_____________ architecture utilizes processes of designing, construction, operation, maintenance, and removal that have been carefully planned to have the smallest footprint. a. Conventional c. Environmental b. Standard d. Green

Answer:

The electric ceiling fan was invented in 1882 by engineer and inventor, Philip Diehl. He had earlier invented an electric sewing machine and adapted the motor from this invention to create the ceiling fan. He called his invention the “Diehl Electric Fan” and it was such a success that he soon had many other people competing with him.

Explanation:

Technician a says kinetic friction changes kinetic energy into thermal energy. technician b says static friction holds the car in place when it is stopped. Both A and B are correct.

In static friction, there is found to be some frictional force that tends to resists force that is known to be applied to an object, and the object will be at the same sport at rest until the force of static friction is known to be overcome.

In kinetic friction, the frictional force is one that tend to resists the movement of an object.

Therefore, Technician a says kinetic friction changes kinetic energy into thermal energy and technician b says static friction holds the car in place when it is stopped. Both A and B are correct.

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Explanation:

is an example of an electrical device.

Cable

To obtain a parallel realization for the given transfer function H(z), we need to factorize the denominator and rewrite the transfer function in a parallel form.

Given:

H(z) = (-11z - 16) / [(\(z^{2}\) + z + 12)(\(z^{2}\) - 4z + 3)]

First, let's factorize the denominators:

\(z^{2}\) + z + 12 = (z + 3)(z + 4)

\(z^{2}\) - 4z + 3 = (z - 1)(z - 3)

Now, we can write the transfer function in the parallel form:

H(z) = A(z) / B(z) + C(z) / D(z)

A(z) = -11z - 16

B(z) = (z + 3)(z + 4)

C(z) = 1

D(z) = (z - 1)(z - 3)

The parallel realization of H(z) is:

H(z) = (-11z - 16) / [(z + 3)(z + 4)] + 1 / [(z - 1)(z - 3)]

To implement this parallel realization, you can consider each term as a separate subsystem or block in your system. The block corresponding to (-11z - 16) / [(z + 3)(z + 4)] would handle that part of the transfer function, and the block corresponding to 1 / [(z - 1)(z - 3)] would handle the other part.

Please note that the specific implementation details would depend on your system and the desired implementation platform (e.g., digital signal processor, software implementation, etc.). The parallel realization provides a structure for organizing and implementing the transfer function in a modular manner.

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AASHTO assumes a deceleration value in calculating stopping sight distance (SSD) of B. 11.2 ft/s^2. This doesn't take any road defects into account.

Answer:

shear strength = 2682.31 Ib/ft^2

Explanation:

major principal stress = 100 Ib / in2

minor principal stress = 20 Ib/in2

Normal stress = 3000 Ib/ft2

Determine the shear strength when direct shear test is performed

To resolve this we will apply the coulomb failure criteria relationship between major and minor principal stress a

for direct shear test

use Mohr Coulomb criteria relation between normal stress and shear stress

Shear strength when normal strength is 3000 Ib/ft  = 2682.31 Ib/ft^2

attached below is the detailed solution

Answer:

genorator- electrical to mechanical

motor- mechanical to electrical

Power prestige is a type of position power.

Power prestige is a type of position power. Position power refers to the authority and influences a person has in an organization due to their position or rank. Prestige power specifically stems from the respect and admiration others have for someone's status or accomplishments.

There are other types of position power, such as information power (having access to valuable knowledge), referent power (based on a person's likability and the desire of others to be associated with them), and expert power (derived from a person's unique skills or expertise). However, none of these terms fit the blank in your statement as accurately as prestige power.

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Neither technician Technician or  B is correct in the statement above.

Vibration is a factor that is said to be caused by one or more other factors that occur together at any given time.

This can be due to actors such as imbalance, misalignment, wear and looseness and others. An imbalance  occurs due to  a "heavy spot" that is found inside a rotating component and it will lead to vibration when the unbalanced weight is said to rotates in circles round the machine's axis.

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Answer:

some of the professions and human resource related to engineering are:

Aerospace engineering involves the study, design and development of spacecrafts using Core science principles.

Electrical engineering involves the study and application of core science principles especially physics and mathematics into providing Electrical related solutions

Explanation:

Engineering is a major branch of applied science. In general Engineering is concerned with the design and building of engines ( i.e. application of scientific/science facts   )

some of the professions and human resource related to engineering are:

Aerospace engineering involves the study, design and development of spacecrafts using Core science principles.

Electrical engineering involves the study and application of core science principles especially physics and mathematics into providing Electrical related solutions

A) The frequency of v is 500 Hz (to three significant figures). B) The correct expression for v is: v = 93.4 * sin(167πt + 30.0°) V

A) To determine the frequency of the sinusoidal voltage, we need to find the time period between two consecutive zero crossings. Given that the voltage is zero at t = -2 ms and next zero at t ms, the time period (T) can be calculated as:

T = (t - (-2 ms)) = t + 2 ms

Since the voltage is periodic, the time period is the reciprocal of the frequency (f), so we can express the frequency as:

f = 1 / T = 1 / (t + 2 ms)

To express the answer in hertz (Hz) to three significant figures, we can substitute the given value of t into the equation.

Answer: The frequency of v is 500 Hz (to three significant figures).

B) The expression for v can be determined by analyzing the given information. We know that the voltage is 80.9 V at t = 0 and that it is a sinusoidal waveform. We can express it in the form:

v = A * sin(ωt + φ)

where A is the amplitude, ω is the angular frequency, t is time, and φ is the phase angle.

Since the voltage is going positive at t = -2 ms, we can deduce that the phase angle is positive. Moreover, the phase angle determines whether the waveform is a sine or cosine function. If the waveform is zero at t = -2 ms and going positive, the expression should be a sine function.

Therefore, the correct expression for v is: v = 93.4 * sin(167πt + 30.0°) V

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The parts of a microscope that regulate the amount of light include the diaphragm and the iris.

The diaphragm is a disc-like structure placed at the bottom of the stage of a microscope. It is used to control the amount of light that passes through the specimen. It has a small, circular hole in the center that can be increased or decreased by moving the lever.

By using the diaphragm, the amount of light entering the microscope can be controlled to produce the best image possible for the user.

The iris diaphragm is a newer technology used to regulate the amount of light entering a microscope. It is a circular structure located near the base of the microscope. The iris diaphragm is designed to adjust the size of the light beam entering the microscope by changing the diameter of the hole in the center.

It provides greater control over the amount of light entering the microscope, enabling users to produce high-quality images.

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The heat treating process being performed when a low carbon steel is heated to a temperature below the lower transformation temperature before cooling in an effort to soften it slightly is known as annealing.

Annealing is a heat treatment process that involves heating a metal to a specific temperature and holding it there for a certain amount of time before allowing it to cool down slowly. The purpose of annealing is to make a metal softer, more ductile, and more machinable. It also improves its toughness and makes it easier to form.Annealing can be done in several different ways, including full annealing, stress relief annealing, and spheroidizing annealing.

Full annealing involves heating the metal to a temperature above its upper critical temperature, holding it there for a period of time, and then allowing it to cool down slowly. Stress relief annealing involves heating the metal to a lower temperature and holding it there for a shorter period of time, while spheroidizing annealing is used to improve the machinability of high-carbon steels.

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When an electric current flows through a wire with resistance, energy is liberated as heat.

Thus, when a current flows through the resistor, the electrical energy is converted into heat energy. Hence the heat that is generated in the components of the circuit possesses some resistance and is dissipated into the air around the components.

Resistance in a wire causes a hindrance to the flow of electrons, which results in the conversion of electrical energy into thermal energy. This thermal energy is then dissipated into the surrounding environment, which can be felt as heat.

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Answer:  0.765 m kg / s

Explanation:

Momentum = (mass) x (speed)

Sodium hydroxide, NaOH, is a very useful compound in the chemical industry. Sodium hydroxide is used to make soap, detergent, paper, and many other products. It is also used to clean drains, dissolve grease, and other materials.

For commercial convenience, one form of sodium hydroxide that is sold commercially is the saturated solution. This solution is M, which is approximately by mass sodium hydroxide.

To prepare L of M solution, we must first find the number of moles of NaOH that will be required.

Then we will find the volume of the saturated solution that is required to make this solution.
To find the number of moles of NaOH that will be required, we will use the formula:

\(N = C x V\)Where, N = number of moles of NaOH, C = concentration of the solution, and V = volume of the solution.

In this case, C = M, which is the concentration of the solution that we want to make. And V = L, which is the volume of the solution that we want to make.

So,

\(N = M x LV = N / MC = 40% = 40 / 100 = 0.4 M\)

Volume of the saturated solution required to prepare the M solution:

\(V = N / MV = 4.69 L\)

We will require approximately \(4.69 L\)of the saturated solution to prepare L of M solution.

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Answer:

STICK SKILL DRILL...

Explanation:

The skill drill uses a Whip and Pause technique.The reason for whip and pause is that 6010 electrodes are fast freezing electrodes and the momentary whips allow the puddle to solidify a bit ..Length of Art..Too long an arc causes problems so try to keep the arc equal to or shorter than diameter of electrode.

Aluminum alloy and bronze piston have a friction coefficient of about 0.12.

Between two things in contact, friction exerts its force. It is the amount of force that one surface or object must overcome in order to move across another. The two surfaces that are in touch are defective and uneven on a microscopic level, which causes friction.

This indicates that the static coefficient of friction between the two materials will be 0.12 at 24°C (room temperature). The dynamic coefficient of friction between the two materials will therefore be 0.18. For the purpose of estimating the force necessary to move the piston, the dynamic coefficient of friction will be used.

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Aluminum alloy and bronze piston have a friction coefficient of about 0.12.

Between two things in contact, friction exerts its force. It is the amount of force that one surface or object must overcome in order to move across another. The two surfaces that are in touch are defective and uneven on a microscopic level, which causes friction.

This indicates that the static coefficient of friction between the two materials will be 0.12 at 24°C (room temperature). The dynamic coefficient of friction between the two materials will therefore be 0.18. For the purpose of estimating the force necessary to move the piston, the dynamic coefficient of friction will be used.

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The Statement: An Android theme can be specified on an activity-by-activity basis is False

It is false to claim that an Android theme can be specified individually for each activity. In Android, themes are typically applied at the application level or for specific components such as the entire application, a group of activities, or certain UI elements.

Once a theme is set for a particular scope, it remains consistent throughout that scope, and it cannot be customized on an activity-by-activity basis. However, it is possible to customize the appearance of individual activities by using styles or modifying specific attributes within the activity's layout file, which allows for visual variations within the constraints of the overall theme.

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Answer:

Used to recall the direction a standard screw

Answer:a

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The steel-frame structural support was a main feature in the development of t the floors, roof, walls and  skyscraper.

Steel frame is known to be a form of a building method that is used along with a skeleton frame that is made up of steel columns and  I-beams.

Conclusively, This is often used  in the construction of grid to aid the floors, roof and walls of any kind of building. It is also used in the construction of skyscraper.

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Alternative deep foundation: helical piles. Installed with torque, ideal for limited access sites, vibration-free. Resist lateral forces.

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Answer:

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Explanation:

jxjsisjdjxjcjdkdkjdksoskskdks

Answer:

  4

Explanation:

Two conductors form a loop for each part of the circuit, so if there is an open, the parts attached to the circuit will be fed from either end of the loop.

Four wires are required at the controller interface, and each device has 4 wires attached.

Answer:

F=200kN

Explanation:

b. it is fast and easy to install.

WiMAX is a wireless communication standard that provides high-speed broadband connections over long distances.

One of the advantages of WiMAX is that it can be deployed quickly and easily, especially in areas where wired infrastructure is not readily available.

WiMAX can also provide cost savings for service providers, as it can cover large areas with fewer base stations compared to traditional cellular networks.

However, WiMAX technology is affected by weather conditions such as rain, and its performance may degrade in such conditions. WiMAX also requires more power than some other wireless technologies, which may limit its use in certain environments.

Overall, the fast and easy installation of WiMAX makes it a suitable option for providing broadband access in remote areas or in situations where wired infrastructure is not feasible.

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