a. Using mathematical analysis, derive NBFM and WBFM expression from the general expression of FM signal, show the spectral diagram and evaluate the bandwidth of transmission. b. Explain the direct method of generation of FM signal with neat circuit diagram and mathematical analysis. Compare such method with indirect method in terms of cost, complexity and stability.

TRUE, additional overcurrent protection is utilized for equipment's internal circuits and parts, as well as for luminaires, appliances, and other types of equipment.

It shall be permitted to function as a substitute for needed branch-circuit overcurrent devices or in place of the required branch-circuit protection. When supplemental overcurrent protection is applied for internal circuits and equipment parts, it must not be used in place of the essential branch-circuit protection or as a replacement for needed branch-circuit overcurrent devices on luminaires, appliances, and other equipment. Additional overcurrent protection devices are not required. Each ungrounded conductor needs to have a series-connected fuse, overcurrent trip device, or circuit breaker. A current transformer and an overcurrent relay together make up an overcurrent trip device.

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The minimum pressure at which the water-supplying pump must operate is approximately 2.45 x 10⁶ Pa or 2450 bar.

To calculate the minimum pressure at which the water-supplying pump must operate, we need to use the formula for the volumetric flow rate of a fluid:

Q = A * v

where,

Q =the flow rate

A = the cross-sectional area of the hole

v = the velocity of the fluid.

We can use this formula to determine the velocity of the water, and then use the Bernoulli equation to determine the minimum pressure.

From the question:

ṁ=0.05 kg/s

ρ= 996 kg/m

d= 0.02 cm

Calculating the area of the hole:

A = (π/4) * (d²)

where,

d is the diameter of the hole, and pi is approximately 3.14.

d = 0.02 cm = 0.0002 m

A = (3.14/4) * (0.0002 m)² = 1.57 x 10⁻⁷ m²

Using the mass flow rate to calculate the velocity of water:

Q = ṁ / ρ

where,

Q = the volumetric flow rate

ṁ = the mass flow rate

ρ = the density of water.

Q = (0.05 kg/s) / (996 kg/m³)

Q = 5 x 10⁻⁵ m³/s

Using the area of the hole to find the velocity of water

v = Q / A

v = (5 x 10⁻⁵ m³/s) / (1.57 x 10⁻⁷m²)

v = 318.8 m/s

Using the Bernoulli equation to find the pressure:

P = Patm + (1/2) * ρ * v²

where,

P = the pressure

Patm = the atmospheric pressure

ρ =the density of water

v = the velocity of the water.

P = Patm + (1/2) * (996 kg/m³) * (318.8 m/s)²

Hence, the minimum pressure at which the water-supplying pump must operate is approximately 2.45 x 10⁶ Pa or 2450 bar.

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Answer:

i don't know

Explanation:

The benefit for companies with strong safety programs

OSHA Standards are known to be regulations that tells the ways that employers must need to protect their employees from any kind of hazards in the workplace.

Note that The benefit for companies with strong safety programs

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Answer:

This article deals with weight formula and its derivation. Weight refers to the force which acts on a body or object due to the effect of gravity. So, when an individual stands on a scale, the reading that appears is the weight. The more an individual weighs consequently means a higher reading on the scale. When an individual loses weight, he should think of it as lessening one’s force on the Earth due to gravity.

weight formula

What is Weight?

Simply speaking, weight refers to the force of gravity. Weight is certainly a force that acts on all bodies or objects at all times near a heavenly body such as the Earth. The Earth pulls all objects downward towards the center with a force of gravity. One can find the magnitude of the force of gravity by multiplying the magnitude of the acceleration due to gravity by the mass of the particular object.

Some books describe weight as a scalar quantity, the magnitude of the gravitational force. In contrast, some books refer to weight as a vector quantity, the gravitational force which acts on the object. Moreover, some experts explain weight as referring to the magnitude of the reaction force which is exerted on a body by various mechanisms. Also, these mechanisms keep the body in place.

The unit of measurement for weight is certainly that of force. This unit in the International System of Unit (SI) is the newton. The object with a mass of 1 kilogram would weigh about 9.8 Newtons on the Earth’s surface. Furthermore, it would weigh about one-sixth as much on the moon.

Weight Formula

The weight of an object or body certainly depends on the mass of the object and the gravity acting on it. This is why, the weight is different from mass. The mass of an object would be same whether on the Earth or on the Moon. The weight of an object due to the influence of gravity would be different on the Earth than on the Moon. The weight formula can be explained as follows:

Weight = mass × gravity

The formula for this is:

w = mg

Here we have,

w = weight

m = mass

g = gravity

Explanation:

All of these are a common characteristic of seam sealers EXCEPT that they are flexible. Thus, option D is correct.

Resistance is a physical characteristic that quantifies how strongly a substance resists the passage of an electric current through it123. It varies on the material's nature, composition, size, and temperature 134.

Resistance is computed by dividing the current passing through a material by the potential difference across it5. The Greek letter omega ()45 serves as a representation of the ohm, the SI unit of resistance. As a scalar quantity, resistance.

Progressive collapse resistance in structures has long been a hot topic in current study because it would prevent terrible effects and enormous losses from the progressive collapse of the structure brought on by partial failure of the structure.

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Explanation:

Remember, to say a product is incorporated with aesthetic design implies that its overall appearance is designed to look beautiful to the eyes of the user/buyer. For example, a clothing company whose target market is mainly focused on women's clothing would need to take into consideration that certain colors like pink, blue, etc are attractive to women more than men. So they'll have to ensure the colors of their clothing are suitable to the needs of their target market.

The Universal Design process involves building products that can be used by a wide range of users at ease. For example, you may ask yourself: Is my product/service easily accesible to those with disabilities?

Other processes include;

Answer:

B- Fluorinated gas

Explanation:

Answer:

B.) fluorinated gas

Explanation:

Answer:

- the mass flow rate of air is 7.53 kg/s

- the exit area is 0.108 m²

Explanation:

Given the data in the question;

lets take a look at the steady state energy equation;

m" = W"\(_{cv\) / [ (h₁ - h₂ ) -\(\frac{V_2^2}{2}\) ]

Now at;

T₁ = 900K, h₁ = 932.93 k³/kg

T₂ = 500 K, h₂ = 503.02 k³/kg

so we substitute, in our given values

m" = [ 3200 kW × \(\frac{1\frac{k^3}{s} }{1kW}\) ] / [ (932.93 - 503.02  )k³/kg  -\(\frac{100^2\frac{m^2}{s^2} }{2}\)|\(\frac{ln}{kg\frac{m}{s^2} }\)||\(\frac{1kJ}{10^3N-m}\)| ]

m" = 7.53 kg/s

Therefore, the mass flow rate of air is 7.53 kg/s

now, Exit area A₂ = v₂m" / V₂

we know that; pv = RT

so

A₂ = RT₂m" / P₂V₂

so we substitute

A₂ = {[ \((\frac{8.314}{28.97}\frac{k^3}{kg.K})\)×\(500 K\)×\((7.54 kg/s)\) ] / [(1 bar)(100 m/s )]} |\(\frac{1 bar}{10N/m^2}\)||\(10^3N.m/1k^3\)

A₂ = 0.108 m²

Therefore, the exit area is 0.108 m²

Answer:

Along the zero to measure an object on a ruler

To maintain your vehicle properly, you should always conduct regular inspections and follow a preventative maintenance schedule. This includes checking vital components, such as tires, brakes, engine oil, coolant, and transmission fluid, as well as ensuring the proper functioning of your vehicle's electrical system.

Regular tire inspections can help detect uneven wear or damage, ensuring optimal performance and safety. Always check your tire pressure and rotate your tires as recommended by the manufacturer. Brakes are essential for safe driving, so it is crucial to monitor brake pads and fluid levels to avoid any unexpected issues.

Changing your engine oil and filter according to the manufacturer's guidelines is critical for the longevity of your vehicle's engine. This process helps remove contaminants and ensures that your engine runs efficiently. Similarly, keeping an eye on coolant and transmission fluid levels will help prevent overheating and ensure smooth gear shifting.

Your vehicle's electrical system is responsible for essential functions like starting the engine and powering accessories. Regularly checking the battery, alternator, and starter can help identify issues before they become major problems. Also, don't forget to inspect your vehicle's lights and replace any burnt-out bulbs.

In conclusion, adopting a consistent vehicle maintenance routine is essential for ensuring optimal performance, safety, and longevity of your car. By regularly inspecting tires, brakes, fluids, and the electrical system, you can avoid unexpected issues and costly repairs while enjoying a smooth, reliable driving experience.

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The EER is a metric for how effectively an air conditioning system can cool a space per unit of power used. It is computed by dividing the amount of cooling capacity an AC delivers per hour by the watts of electricity used.

To determine an air conditioner's EER, measurements taken on the warmest day of the year are often used. EER, in its simplest form, aims to provide consumers with a sense of the cooling power they may anticipate from an AC for every dollar spent on electricity.

Ratio of Seasonal Energy Efficiency (SEER)

SEER provides the average efficiency for the entire season, making it a more dependable efficiency rating for air conditioners than EER, which only assesses the energy efficiency of the AC on the hottest day of the season. It is calculated by dividing the AC's output power (measured in BTUs) over the course of a season by the total energy the machine used during that same period.

Developed by the EPA, this efficiency rating is well-known. The performance and energy efficiency of HVAC systems with the Energy Star rating are often tested to see if they can provide consumers with excellent value while helping to reduce national energy consumption. Although some gadgets cost a little bit more than their less efficient equivalents, the price difference can easily be made up for in energy savings over time.

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Answer:

b. American Society of Mechanical Engineers

Explanation:

The "American Society of Mechanical Engineers" (ASME) is an organization that ensures the development of engineering fields. It is an accreditation organization that ensures parties will comply to the ASME Boiler and Pressure Vessel Code or BPVC.

The BPVC is a standard being followed by ASME in order to regulate the different pressure vessels and valves. Such standard prevents boiler explosion incidents.

Answer:

Explanation:

In this geometry, the force in each string is proportional to the cosine of the angle the opposite string makes with the horizontal, and is inversely proportional to the sine of the sum of the angles.

  AC = (15 N)cos(45°)/sin(60° +45°) = (15 N)cos(45°)/sin(105°) ≈ 10.98 N

  BC = (15 N)cos(60°)/sin(105°) ≈ 7.76 N

_____

The relation described above derives from the fact that the sum of vertical forces and the sum of horizontal forces are both zero when the system is in equilibrium.

Answer:

7 dB

Explanation:

Answer:

The fundamental difference between effective and less effective matrix organizations is whether the tension between different perspectives is creative or destructive. While various processes, systems and tools can help, what matters most is what top leadership says and does and how that flows through the organization in shared targets, clear accountabilities, live team interactions and team-building transparency and behaviors.

Getting matrix management right is linked inextricably to an organization’s culture - the only sustainable competitive advantage. Key components of a culture can be grouped into behaviors, relationships, attitudes, values and the environment.

Environment and values: Each organization has its own environment, context and bedrock values. Everyone needs to know what matters and why. Don’t try to do anything else until you’ve got that set.

Attitude is about choices: An organization’s overall strategy drives choices about which of its parts will be best in class (superior), world class (parity), strong (above average), or simplified/outsourced to be good enough. These choices help determine the need for a matrix and how best to design it.

Relationships and behaviors: This is why organizations have matrices. The most effective of them best balance focus and collaboration. They allow leaders and teams to build differential strengths and then work together to make the best possible decisions and scale enterprises with a creative tension that they could not do on their own.

My colleague Joe Durrett has worked all sides of matrix organizations in marketing at Procter & Gamble, sales and general management at Kraft General Foods and CEO of Information Resources, Broderbund Software and Advo. He has seen matrices at their best and at their worst and offered his perspective for this article along with his partners John Lawler and Linda Hlavac. The 12 ways to make matrix organizations more effective were built on their ideas.

Explanation:

When electric power is transferred over a long distance then, line loss can be reduced by high voltage and low current. Thus, option A is correct.

The complete question is attached to the image below.

The electric circuit transfers the electric current then it is called electric power. The loss in the line over a larger distance is reduced by transferring AC instead of DC voltage.

The AC transmitted is of high voltage, and the power is low. The equation for current is given,

P = VI

The increase in the voltage causes the decrease in the current and in turn the resistance also reduces resulting in the loss of the power of the circuit to decrease.

Therefore, the loss is reduced by transferring high voltage and, low current AC.

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Answer:

Forces like wind and water break down rocks through the processes of weathering and erosion. ... Forces like wind and water move the rock pieces. They mix with matter like sand to become sediment. Weathering and erosion help shape Earth's surface.

Answer:

As an agent of erosion, the wind will quickly break the rock into different rock types.

Explanation:

The option "Cosmetically appealing" is not an advantage of a CIC (Completely-in-Canal) hearing aid.

A CIC hearing aid is a small, discreet device that fits completely inside the ear canal. It offers several advantages, such as the elimination of wind noise, improved sound localization, and low maintenance for cleaning and changing batteries. However, one advantage it does not provide is being cosmetically appealing.

While CIC hearing aids are designed to be inconspicuous and blend with the natural appearance of the ear, they may not be considered cosmetically appealing by everyone. Some individuals may prefer other types of hearing aids that are less visible or have different aesthetic features. It's important to note that the perception of cosmetically appealing can vary from person to person, and it ultimately depends on individual preferences and priorities when choosing a hearing aid.

In summary, while CIC hearing aids offer advantages such as wind noise elimination, improved sound localization, and low maintenance, their cosmetic appeal may not be a universally agreed-upon advantage.

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Answer:

its c

Explanation:

The standard of workplace housekeeping refers to the level of cleanliness, organization, and maintenance maintained within a work environment. It encompasses the practices and procedures implemented to ensure a safe, efficient, and productive workplace. Adhering to high standards of workplace housekeeping is crucial for several reasons.

Firstly, a clean and well-organized workplace promotes safety by reducing hazards such as tripping, slipping, or falling. It minimizes the risk of accidents, injuries, and the potential for occupational health issues.

Secondly, a tidy and clutter-free environment enhances productivity and efficiency. Employees can locate tools, equipment, and materials easily, reducing time wasted on searching for items. It also contributes to better workflow and smoother operations.

Moreover, maintaining a high standard of workplace housekeeping creates a positive image for the organization. It reflects professionalism, attention to detail, and a commitment to quality. It can also boost employee morale, as a clean and organized workspace fosters a sense of pride and satisfaction.

To meet these standards, regular cleaning, waste management, proper storage, and the implementation of housekeeping protocols are essential. Employees should be trained on housekeeping practices and encouraged to maintain cleanliness and organization in their respective areas.

In conclusion, upholding a high standard of workplace housekeeping is vital for safety, productivity, and the overall image of the organization. It contributes to a conducive work environment that promotes employee well-being and efficiency.

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if a pilot-operated check valve (POC) does not check flow, you will see The symptoms and symptoms of a failing swing test valve are regularly audible.

When the pilot valve reaches set strain it opens and releases the strain from the dome. The piston is then unfastened to open and the principle valve exhausts the machine fluid. The manage pilot opens both to the principle valve exhaust pipe or to the atmosphere.

Pilot operated test valves paintings through permitting unfastened go with the drift from the inlet port thru the opening port. Supplying a pilot strain to the pilot port permits go with the drift withinside the contrary direction. Air strain on the pinnacle of the poppet meeting opens the seal permitting air to go with the drift freely.

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Where the above condition is given, here's the solution:

#include <iostream>

#include <vector>

#include <string>

using namespace std;

int main() {

int numElements, sumQuantity = 0;

string colorAsked;

unsigned int i;

cin >> numElements;

vector<string> colorList(numElements);

vector<int> quantityList(numElements);

for (i = 0; i < colorList.size(); ++i) {

   cin >> colorList.at(i);

   cin >> quantityList.at(i);

}

cin >> colorAsked;

for (i = 0; i < colorList.size(); ++i) {

   if (colorList.at(i) == colorAsked) {

       cout << "Index " << i << endl;

       sumQuantity += quantityList.at(i);

   }

}

cout << "Total: " << sumQuantity << endl;

return 0;

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Critical path method (CPM) is a project execution technique of adjusting the use of resource based on resource availability and the amount of float on activities to accomplish work as soon as possible, given the limited resource availability.

CPM is a project management technique that involves identifying the tasks that are critical to the successful completion of a project, and then managing and adjusting the use of resources to ensure that these critical tasks are completed on time, given the availability of resources and the amount of float (i.e., extra time) available on each activity. This helps to ensure that the project is completed as soon as possible, given the constraints of resource availability and other factors.

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The pump work = v3.dP = 57.18 x 0.001 x ( 4000 - 20) =227.57 KW

here At T1 = 700 C and P1 = 4 Mpa, from steam tabel : h1 =3906.41 KJ/Kg and s1 = 7.62 KJ/Kg.K

now s1 = s2 = 7.62 KJ/Kg.K as 1-2 is isentropic

so at P2 = 20 Kpa and s2 = 7.62 KJ/Kg.K , fom steam table : h2 = 2513.33 KJ/Kg

a) power produced by turbine = m.( h1 - h2) = 57.18 x ( 3906.41 - 2513.33) = 79656.15 KW

b) at P3 = 20 Kpa, 3 = vf = 0.001 m^3/kg

so pump work = v3.dP = 57.18 x 0.001 x ( 4000 - 20) =227.57 KW

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Answer:

hi there

Explanation:

In this scenario, a pipeline made of carbon steel failed after three years of operation due to corrosion. The wall thickness of the pipeline had reduced to about half of its original value. The pipeline was constructed of nominal 100 mm (4 in) schedule 40 pipe, with an inside diameter of 102.3 mm (4.026 in) and an outside diameter of 114.3 mm (4.5 in).

To estimate the rate of corrosion in IPY (inches per year) and mm per year, we need to use the following formula:

Rate of Corrosion = (Original Thickness - Remaining Thickness) / (Operation Time x Corrosion Allowance)

The original thickness of the pipeline can be calculated as:

Original Thickness = (Outside Diameter - 2 x Corrosion Allowance)

We know that the outside diameter of the pipeline is 114.3 mm (4.5 in) and the schedule 40 pipe has a corrosion allowance of 3.05 mm (0.12 in). Therefore, the original thickness can be calculated as:

Original Thickness = (114.3 mm - 2 x 3.05 mm) = 108.2 mm (4.26 in)

Now we can use the formula to estimate the rate of corrosion in IPY and mm per year:

Rate of Corrosion in IPY = (Original Thickness - Remaining Thickness) / (Operation Time x Corrosion Allowance)
Rate of Corrosion in IPY = (108.2 mm - 0.5 x 108.2 mm) / (3 years x 0.12 in)
Rate of Corrosion in IPY = 49.6 IPY

Rate of Corrosion in mm per year = (Original Thickness - Remaining Thickness) / (Operation Time x Corrosion Allowance)
Rate of Corrosion in mm per year = (108.2 mm - 0.5 x 108.2 mm) / (3 years x 3.05 mm)
Rate of Corrosion in mm per year = 4.8 mm/year

The rate of corrosion in IPY is estimated to be 49.6 IPY, and in mm per year, it is estimated to be 4.8 mm/year. These calculations help us to understand the rate at which the pipeline deteriorated due to corrosion, which can be used to prevent future failures and ensure the safety and longevity of similar pipelines.

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