a service has a three-phase supply with 14 single-pole circuits and 4 three-pole circuits. the minimum number of poles required is . select one: a. 18 b. 22 c. 26 d. 30

According to the basic principles of Electrical Resistance Welding, Resistance welding is used to fuse two metals together. See further explanation below.

It is to be noted that Electrical Resistance Welding comprises a welding head that exerts pressure and holds the metal between its electrodes, as well as a welding power source that applies electric current to the metal to be welded. When force is exerted, resistance creates friction heat.

A weld is a metal coalescence formed by heating to an appropriate temperature with or without pressure, and with or without the introduction of a filler substance.

Resistance welding bonds are classified into three types:

Different materials having dissimilar grain structures, such as molybdenum to tungsten, are bonded utilizing a relatively short heating time, high weld energy, and high force in a solid state bond, also known as a thermo-compression bond.

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Answer:

Insurance is an example of C. Risk Mitigation.

Explanation:

Insurance is used to manage (or mitigate) risk. Companies and individuals purchase insurance to protect themselves from financial stress. For example, car insurance insures your car up to a certain percentage or value amount if something were to happen to your car while driving.

The factors that do not control stream behavior are none of the above. They are all factors. The correct option is d.

Humans go through various stages of development during their lives, similar to other animal species, and each stage is distinguished by a unique combination of morphological, physiological, and behavioral characteristics.

This phrase provides important information about how to behave when developing work skills. Additionally, the individual's lifestyle, socioeconomic class, and other cultural and environmental factors influence their possible conduct.

Therefore, the correct option is d. none of the above. They are all factors.

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A positive velocity is seen as being in the direction of the aircraft's tail. A pitot tube can be used to directly measure the airspeed on the aircraft.

The ground travels aft at a speed known as the ground speed at a chosen reference point on the airplane. I calculate my ground speed to be 116 m/s using an angular velocity of 0.02328 radians per second. This indicates that the plane is traveling at the same speed. The velocity of an airplane in relation to the air mass it is traveling through is known as airspeed. Simply put, it happens when thrust is hindered by drag. The Airbus A321neo will travel at an average speed of 600 km/h, or 10 km/min, to cover a distance of 1200 kilometers in two hours.

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The statement "the source term will affect all algebraic equations" is definitely true.

Algebraic equations may be defined as the mathematical declaration through which two or more expressions are set with the intention of being equal to each other. It represents a set of variables that undergo algebraic operations.

According to the context of this question, the source term significantly contributes to the measure of the algebraic variables that are generally taken to the right-hand side and then entered into the corresponding row of the force vector.

Therefore, the statement "the source term will affect all algebraic equations" is definitely true.

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Answer:

Airplanes have a small little jet on the back allowing them to get in the air but they have these big engines on the side allowing them to maintain their spot in the air

Explanation:

Answer:

Explanation:

The positive (red) cable should be attached to the positive terminals on each battery. The negative (black) cable should have one end attached to the negative terminal of the dead battery, and one end grounded.

Start by connecting the positive (often red) clamps of the jumper cables to the positive terminals of your battery. These are often marked, but they can be hard to see. Be sure to look closely to ensure that you are connecting to the right portion of the battery.

Rx is the individual resistor across which the output voltage drop is being measured, and VRx is the voltage divider formula for a circuit with many resistors.

The distribution of the input voltage among the divider's parts produces voltage division. Two resistors linked in series with the input voltage applied across them and the output voltage emerging from the connection between them serve as a straightforward example of a voltage divider. The currents flowing through the resistors R1 and R2 are I1 and I2, respectively, while the voltage across each element is VS. At node P, the KCL equation will be. IS=I1+I2. Replace I1=VSR1 and I2=VSR2 in the equation above.

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The creation of a "supersonic heterodyne" radio receiver circuit, later abbreviated to "superheterodyne," was Armstrong's greatest achievement during this time. This circuit, which is still widely used today, increased the sensitivity and selectivity of radio receivers.

When was the radio invented by Edwin Armstrong?

1933

The superheterodyne circuit, which he developed in 1918, is a very selective method of capturing, converting, and significantly amplification relatively weak, high frequency electromagnetic waves. His greatest accomplishment, wide-band frequency modulation, or FM radio, was created in 1933.

Following this achievement, the Patent Office approved de Forest's two patents for the ultra-audion and the regenerative circuit. He subsequently filed a lawsuit against Armstrong for violating his ultra-audion patents. The Pennsylvanian court ruled in de Forest's favor.

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Making sure that all objectives are shared among team members and that all activities benefit the team's final objective means the team is: C. goal-oriented.

A team can be defined as a group of people with common aims, goals, and objectives that are assembled by a project manager or team lead, in order to share, execute and implement a project successfully.

A goal simply refers to an outcome statement and strategic objectives that defines what an individual or a group of people (team) hopes to successfully achieve (accomplish) or reach in the future i.e over a specific period of time.

In conclusion, it is very important and essential for all project team to be ​goal-oriented.

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Assuming complementary inputs are available, the minimum number of transistors needed to realize a two input xor gate is 4.

If two inputs work well together in the production process, they are said to be complements. Since the inputs are used in fixed proportions, if the price of one input lowers, more of it will be sought after, increasing the demand for the other input.

In this study, a model of anticompetitive exclusive contracts with complimentary inputs is built. A downstream company converts a variety of complementary inputs into finished goods. When complementary input providers hold a dominant position in a specific input market, upstream competition price within that market benefits both the downstream firm and the complementary inputs providers by driving up complementary input prices.

Thus, even when entry that is socially optimal is permitted, the downstream firm is unable to generate higher profits. Therefore, even in the absence of scale economies, downstream competition, and relationship-specific investment, the inefficient incumbent provider can prevent socially efficient entrance by employing exclusive contracts.

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If the AC unit fan is not spinning, the first thing to check is the circuit breaker. Take a look at the circuit breaker associated with the AC unit and see if it's been tripped. A circuit breaker may trip from overheating due to outside temperatures and the motor's heat.

Answer:

let me know if this's helpful.

The load required to produce a change in diameter of 10 mm in a cylindrical brass rod is 1.57 N.

A tensile stress of 0.157 MPa is required to produce a change in diameter of 10 mm in a cylindrical brass rod. The deformation is entirely elastic, so the Poisson's ratio for brass is 0.34, and the modulus of elasticity is 97 GPa.

The load required to produce this tensile stress is 1.57 N.

To solve this problem, we can use the following equation:

Stress = (Change in diameter) * (π / (2 * Diameter))

Plugging in the values for the change in diameter, diameter, and Poisson's ratio, we get the following tensile stress:

Stress = (0.001) * (π / (2 * 0.010)) = 0.157 MPa

The load required to produce this tensile stress is then:

Load = Stress * Modulus of Elasticity

Plugging in the values for the tensile stress and modulus of elasticity, we get the following load:

Load = 0.157 MPa * 97 GPa = 1.57 N

Therefore, the load required to produce a change in diameter of 10 mm in a cylindrical brass rod is 1.57 N.

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The transfer function from the given diagram is given as follows:

[tex]\frac{X(s)}{F(s)} = \frac{s + 3}{s + 13 + G(s)}[/tex]

The transfer function of a system is given by the ratio between the output X(s) and the input F(s), as follows:

H(s) = X(s)/F(s)

From the initial subtraction operation, we have that:

F(s) - X(s) = E(s)

In which E(s) is the error of the system.

After the subtraction, the error is measured as follows, considering the perturbation G(s) and the multiplication of the blocks:

E(s) = (10 + G(s))(1/(s + 3))X(s)

Replacing this into the initial function, we have that:

F(s) - X(s) = (10 + G(s))(1/(s + 3))X(s)

Using latex for better visibility of the operations:

[tex]F(s) = X(s) + \frac{10 + G(s)}{s + 3}X(s)[/tex]

Using X(s) as the common term, we have that:

[tex]X(s)\left(1 + \frac{10 + G(s)}{s + 3}\right) = F(s)[/tex]

[tex]X(s)\left(\frac{s + 3 + 10 + G(s)}{s + 3}\right) = F(s)[/tex]

[tex]X(s)\left(\frac{s + 13 + G(s)}{s + 3}\right) = F(s)[/tex]

Hence the transfer function is given as follows:

[tex]\frac{X(s)}{F(s)} = \frac{s + 3}{s + 13 + G(s)}[/tex]

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For surfaces that are perpendicular to one direction, the stress magnitude is greatest, and for surfaces that are parallel to that direction, the stress magnitude is zero.

Stress is the applied force or system of forces that tends to deform a body from the viewpoint of loading. Stress is the internal distribution of forces within a body that balance and respond to the loads given to it from the viewpoint of what is happening inside a material. Stress is a measurement of how a substance reacts to external influences. It is merely a ratio of the material's cross sectional area to the external forces. Stress (S = R/A, where S is the stress) is the ratio of force to area.

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Synergism occurs when the effect of one drug is enhanced by the presence of another drug.

Synergism occurs when the effect of one drug is enhanced by the presence of another drug. It occurs due to the interaction between two or more substances which produces a combined effect.

Answer:described by direction and is either Axial or Diametric

Explanation:

Answer:

Magnetization is the density of magnetic dipole moments that are induced in a magnetic material when it is placed near a magnet.

This response is accompanied by the T-s or H-s graphic.

2. The steam extraction rate is 4.088 kg per second.

3. Steam leaving the boiler has a net power output of 1089.5 KJ/Kg.

4. The boiler's mass flow rate of steam is 16.352Kg/s.

5. The plant generates 11016.2KJ/s of net electricity.

6. 0.218 is the usage factor.

We must ascertain all of the system's thermodynamic coordinates in order to examine the issue. The optimal cogeneration steam plant technology can be seen in the second image that is attached to this response.

We may get the details for each point from a chart of the thermodynamic characteristics of water.

+ Steam from the boiler reaches the turbine at 7 MPa and 500 °C:

h₆=3410.56KJ/Kg

s₆=6.7993 KJ/Kg

As a result, this cogeneration steam system is suitable. s₆=s₇=s₈

At 600 kPa, one-fourth of the steam is removed from the turbine:

2773.74 KJ/Kg = h7(s7) (overheated steam)

+The remaining steam expands further and exhausts to the condenser at a pressure of 10 kPa.

(This is wet steam with title X=0.8198; h8(s8)=2153.58 KJ/Kg.)

s1=0.64925KJ/Kg and h1(P=10Kpa)=191.83 KJ/Kg (condensed water).

Pumping this flow to 600KPa results in:

s₂=s₁

h₂(s₂)=192.585KJ/Kg

+The heater condenses the steam that was taken for the process heater.

h₃(P=600KPa)=670.42KJ/Kg (condensed water) (condensed water).

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Answer:

take gdrumnjjhtffnhfvhih

Explanation:

you have to do just opposite. is that clear?

Answer:

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Explanation:

What is this...

One of the well-known traditional approaches for solving integral equations is the successive approximations method (SAM).

In the literature, it is sometimes referred to as the Picard iteration approach. In fact, this approach offers a strategy for resolving initial value issues or integral equations. With each incremental approximation toward the objective behavior of pressing the lever, Skinner would praise the rat for taking a step toward it, standing on its hind legs, and touching it. Using a binary search over all feasible quantization levels before settling on a digital output for each conversion, a successive-approximation ADC transforms a continuous analog signal into a discrete digital representation.

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The water is flowing into the conical vessel at a rate of 6.28 cm³/s

The formula for the volume of the conical vessel can be given as;

V = 1/3π(r²)h

Here h represents height and r represents radius.

As,

15/3.75 = h/r

Cross multiplying;

15r = 3.75h

r = 3.75h/15

So we can get the volume in terms of height as follows;

V = 1/3π(3.75h/15)²(h)

V = 1/3π(14.0625/225)h³

V = 14.0625πh³/675

As we have to find how fast the water is flowing in the conical vessel it can be represented as; dh/dt

Now

dV/dt = dV/dh × dh/dt

dv /dt = d/dt [14.0625πh³/675] = 14.0625π/675 (3h²) dh/dt

Substituting the values;

2 = 14.0625π/675 (3)(4²) dh/dt

2 = 3.14 dh/dt

dh/dt = 6.28 cm³/s

Hence, the water is flowing into the conical vessel at a rate of 6.28 cm³/s

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The statement about the source term affecting all algebraic equations is; False

In the finite-element method of Analysis, we usually go from differential equations to a set of algebraic equations. Now, it is pertinent to note that each algebraic equation will tend to relate a nodal value with all other nodal values.

The assumed polynomial variation that will exist within each element is usually the basis for which we derive the algebraic equations. Thus, to derive the algebraic equations, we will have to assume a polynomial variation for the parameter values within each element.

The above can be done through interpolation of nodal parameter values in the post-processing stage. This is because the assumed polynomial variation within each element that is used for deriving the algebraic equations is also used for post-processing.

Finally, for each algebraic equation, the source term will tend to contribute to the coefficient that is taken to the right hand side of it and then entered into the corresponding row of the {f} vector.

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Complete Question is;

Select true or false.

The source term will affect all algebraic equations.

A.) True

B.) False

The negative impact of cellular base station on physical environment is that the environment may be prone to noise pollution and radiation which can lead to harmful substance been release to the environment and such leading to health issues such as cancer, lungs damages, etc.

A base station is a stationary transceiver used in telecommunications that serves as the primary hub for one or more wireless mobile client devices. A base station acts as the primary point of connectivity for wireless devices.

Note that a base station is a device that uses radio frequencies to transfer a wireless signal to a smaller handheld device (such as via a telephone line or the Internet). Cordless telephones have a base station and a handset that communicate via radio waves.

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Two technicians are discussing the indirect tire-pressure monitoring system. Technician A says that it was used by some vehicle manufacturers. technician b says that it uses the speeds of the rf and lr tires and compares the rotating speeds of the tires to detect a low tire. It is important to note that BOTH technicians are correct.

The systems that do not include air pressure sensors within the tires are known as indirect tire pressure monitoring systems (TPMS). Instead, they recognize a low tire by evaluating relative wheel revolutions via the ABS wheel speed sensors.

The driver must calibrate the system by hitting a reset button on the dashboard or through the electronic controller, and if this is done when any tire is underinflated, the system will not report appropriately.

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A series of values that represent distinct points in time make up a discrete-time signal. The corresponding signal values are the signal samples, and the time instants at which the signal is defined are the signal sample times.

Time is a discrete variable. An illustration of a discrete-time signal is the weekly Dow Jones stock market index. We use the symbols t to denote the continuous variable and n to denote the discrete-time variable to distinguish between continuous-time and discrete-time signals. Systems that process discrete-time signals, or sequences of signal values that are typically produced as equidistant samples of continuous-time waveforms along the time axis, are known as discrete-time systems. Discrete-time models are straightforward to comprehend, create, and simulate.

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One similarity between the scientific method and the engineering design process is that "They are both iterative processes that begin with a problem."

The engineering design process is a set of processes that engineers use to solve an issue. Problem-solving techniques such as establishing your objectives and limitations, prototyping, testing, and assessment are among the phases.

It always serves a clear and well-defined goal. Experiments may be conducted to better understand the problem (or a potential solution), but the purpose of engineering design is always to solve a problem.

The engineering design approach enables students to learn from failure and stresses open-ended problem solutions. This technique develops students' capacity to devise creative answers to problems in any discipline.

The process involves:

The scientific method is an empirical way of collecting information that has been used in science since at least the 17th century. It entails thorough observation and applying severe skepticism to what is observed, given that cognitive preconceptions might alter how the observation is interpreted.

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let, A be the are of cross section of the electrodes.

The capacitance is C.

Let E represent the electric field between the electrodes.

Be the charge per square meter (sigma).

∉ be the permittivity of open space

and considering the fact that

Insulator's dielectric constant is K.

Between the electrodes is slid d/2.

between the electrodes is now an electric field.

E = sigma + sigma + sigma

E = sigma / ——1

we are aware,

E = V /(d/2)

V = E d/2

V=sigma /*d/2 ( from equation 1)

V = d/2 sigma ———2

once more, we are aware

C = Q/V

Sigma A/(sigma d/2) = C Using Q = sigma A and equation 2,

C = 2∉A/d

has a K-valued dielectric constant.

C = 2K∉A/d

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