An unbalanced, 30, 4-wire, Y-connected load is connected to 380 V symmetrical supply. (a) Draw the phasor diagram and calculate the readings on the 3-wattmeters if a wattmeter is connected in each line of the load. Use Eon as reference with a positive phase sequence. The phase impedances are the following: Za = 45.5 L 36.6 Zo = 25.5 L-45.5 Zc = 36.5 L 25.52 [18] (b) Calculate the total wattmeter's reading [2] Question 2 A 3-0, 4-wire, symmetrical supply with a phase sequence of abc supplies an unbalanced, Y-connected load of the following impedances: Za = 21.4 L 54.30 Zp = 19.7 L 41.6° Zc =20.9 L 37.8° An analysis of currents flowing in the direction of the load in line c shows that the positive and negative phase sequence currents are 24.6 L-42° A and 21.9 L 102° A. The current flowing in the neutral towards the star point of the supply is 44.8 L 36° A (a) Calculate the current in each line [8] (b) Calculate the line voltage in the system [12]

Both Technicians are correct as a broken magnet becomes two magnets and there is a strong relationship between magnetism and electricity.

Electric charges in motion create the natural force known as magnetism. Inside of a substance known as magnets, these movements can occasionally be microscopic. Other magnets can be attracted to or repelled from by magnets, or by the magnetic fields produced by moving electric charges, which can also alter the motion of other charged particles.

According to the HyperPhysics website at Georgia State University, a magnetic field causes particles to experience the Lorentz force. The amount of charge, the particle's velocity, and the intensity of the magnetic field all affect the force that an electrically charged particle experiences in a magnetic field. The strange behavior of the Lorentz force is that it makes particles move at an angle to their initial motion.

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The total resistance of a circuit that contains two 100 resistors connected in parallel is equal to 50 Ohms.

In Science, resistance can be defined as an opposition to the flow of current in an electric circuit. Additionally, the standard unit of measurement of the resistance of an electric component is Ohms, which can either be converted to kilo-ohms or mega-ohms.

Mathematically, the total equivalent resistance of two or more resistors in an electrical circuit that are connected in parallel is giving by this mathematical expression;

Rt = R₁R₂/R₁ or Rt = R/n

Where:

Substituting the given parameters into the formula, we have;

Rt = 100/2

Rt = 50 Ohms.

In conclusion, the total equivalent resistance is equal to 50 Ohms.

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Answer:

yes answer d is correct

Communication Process are actions that create physical solutions to problems. The correct option is d.

Human existence and organisational survival both depend on effective communication. It is a process of generating and disseminating thoughts, facts, opinions, and sentiments from one place, individual, or group to another. The Management function of Directing depends on effective communication.

The sending party, message encoding, channel selection, message receipt by the recipient, and message decoding are all aspects of the communication process.

Feedback is when the recipient communicates something back to the original sender. These procedures are actions that result in tangible fixes for issues.

Thus, the correct option is d.

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In an electric field, a capacitor is a device that stores electrical energy. It has two terminals and is a passive electrical component. Capacitance refers to a capacitor's effect.

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Answer:

the total charge which crosses into the collector is 60 nC

Explanation:

Given the data in the question;

current flowing into the collector lead of the bipolar junction transistor (BJT); i = 1 nA = 10⁻⁹ A

no charge was transferred in or out of the collector lead prior to t = 0

the current flow time t = 1 min = 60 sec

Now we write the relation between current, charge, and time;

i = dq / dt

where i is current, q is charge and t is time. { d refers to change }

Now,

\(q=\int\limits^t_{t=0} {i(t)} \, dt\)

\(q=\int\limits^{t=60}_{t=0} { (10^{-9}) } \, dt\)

\(q = ( 10^{-9}) (t)_0^{60\)

\(q = ( 10^{-9}) ( 60 - 0 )\)

q = 60 × 10⁻⁹ C

q = 60 nC

Therefore, the total charge which crosses into the collector is 60 nC

A protocol is a set of rules that programs on two communicating devices follow.

Therefore, the correct option is: d. protocol

A protocol is a set of rules and standards that governs the communication between devices connected to a computer network. It's a group of rules that computers follow when communicating with one another. The main purpose of protocols is to facilitate communication between devices, allowing them to send and receive data through a network.

The set of rules that programs on two communicating devices follow is a protocol. This set of rules outlines how computers and other devices on a network interact and exchange data.

Therefore, the correct option is : d. protocol

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Answer:

sorry di ko alam

Explanation:

️‍♀️️‍♀️

The least value of extraterrestrial solar radiation is constant throughout the year. Therefore, the answer is option (c) Constant throughout the year. The extraterrestrial solar radiation is the amount of solar radiation received from the sun at the top of the Earth's atmosphere, the solar constant (Isc). The adjusted reading of the pyranometer is 82 W/m2.

The least value of extraterrestrial solar radiation is constant throughout the year. A pyranometer is an instrument used for measuring the solar irradiance (total energy flux from the Sun) that falls upon a planar surface. A pyranometer with a shading ring is used to measure diffuse radiation at a location with a latitude of 0°.If a pyranometer with a shading ring is used to measure diffuse radiation at a location with a latitude of 0° and it has a reading of 100 W/m2, the adjusted reading of this pyranometer will be as follows:

Let’s assume the correction factor of a pyranometer with a shading ring is 0.18. Therefore the adjusted reading of pyranometer is calculated as: Adjusted reading = (1 - 0.18) × reading= 0.82 × 100= 82 (W/m2).

Therefore, the adjusted reading of the pyranometer is 82 W/m2.

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Force in all its members have increased

The vector product of mass (m) and acceleration (a) expresses the quantity of force (a). The force equation or formula can be expressed mathematically as follows:

F = ma In which case,

m = mass a = velocity

It is expressed in Newtons (N) or kilogrammes per second.

The acceleration an is provided by

a = v/t

Where

v = acceleration

t = time spent

As a result, Force can be expressed as follows:

F = mv/t

The formula for inertia is p = mv, which can also be expressed as Momentum.

As a result, force can be defined as the rate of change of momentum.

dp/dt = F = p/t

Force formulas are useful for determining the force, mass, acceleration, momentum, and velocity in any given problem.

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Answer:

Magic

Explanation:

magic is the answer to everything unexplainable

Answer:

yrt a

Explanation:

Answer:

Completed load manifest, dispatch release and flight plan

Answer:

Thank you and you're welcome

Explanation:

mark me brainliest

Cave-ins  known as the greatest danger associated with excavations. A cave-in happens when an excavation's walls give way. Cravings can be fatal.

What is Excavation?
Excavation is the process of uncovering and removing material from a given area. It is a process that typically requires the use of specialised machinery, such as shovels, bulldozers, backhoes, and other digging equipment. Excavation is most commonly associated with construction, mining, and archaeological activities, but it can also be used in the removal of earth, rock, and other materials to create space for roads, dams, canals, and other land development projects. Excavation is also used in exploration activities, such as oil and gas drilling, as well as in the restoration of damaged ecosystems. Excavation involves the careful removal of material, often in layers, to ensure the safety of workers and to preserve the integrity of the site.

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The one that describes braking from a brake chamber containing a power spring is a spring applied and air-released service brake. The correct option is D.

Spring brakes, unlike service brakes, are not air applied. They apply when air pressure is released from the brake chamber and release when air pressure is restored. Spring brakes and service brakes use different types of brake chambers.

The braking power of spring brakes is determined by how well the brakes are adjusted. If the brakes are not properly adjusted, neither the regular nor the emergency/parking brakes will function properly.

A spring applied and air-released service brake is the one that describes braking from a brake chamber containing a power spring.

Thus, the correct option is D.

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Note that given the above , the optimal lot size is 63,246 and the total cost is $242,663

(a) This is a quantity discount model and the decision is to identify the optimal order quantity in the presence of discounts. We evaluate the order quantities at different unit prices using the econonmic order quantity equation as shown below:

For, price = Sl.00 per unit

Q = EOQ = √(2(20000)(400))/ (0.2 x 1)
= 30,984

Since Q > 19,999

We select Q = 20,000 (break point) and evaluate the corresponding total cost, which includes purchase cost + holding cost + order cost

Total Cost = (20,000) (12) (0.98) + (20000/2) (0.2) (0.98) + (20000) (12)/(20000) (400)
= $241, 960


Similarly we evaluate the EOQs at prices of p = 0.98 (Q = 31298) and p = 0.96 (Q = 31623)

which is not in the range so use Q = 40001).

The correspond total costs are S241,334 and $236,640

So, the optimal value of Q = 40001 and the total cost is S236,640

The cycle inventory is Q/2 = 40001/2 = 2000.5

(b) If the manufacturer did not offer a quantity discount but sold all plywood at 0.96 per square foot then Q = 31,623 and the total cost is    $ 233,436

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The work needed for the compression of an ideal gas in a single reversible and adiabatic compressor can be expressed in terms of the mass flow rate, initial pressure (P1), final pressure (P2), and initial temperature (T1).

a. When compressing an ideal gas in a single reversible and adiabatic compressor, the work required can be calculated using the equation: W = (m_dot * R * T1) * ln(P2/P1), where W is the work, m_dot is the mass flow rate, R is the gas constant, T1 is the initial temperature, and ln represents the natural logarithm. This expression takes into account the change in pressure and temperature during the compression process.

b. In a two-stage compression process, the work needed can be minimized by selecting an intermediate pressure (P*) between P1 and P2. The value of P* should be determined such that the compression process is done with minimum work. By optimizing the pressure ratio between the stages, the work required for each compression can be reduced. To calculate the specific value of P*, detailed calculations involving thermodynamic relationships and optimization techniques are required.

In summary, the work needed for compressing an ideal gas depends on factors such as the mass flow rate, initial and final pressures, and initial temperature. In a two-stage compression process, selecting the intermediate pressure (P*) carefully can help minimize the work required. Precise calculations and analysis are necessary to determine the specific value of P*.

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x= 3.

What is presented in this problem is basically an equation in verbal form.

\(2+4x-3x=5\)

\(2+4x-3x=5\\ \\2+x=5\\ \\x=5-2\\ \\x=3\)

x= 3.

The fusion welding process can be broken down into the following main categories:

The fundamental difference between fusion welding and solid-state welding is that in fusion welding, the base materials being joined are melted and fused together at their interface, whereas in solid-state welding, the materials are joined without melting by applying heat and pressure to cause diffusion and bonding between the atoms at the interface.

Gas tungsten arc welding (GTAW or TIG), gas metal arc welding (GMAW or MIG), shielded metal arc welding (SMAW or stick welding), and submerged.

In other words, whereas in solid-state welding, the joint is formed by atomic diffusion between the two materials, fusion welding produces a molten pool that solidifies into a joint.

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The combination of physical fitness, skills, habits, attitude, emotional fitness, knowledge, and mental fitness make up the Arch of Safe Drivers.

Correct answer  is c) The Arch of Safe Drivers.

Safe driving requires more than just being physically able to operate a vehicle. It involves having a variety of skills, such as being able to navigate traffic, obey traffic laws, and react to unexpected situations. Good driving habits, such as avoiding distractions and not driving under the influence, are also important for staying safe on the road. Attitude plays a big role in safe driving as well, as drivers with a positive attitude are more likely to stay calm and focused behind the wheel. Emotional fitness is also important, as being able to manage stress and other emotions while driving can help prevent accidents. Knowledge of traffic laws and safe driving techniques is also crucial for safe driving.

This concept highlights the importance of these factors in ensuring that drivers are well-equipped to maintain safety on the roads.  Finally, mental fitness, such as being able to concentrate and make quick decisions, is also important for safe driving. All of these factors combined make up the Arch of Safe Drivers.

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It's best to choose C. Patch each operating container separately, then test the program.

One of the greatest methods to prevent zero-day attacks is to install a web application firewall (WAF) on the network edge. A WAF inspects all incoming traffic and filters out harmful inputs that might target security holes. Phishing. Email and text message campaigns known as phishing scams are among the most popular types of social engineering attacks. They are intended to make recipients feel hurried, curious, or afraid. To identify errors and locate attacks on information systems that have already occurred, a detective control is created.

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Creep is the time-dependent and permanent deformation of materials when subjected to static mechanical stresses at elevated temperatures, typically greater than 0.4 Tm. Thus, Option A is correct.

This undesirable phenomenon can lead to creep brittleness, distortion, and phase slip, which may limit the lifetime of a part in service.

The term for the time-dependent and permanent deformation of materials under constant load or stress at elevated temperatures is creep, which is often an undesirable phenomenon and can limit the lifetime of a part. Creep occurs when the temperature is greater than 0.4 times the melting point of the material, and it is influenced by factors such as load, temperature, and time.

Creep behavior can be characterized by the creep rate, which is the rate of deformation over time, and the creep curve, which shows the relationship between deformation and time. Understanding creep behavior is important for designing materials and structures that can withstand high temperatures and mechanical stresses over long periods of time.

Option A holds true.

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ᴄᴏᴍᴘʟᴇᴛᴇɴᴇꜱꜱ ᴍᴇᴀɴꜱ ᴛʜᴇ ꜱᴛᴀᴛᴇ ᴏꜰ ʙᴇɪɴɢ ᴄᴏᴍᴘʟᴇᴛᴇ ᴀɴᴅ ᴇɴᴛɪʀᴇ; ʜᴀᴠɪɴɢ ᴇᴠᴇʀʏᴛʜɪɴɢ ᴛʜᴀᴛ ɪꜱ ɴᴇᴇᴅᴇᴅ.

ʙᴇᴀᴜᴛʏ ᴍᴇᴀɴꜱ combination of qualities, such as shape, colour, or form, that pleases the aesthetic senses, especially the sight.

Answer:

false

Explanation:

Answer:

THE ANSWER IS FALSE

Explanation:

GO FOR IT!!!!!

As a local hardware store employee, I have concerns about the long-term consequences and risks of a gene drive for eliminating West Nile Virus.

Participant: A local hardware store employee

Post:

As a local hardware store employee, I have a vested interest in the well-being of the Phoenix community. I understand that the scientists from ASU are proposing the development of a gene drive to eliminate West Nile Virus in our area, and I believe it's crucial to have an open discussion about this research vision.

Firstly, I want to emphasize that I am not an expert in genetics or public health. However, I do have concerns and questions regarding the potential implementation of a gene drive for such a purpose.

My main concern revolves around the long-term consequences and potential risks associated with altering the genetic makeup of organisms, even if it is for a positive outcome like eliminating West Nile Virus. While the eradication of this disease is undoubtedly a worthy goal, we must ensure that the benefits outweigh any unintended negative effects.

Before I can fully support or oppose this research, I would like to better understand the safeguards that would be put in place to prevent any unintended ecological disruptions. What are the contingency plans if the gene drive were to have unintended consequences on non-target species? Are there measures in place to address potential resistance to the gene drive in the West Nile Virus-carrying mosquitoes? These are critical questions that must be answered to assess the feasibility and safety of this project.

Additionally, it would be crucial to involve a diverse range of stakeholders in the decision-making process. Engaging with experts in genetics, public health officials, and environmentalists, along with community members, will help ensure that all perspectives are taken into account. Transparency and inclusivity are key to fostering trust and ensuring that the decision ultimately made serves the best interests of our community.

In conclusion, while I recognize the importance of addressing the issue of West Nile Virus, I approach the proposal for a gene drive with caution. My starting position is one of skepticism and the need for further information. I believe a comprehensive risk assessment, robust stakeholder engagement, and a thorough examination of potential unintended consequences are necessary before making a final determination on supporting or opposing the project.

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To add unique calendars to the schedule in Primavera P6's Calendar window, you mus select "Project" radial selection button.

In the Primavera P6 Calendar window, you would choose the "Project" radial selection button to add unique calendars to the schedule. This option allows you to define calendars specific to the project, which can be customized according to your project's specific needs.

By selecting the "Project" radial button, we create and assign calendars that are separate from the default calendars in the system providing more flexibility and control over your project scheduling.

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A contractor has a job that should be completed in 100 days. At present, he has 80 men on the job and it is estimated that they will finish the work in 130 days. Of the 80 men, 50 are each paid ₱120.00 a day, 25 at ₱180.00 a day, and 5 at ₱250.00 a day. For each day beyond the original 100 days, a contractor has to pay ₱500.00.

liquidated damages.(a) How many more men should the contractor add so that he would complete the work on time?In the first case, we see that the contractor already has 80 men and they are working for 130 days to complete the job. So, we can use the following formula to determine the additional number of workers required to finish the work in 100 days.

b) If of the additional men, 2 are paid ₱180.00 a day, and the rest at ₱120.00 a day, would the contractor save money by employing more men and not paying the fine Let’s assume that the contractor adds 440 workers, of which 2 are paid ₱180.00 a day and the rest are paid ₱120.00 a day.

The total cost of the new workers is, therefore, ₱9600.00 + ₱4500.00 + ₱49800.00 = ₱63,900.00.The cost of liquidated damages would be calculated as follows:  $$LD = (130-100) \cdot 500 = ₱15,000.00$$.

Therefore, the contractor would save money if he employs more men and not pays the fine. The contractor’s savings would be:$$Savings = LD - Additional cost$$$$= 15000.00 - 63900.00 $$$$= -48900.00$$

Thus, we can see that the contractor would save ₱48,900.00 by employing more men and not paying the fine.

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The lanyard is a device that connects a stationary object to a fall restraint vest. The correct option is C. lanyard

The answer is C. lanyard. A lanyard is a short length of rope or chain with a snap hook on one end that is used to connect a fall restraint vest to a stationary object. The other end of the lanyard is attached to the vest.

The other options are incorrect. A restraint is a device that prevents someone from moving freely. A tie-off is a secure attachment point for a lanyard. A sling is a piece of fabric that is used to support a load.

The correct option is C

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Answer:

4c4u4civ4j4

Explanation:

x24uu37z3x3uzu2

Solution :

It is given that :

Thermal coefficient = 0.0045/K

Ambient temperature, \($T_a = 25 - 40^\circ$\)

air velocity, v = 0-5 m/s

Solar radiation, \($G= 400-100 \ W/m^2$\)

\($P=50 \ W$\)

Model calculations :

Cell temperature (\($T_c$\))

\($T_c = T_a + \left(\frac{0.25}{5.7+3.8 \ v_w}\right) G$\)

where \($ v_w - v_a = $\) wind speed / air speed

∴ \($T_c = 2 \pi + \left(\frac{0.25}{5.7+3.8 \times 1}\right) \times 400$\)

   \($T_c = 35.526 ^\circ$\)

\($\Delta T = T_c -25$\)

      = 35.526 - 25

      = 10.526 K

Thermal coefficient = 0.0045 x 10.526

                                = 0.04737

Pv power = \($(1 -C_T) \times P \times \frac{G}{1000}$\)

                \($=(1 -0.04737) \times 50 \times \frac{400}{1000}$\)

                = 17.0526 W