order to draw a valid conclusion.

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The options to the question:

a. The data Gail to represent a broad diversity of species and so do not provide enough information to adequately draw a conclusion.

b. Population data were not sampled frequently enough to draw a valid conclusion.

c. The data show stable population trends in native species providing evidence that the engineering project has no negative impact on the ecosystem.

d. The population data should be collected over a much lingers period of time in order to draw a valid conclusion.

what is the basic concept of the finite element method.​

Answers

Answer:

The FEM is a general numerical method for solving partial differential equations in two or three space variables (i.e., some boundary value problems). To solve a problem, the FEM subdivides a large system into smaller, simpler parts that are called finite elements.

If your crew is the first to arrive on the scene of a major mci, what will be a major aspect of your scene size-up?

Answers

If your crew is the first to arrive on the scene of a major MCL, The major aspect of your scene size-up will be to Make a sweep to determine what needs must be met. Option D. This is further explained below.

What is the scene of an MCL?

Generally, If your team is the first to arrive at the scene of a significant MCL, the most important part of your scene size-up will be to do a sweep to identify the requirements that need to be satisfied. Choose option D.

In conclusion, A medial collateral ligament (MCL) injury occurs when the ligament on the inside of the knee is stretched, partially torn, or completely ruptured. Most knee injuries are caused by an excessive amount of valgus stress on the knee, which is one of the most prevalent.

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CQ

If your crew is the first to arrive on the scene of a major​ MCI, what will be a major aspect of your scene​ size-up?

A.

Make an initial scene report to the communications center.

B.

Control​ on-scene communication as help arrives.

C.

Prevent uncoordinated or undirected activity at the scene.

D.

Make a sweep to determine what needs must be met.

P=3000W
f1=0.9
f2=0.5
A=15mm2
travel speed=?

Answers

The Travel Speed at which the welding operation can be accomplished is given as 7.147mm/s. See the computation below.

What is travel speed?

The travel speed of the welding flame or gun across the workpiece is simply measured in millimeters per minute.

Travel speed, along with voltage and amperage, is one of three factors in arc welding that affect the amount of heat input.

What is the calculation that justifies the above answer is?

We are given the following:


Melting temperature = 1650 K

k = (3.33 * 10⁻⁶) * (1,650)²

k = 9.066 J/mm^3

The formula for velocity here is given as:

V = f1 * f2 * Rh / (k*A)

V = 0.9 * 0.6 * 3000 / (9.066*25)

V = 7.147 mm/s

Hence, the Travel Speed at which the welding operation can be accomplished is given as 7.147mm/s.

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Vivian's Violins has sales of $326,000, contribution margin of $184,000 and fixed costs total $85,000. Vivian's Violins net operating income is Blank______. Multiple choice question. $241,000 $57,000 $99,000

Answers

Based on the calculations, Vivian's Violins net operating income is equal to: D. $99,000.

How to calculate net operating income?

Mathematically, the net operating income of an individual or business firm can be calculated by using this formula:

Net operating income = Contribution margin - Total fixed costs

Given the following data:

Sales = $326,000Contribution margin = $184,000Fixed costs total $85,000

Substituting the given parameters into the formula, we have;

Net operating income = $184,000 - $85,000

Net operating income = $99,000.

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The lights on your vehicle must be turned on at any time, day or night, when persons and vehicles cannot be clearly seen for ___ feet.

Answers

Answer:

500 feet

Explanation:

In order to stop or turn your vehicle around on the highway you must have 500 feet of clear road in both directions. 4. Headlights are required at any time you cannot see persons or vehicles for 500 feet, due to snow, dust, fog, etc. and from ½ after sunset to ½ before sunrise.Hope this helps

The lights on your vehicle must be turned on at any time, day or night, when persons and vehicles cannot be clearly seen for 1000 feet.

What are vehicles?

A vehicle is a piece of equipment, typically with wheels and an engine, used for land-based transportation of people or goods. Cars, buses, and trucks are examples of road vehicles. Farm vehicles include tractors.

Vehicle type refers to a group of power-driven vehicles that share all crucial aspects of their engines, cars, and OBD systems.

When a vehicle is 500 feet away, the driver must dim his headlights.

Avoid looking directly into the light when a car is coming at you; instead, slow down. At least 30 minutes before dusk, headlights must be activated. It is also important to keep in mind that a lower headlight beam improves the driver's ability to see in fog.

Thus, it should be 1000 feet distance.

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Determine the carburizing time necessary to achieve a carbon concentration of 0.30 wt.% at a position of 4 mm into an iron-carbon alloy that initially contains 0.10 wt.% C. The surface concentration is to be maintained at 0.90 wt.% C, and the treatment is to be conducted at C. Use the diffusion data for -Fe in Table 5.2

Answers

The carburizing time necessary to achieve a carbon concentration is 31.35 hours

How to find the Carburizing Time?

To determine the carburizing time necessary to achieve the given carbon concentration, we will use the equation:

(Cs - Cx)/(Cs - C0) = ERF(x/2√Dt)

where;

Cs is Concentration of carbon at surface = 0.90

Cx is Concentration of carbon at distance x = 0.30

Distance x = 4 mm = 0.004 m

C0 is Initial concentration of carbon = 0.10

ERF() = Error function at the given value

D = Diffusion of Carbon into steel

t = Time necessary to achieve given carbon concentration ,

Thus, plugging in the relevant values gives;

(Cs - Cx)/(Cs - C0) = (0.9 - 0.3)/(0.9 - 0.1)

= 0.6/0.8 = 0.75

now, ERF(z) = 0.75 and as such using ERF table, we can say that;

Z = 0.814. Thus;

(x/2√Dt) = 0.81

Using the table of diffusion data, we have;

At a temperature of  (1100°C) or 1373 K, we have;

D = 5.35 × 10⁻¹¹ m²/sec.

Calculating the carbonizing time by using the equation z = (x/2√Dt);

where;

t is carbonizing time

Thus;

0.814 = (0.004/(2 × √5.35 × 10⁻¹¹ × √t))

0.814 = 0.004 /(1.4628 × 10⁻⁵ × √t)

0.814 × 1.4628 × 10⁻⁵ × √t = 0.004

1.19072 × 10⁻⁵ × √t = 0.004  

√t = 0.004/(1.19072 × 10⁻⁵)

√t = 335.93

t = 112848.96 seconds

Converting to hours gives;

t = 112848.96/3600

t = 31.35 hours

Therefore, the carburizing time necessary to achieve a carbon concentration is 31.35 hours

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Someone claims that the volume flow rate in a circular pipe with laminar flow can be determined by measuring the velocity at the centerline in the fully developed region, multiplying it by the cross-sectional area, and dividing the result by 2. Do you agree

Answers

The answer is 6 because I just took the test!

a. Calculate the equivalent resistance of the circuit

Answers

Answer:

no any think photo.

Explanation:

Write a class having two private variables and one-member function which will return the area of the rectangle.

Answers

Using the knowledge in computational language in C++ it is possible to write the code being write a class having two private variables

Writting the code in C++:

#include <iostream>

using namespace std;

class Rectangle { /*create a class named Rectangle*/

  private:

  float l,b; /*this class has two private variables l and b*/

  public:

  float getArea(float l, float b) /*this class has one member-function getArea which returns the area of the rectangle*/

  {

   return l*b; /*return the area of the rectangle*/

  }

};

int main () { /*the main function to check the working of our Rectangle class*/

 float l,b;

 Rectangle r1; /*create an object r1 of Rectangle class*/

 cout<<"Enter the length of the rectangle: ";

 cin>>l; /*input the length of the rectangle from the user*/

 cout<<"Enter the breadth of the rectangle: ";

 cin>>b; /*input the breadth of the rectangle from the user*/

 cout <<"Area of the rectangle is: "<< r1.getArea(l,b)<<" square units."; /*find the area of the rectangle using the member function of the class*/

 return 0;

}

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Through Engineering, human achievement continues to advance. Write about your favorite example of engineering in action and what impresses you about it from an Engineering standpoint.

Answers

Hydroelectric power plants are outstanding engineering devices that allow people to obtain energy from renewable sources.

What is a hydroelectric power plant?

A hydroelectric power plant is a center for the production of electricity based on hydropower energy systems.

Hydroelectric power plants exploit the energy of water masses (e.g., a stream) to produce clean energy for million of people around the world.

These plants have generators capable of converting mechanical energy  into electricity by using simple turbines.

In conclusion, hydroelectric power plants are outstanding engineering devices that allow people to obtain energy from renewable sources.

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To put out a class D metal fire, you must _______ the fire.

Answers

To put out a class D metal fire, you must smother the fire and eliminate the oxygen element in the fire.

What is a Class D fire?

A class D fire is a type of fire that cannot be extinguished by water. This is because adding water to it reacts with other elements in the fire intensifying the fire even more.

Smothering in this context involves adding a solution like carbon dioxide (CO2) into the fire, this results in a reduction of oxygen in the atmosphere surrounding the class D fire.

By so doing, smothering the fire eliminates the oxygen element in the fire, thereby extinguishing the fire.

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Which is not one of the primary characteristic of unit testing:

Answers

Answer:

Unit testing is a software development process in which the smallest testable parts of an application, called units, are individually and independently scrutinized for proper operation. This testing methodology is done during the development process by the software developers and sometimes QA staff. The main objective of unit testing is to isolate written code to test and determine if it works as intended.

Unit testing is an important step in the development process, because if done correctly, it can help detect early flaws in code which may be more difficult to find in later testing stages.

Unit testing is a component of test-driven development (TDD), a pragmatic methodology that takes a meticulous approach to building a product by means of continual testing and revision. This testing method is also the first level of software testing, which is performed before other testing methods such as integration testing. Unit tests are typically isolated to ensure a unit does not rely on any external code or functions. Testing can be done manually but is often automated. It might be helpful

When passing another car, make sure you maintain at least a _______ safety cushion

Answers

The answer is 4 because I just took the test!

Assignment: Explain any three
ways that research can facilitate
the work of building technicians.

Answers

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

They will know the timeframe to start and complete the buildingThey will know the type and right materials to use.It will help them in the area of budgeting of equipment, tools and building materials needed.

What do building technicians do?

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:

They will know the timeframe to start and complete the buildingThey will know the type and right materials to use.It will help them in the area of budgeting of equipment, tools and building materials needed.

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If extension done in a stork position, during backward bending in a standing position of a special test for lumbar spine, produces pain in the lumbar or sacral regions of the spine, it may indicate _____.

Answers

The answer is 7 because I just took the test!

What is the mode of operation of a ramp digital voltimeter​

Answers

Answer:

The operating principle of a ramp type digital voltmeter is to measure the time that a linear ramp voltage takes to change from level of input voltage to zero voltage (or vice versa).

based on the graph shown, for any given output level, the veritcal distance between the avc and the atc curves represents

Answers

A a result of the graph shown, for any given output level, the veritcal distance between the avc and the atc curves represents total fixed cost (TFC).

What is Vertical distance?

This is known as vertical separation and it is said to be the distance that exist between two vertical positions.

Note that vertical coordinates are seen for expressing vertical position: depth, and others and as such,

See full question below

The vertical distance between the ATC and AVC curve represents

a) marginal cost (MC)

b) average fixed cost (AFC)

c) total fixed cost (TFC)

d) total cost (TC) - total variable cost (TVC)

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Technician A says that a voltage drop on the ground side of a bulb won’t affect its brightness because the electricity has already been used up. Technician B says that a voltage drop is one way to determine if there is unwanted resistance in a circuit. Who is correct?

Answers

Answer:

  Technician B

Explanation:

For a given circuit current, the voltage drop is an indication of the resistance in the circuit.

If the voltage drop on the ground side of a bulb is unexpectedly high, it means the circuit resistance is unexpectedly high. Technician B is correct.

An important difference between expressways and freeways is that expressways feature intersections, whereas freeways use: a) interchanges b) medians c) rumble strips d) green guide signs

Answers

An important difference between expressways and freeways is that expressways feature intersections, whereas freeways use a) interchanges.

A light weight vehicle traveling 50 mph can stop in approximately
a. 200 meters.
b. 5 blocks.
c. 200 feet.
d. 6 seconds.

Answers

A light weight vehicle traveling 50 mph can stop in approximately 200 feet.

How a car break works?

The break system of a car is composed by several items that are always working together to slow down and bring a vehicle to a complete stop. It also has the function of keeping the car stationary when it is parked. In general, this system has two manual activation modes: the lever and the pedal, with the exception of vehicles adapted for people with disabilities.

Most vehicles today use the disc brake system. Disc brakes work by using pads, which are held inside a hydraulic caliper, receiving pressure to brake. Such pads generate friction on a disc, which makes the vehicle stop permanently.

The drum brake is another type, being older and dependent on the famous linings to cause friction in the wheel and stop the vehicle. A hydraulic cylinder makes the plies move inside the drum, which is a hollow part fastened with screws and attached to the wheels. This type of brake is on the rear wheels, for the most common models.

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The advantage of using a reference line to position a building is that

Answers

Answer:

The reference line helps you achieve the precise connection of Walls for clean intersections.

Explanation:

Reference Lines allow you to place lines on the plot at specific locations to mark important values. You could use these to mark control limits or to indicate a trend line for a set of data.

Which load balancing method is supported in equal cost multipath (ECMP) load balancing when SD-WAN is enabled

Answers

Volume load balancing method is supported in equal cost multipath (ECMP) load balancing when SD-WAN is enabled.

What is load balancing method?

Load balancing means are regarded as a form of an algorithms or method that is used to rightly share an incoming server request or traffic in the midst or among servers that is from the server pool.

Note that Volume load balancing method is supported in equal cost multipath (ECMP) load balancing when SD-WAN is enabled as that is its role.

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A handsfree device may be used if it can be activated or deactivate with a?

Answers

A handsfree device may be used if it can be activated or deactivate with a cellphone.

What is hands-free?

Handsfree is a device which when connected to a cell device can be used in listening to audio, video and messages.

A driver can also activate or deactivate with a swipe when connect to the vehicle audio device.

Therefore,

A handsfree device may be used if it can be activated or deactivate with a cellphone.

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Please helppppsolve the inequality Bud, the main character in the novel, is homeless and goes to a mission for a hot meal. Round the angle measure to the nearest hundredth of a degree Use a trigonometric ratio to solve for y. Round to two decimal places as necessary!! HELP, and can someone explain how to get the answer? A container can hold a maximum of 17.75 pounds. There are two objects in the container. The first object weighs 6.53 pounds and the second object weighs 10.1 pounds. How many more pounds can the container hold? Wrote your answer as a decimal What is called longitude Class 6? Which of the following would be least likely to pass through a plasma membrane without the help of a transport protein A triangle has angle measures 23 and 35. What is the measure of the third angle? 28TotalQUESTION 5Read the interpretation provided below and answer the question whichfollows.During Elizabeth's reign the theatre quickly developed into a popular form of cheapentertainment, attracting large audiences drawn from all social classes. The queenherself was a passionate lover of the theatre an became an important patron. Sheenjoyed the plays of Marlowe and Shakespeare and was present at the first performanceof the latter's play Twelfth Night in 1601.An extract from a website of the Elizabethan Tudor Society, dedicated to promotingthe life of Queen Elizabeth I written in 2011How far do you agree with this interpretation of the popularity of the theatreElizabethan times? (16 marks)[In your answer you should refer to how and why interpretations of this issuediffer. Use your own knowledge and understanding of the wider historicaldebate over this issue to reach a well-supported judgement.]Marks for spelling, punctuation and the accurate use of grammar and specialistterms are allocated to this question. (3 marks) Cat or Dog?Zebra or Tiger?China or NYC?Sing or Dance?Exercise or Yoga?Gaming or Study?Cooking or Reading? :3 bye hope you have a lovely day! Why is 21 a prime number? What is one of the main reasons writers like Thoreau use parallelism in theirwriting?A. To catch the audience off guardOB. To create strong rhythmsC. To make rhyming easierD. To bring inanimate objects to lifeSUBMIT What are the causes and effects of plastic use on the environment? Which thematic statement is supported by Teiresias character?A) Humans have the ultimate authority.B) Familial loyalty supersedes civil obedience.C) Civil obedience supersedes familial loyalty.D) The gods have the ultimate authority. Use the information from the graph to answer thequestion.Velocity (m/s)45403530252015Velocity vs. Time0 246 8Time (s)1012What is the acceleration of the object?m/s Which is an example of an open poetic form?O A. VillanelleOB. NocturneOC. SestinaOD. Sonnet Which two groups of colonies were industrialized? Middle Colonies Western Colonies Southern Colonies New England Colonies The plasma membrane gets new lipids from:a. The lumen of the ER.b. The lumen of the Golgi apparatus.c. Making new lipids at the plasma membrane.d. The nucleus.e. None of the above. You start with $575 in your bank account and deposit $60 each month. Write a linear or exponential equation When an improved investment property is sold, the tax rate on depreciation that has been previously deducted is generally