It is right that to determine the real power capability of an electrical service you must take into account, phase, voltage and wattage.
Generators operators often control the voltage on the North American bulk system, and they are frequently given voltage schedules by transmission system operators. In the past, variable generation plants were seen as being extremely small in comparison to traditional producing units.
They were typically either induction generators (wind) or line-commutated inverters (PV), both of which lack the ability to naturally regulate voltage. Synchronous generators provided practically all of the bulk system voltage control.
However, the need for renewable production to contribute increasingly significantly to power system voltage and reactive management has arisen as a result of the increased degree of penetration of non-traditional renewable energy, particularly wind and solar.
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What is the capacitance if an insulator with dielectric constant κ and thickness d/2 is slipped between the electrodes without changing the plate separation?.
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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which of the following is not a factor that controls stream behavior? a. the average velocity of the water. b. the average width and depth of the channel. c. the sediment load. d. none of the above. they are all factors. e. the channel gradient.
The factors that do not control stream behavior are none of the above. They are all factors. The correct option is d.
What is behavior?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 tensile stress is to be applied along the long axis of a cylindrical brass rod that has a diameter of 10 mm (0.4 in.). determine the magnitude of the load required to produce a change in diameter if the deformation is entirely elastic.
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.
How to solveA 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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what is magnetization
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.
suppose the input signal is 7.3 v. if using the successive approximation method to encode the signal for a 6-bit register for an adc with a full-scale range of 10 v, the value in decimal number will be (precision is 3 digits after the decimal point):
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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this is a multi-part question. once an answer is submitted, you will be unable to return to this part. an ideal cogeneration steam plant is to generate power and 8600 kj/s of process heat. steam enters the turbine from the boiler at 7 mpa and 500°c. one-fourth of the steam is extracted from the turbine at 600 kpa pressure for process heating. the remainder of the steam continues to expand and exhausts to the condenser at 10 kpa. the steam extracted for the process heater is condensed in the heater and mixed with the feedwater at 600 kpa. the mixture is pumped to the boiler pressure of 7 mpa.
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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What are some similarities between the scientific method and the engineering design process
One similarity between the scientific method and the engineering design process is that "They are both iterative processes that begin with a problem."
What is an Engineering Design Process?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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find the discrete time signal for sampling frequency 2.5 hz. what are the digital frequencies present? (remember to put all digital frequencies into the principal range) reconstruct the analog signal, assuming a sampling frequency of 2.5 hz which elements of the original signal were aliased, if any? using excel, python or matlab, plot the original signal, the sampled signal, and the reconstructed signal for the time interval t
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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negative impact of cellular base station on physical environment
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.
What does the cellular system's base station do?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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What is Electrical resistance welding basic principles
According to the basic principles of Electrical Resistance Welding, Resistance welding is used to fuse two metals together. See further explanation below.
Principles of Electrical resistance weldingIt 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:
solid state, fusion, and reflow braze.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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Find the Transfer Function using the Block Diagram.
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]
How to find the transfer function of a system?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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Are Low-voltage systems are totally safe
Making sure that all objectives are shared among team members and that all activities benefit the team's final objective means the team is
self-presentational
critical in their thinking
O goal-oriented
ineffective
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.
What is a team?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.
What is a goal?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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(GIVING BRAINIRLY)does anyone know what this is? is it a sliding glass door or?
The source term will affect all algebraic equations.
The statement about the source term affecting all algebraic equations is; False
What is the source term in Algebraic Equations?
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
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
Most of our home's basic lights and all conventional 110-volt outlets with standard two-slot outlet receptacles are controlled by single-pole breakers.
We should check a single-pole breaker if a circuit trips and the lights and appliances on that circuit become dark and silent. An electric "pole" is a phrase used to describe an electric charge that is based on the ratio of protons to electrons in an atom. The pace at which the voltage in an alternating current oscillates is referred to as an electric "phase." The number of distinct circuits that a switch may control is indicated by its pole. A double pole switch can control two circuits, whereas single pole switches only control one.
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What is insurance an example of? Select one:
a. Risk avoidance
b. Risk assignment
c. Risk mitigation
d. Risk rejection
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.
consider a venturi with a throat-to-inlet area ratio of 0.8, mounted on the side of an airplane fuselage. the airplane is in flight at standard sea level. if the static pressure at the throat is 2100 lb/ft2, calculate the velocity of the airplane.
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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give hihvfhnffthjjnmurdg
Answer:
take gdrumnjjhtffnhfvhih
Explanation:
you have to do just opposite. is that clear?
Answer:
???
Explanation:
What is this...
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 lf and rr tires to detect a low tire. which technician is correct?
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.
What is an indirect tire-pressure monitoring system?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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