80t²u(t) For a unity feedback system with feedforward transfer function as G(s) = 60(s+34)(s+4)(s+8) s²(s+6)(s+17) The type of system is: Find the steady-state error if the input is 80u(t): Find the steady-state error if the input is 80tu(t): Find the steady-state error if the input is 80t²u(t):

Answer:

The given question contains multiple parts, each asking for a different calculation or analysis related to the given transformer. I will try to address each part of the question separately:

a) To find the equivalent circuit of the transformer referred to the low-voltage side, we need to know the transformer's equivalent impedance and leakage reactance. These can be calculated using the open-circuit and short-circuit test data. The equivalent impedance can be calculated using the following formula:

Zeq = (Voc^2 / Poc) - (Iso^2 * Rc)

Where Rc is the core loss resistance, which can be assumed to be negligible.

The leakage reactance can be calculated using the following formula:

Xm = (Vsc / Iso) - Rc

Once these values have been calculated, we can create the equivalent circuit of the transformer, which consists of a series connection of the equivalent impedance and leakage reactance, connected in parallel with the magnetizing reactance (Xm).

b) To calculate the full-load voltage regulation at unity power factor, we can use the following formula:

Voltage regulation = (Voc - Vsc) / Voc

c) I would plot the voltage regulation as lead is increased from no load to full load under condition b, but as it is not specified how the voltage regulation varies with the load, I am unable to provide the plot.

d) To calculate the efficiency of the transformer at full load with a power factor of 0.6 lagging, we can use the following formula:

Efficiency = (Output power (at 0.6 pf lagging) / Input power) * 100

Where the output power can be calculated using the following formula:

Output power = (Vsc * Iso * cos(theta))

Where theta is the angle between the voltage and current at the secondary side (in this case, the low-voltage side) of the transformer.

It is worth noting that these calculations require accurate data for the transformer's voltage and current values, as well as the core loss resistance, and assuming the data provided is accurate the above formulas will give you the desired results.

Answer:

Option 2, In seismic areas, the most crucial requirement for precast concrete is to tie elements together laterally

Explanation:

In seismic areas, the in-plane lateral  forces are very larger and hence in order to restrict the lateral movement governed by the lateral force, lateral ties are essential .

Specific design detailing such as interior and  perimeter ties in the floors causes diaphragm behavior and hence distribute the load evenly without any movement.

Hence, option 2 is correct

Answer:

It's a fit test

Answer:

Fixed, Variable, Linear and Non-Linear Resistors & Applications

Explanation:

A subcritical refrigeration cycle is a type of refrigeration cycle that operates below the critical point of the refrigerant. The critical point is the temperature and pressure at which the refrigerant transitions between the liquid and gas phases without any distinction between them.

In a subcritical cycle, the refrigerant remains in the liquid phase during the entire cycle.

The four processes involved in a subcritical refrigeration cycle are:

Compression: The refrigerant enters the compressor as a low-pressure vapor and is compressed to a higher pressure and temperature.

Condensation: The compressed refrigerant flows into the condenser, where it releases heat to the surroundings and changes from a high-pressure vapor to a high-pressure liquid.

Expansion: The high-pressure liquid refrigerant enters the expansion valve or throttle valve, where its pressure is reduced, causing it to partially vaporize and cool.

Evaporation: The partially vaporized refrigerant flows into the evaporator, where it absorbs heat from the surrounding environment, completing the cooling process. The refrigerant then returns to the compressor to start the cycle again.

In a subcritical refrigeration cycle, the cooling effect is achieved through the evaporation of the refrigerant in the evaporator, while the condenser rejects heat to the surroundings.

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Consequently, it will take about 46,134.21 ft. lb. of labour to pump the entire pool's water out.

The volume in cubic feet is obtained by dividing that number by the depth. As there are 7.5 gallons in every cubic foot, multiplying the pool's cubic feet by 7.5 will give you the pool's volume in gallons.

V_sides = πr²h

= π(12 ft)²(5 ft)

= 2,262.74 ft³

V_water = πr²h

= π(8 ft)²(24 ft)

= 6,079.63 ft³

V = V_sides - V_water

= 2,262.74 ft³ - 6,079.63 ft³

= -3,816.89 ft³

W = Fd

F = mg

m = ρV

= 0.075 lb/ft³ × 3,816.89 ft³

= 286.29 lb

F = mg

= 286.29 lb × 32.2 ft/s²

= 9,226.84 ft·lb/s² = 9,226.84 N

W = Fd

= 9,226.84 ft·lb/s² × 5 ft

= 46,134.21 ft·lb

Consequently, it will take about 46,134.21 ft. lb. of labour to pump the entire pool's water out.

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The maximum shear stress in the tube when the power is transmitted through a 4: 1 gearing is 28.98 MPa.

Power is the energy transferred per unit time.

Torque is find out by

P = 2πNT/60

10000 = 2π x 2000 x T / 60

T =47.74 N.m

The gear ratio Ne / Ns =4/1

Ns =2000/4 = 500

Ts =Ps x 60/(2π x 500)

Ts =190.96 N.m

Maximum shear stress τ = 16/π x (T / (d₀⁴ - d₁⁴))

τ max =T/J x D/2
where d₁ = 30mm = 0.03 m

           d₀ = 30 +(2x 4) = 38mm =0.038 m

Substitute the values into the equation, we get

τ max = 16 x 190.96 x 0.038 /π x (0.038⁴ - 0.03⁴)

τ max = 28.98 MPa.

Thus, the maximum shear stress in the tube is 28.98 MPa.

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Answer:

Email etiquette is important

Explanation:

It is important to understand how to use correct email etiquette because it helps you communicate more clearly. It also makes you seem a bit more professional too. For example depending in who you're emailing like say you're emailing your teacher for help then here's how it'd go:

Dear(teacher name, capitalize, never use first name unless they allow it)

Hello (teacher name), my name is (first and last name) from your (number class) and I was wondering if you could please help me out with (situation, be clear on what you need help with otherwise it won't get through to them)? If you could that would be greatly appreciated!

Sincerely,

(your name first and last)

The correct answer is A) Chemical

Explanation:

The abbreviations SDS means Safety Data Sheet, which refers to a very complete document about chemicals and safety related to these, including their properties and potential hazards, as well as, procedures or steps to avoid hazards and accidents.

This means the main focus of this document is chemicals; moreover, in this, there is information about the route of entry, which refers to the way chemical can enter the body and includes through inhalation, ingestion, contact with skin, among others. Also, depending on the chemical some routes of entry represent a major hazard. According to this, the correct answer is A.

Answer: Chemical!!!

Explanation:

One tool that you can use to automate the creation of local users in a Windows 10 workstation is the Command Prompt.

What are the tools to automate ?

The Command Prompt is one tool you may use to automate the creation of local users on a Windows 10 computer.

When creating new local users, you can use the "net user" command to specify things like their password, user account type, and full name.

For instance: net user <username> <password> /add

This will create a brand-new local user using the credentials <username> and <password>.

You can also use Windows PowerShell as a tool.

Compared to Command Prompt, Windows PowerShell is a more capable and flexible tool that lets you automate operations with scripts.

In Windows 10, you can create new local users by using the New-LocalUser cmdlet.

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Answer:

Efficiency is defined as any performance that uses the fewest number of inputs to produce the greatest number of outputs. Simply put, you're efficient if you get more out of less.

Explanation:

Gas (hydrogen) will replace the water in the eudiometer as it is created. Using "downward displacement" is what is meant by this.

Due to the acid's greater density than the water, it dips below the water. It pours down the tube spontaneously when it is turned upside down.

Today, chemistry uses eudiometers to measure the amount of oxygen in the air. An electric spark causes atmospheric air and hydrogen to erupt over water, and the rise in the water's level in the tube indicates the presence of oxygen.

Tour operators traveled with eudiometers throughout Europe searching for the ideal locations for health resorts. As a result of rotting garbage, human waste, and stagnant water, it was believed that disease was brought on by poor air quality and offensive odors.

In order to treat and prevent illness, clean air was therefore regarded as crucial—a picture of the eudiometer and a different instrument with a comparable design.

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Answer: true

Explanation:

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

The best explanation for why Line 1-2 has a steeper slope than Line 4-5 is that liquid phases are less compressible than gas phases.

Therefore, the correct option is C.

Since the graph is a plot of the relationship between temperature and volume for a given amount of water, representing how the volume of water changes as its temperature changes.

The slope of the line represents the compressibility of water at a particular temperature.

This can be seen that Line 1-2 has a steeper slope than Line 4-5, indicating that water is less compressible in its liquid state than in its gaseous state.

The options are not relevant to the compressibility of water or the slope of the lines on the graph. Therefore, they are not the best explanations for the observed difference in slope.

Hence, option C is the best explanation for this observation.

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Answer:

i need points 425677

Explanation:

yurrrrrr  awnser C

The given statement "Space to the side of the vehicle is harder to control than the space in front." is false.

The space in front of the vehicle is typically harder to control than the space to the side of the vehicle. This is because when driving, it is usually easier to see, and therefore anticipate, the actions of other road users ahead of the vehicle. This makes it easier to plan ahead and adjust speed and direction accordingly. In comparison, the space to the side of the vehicle may be more difficult to see and anticipate, making it harder to control.

Therefore, the given statement is false.

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(a) To determine the Schmid factor for all slip systems in a single crystal of iron (bcc) pulled in tension along the [120] direction, we need to consider the valid slip systems and their corresponding Schmid factors.

In bcc crystals, slip occurs on specific slip systems characterized by a combination of crystallographic planes and directions. The valid slip systems in iron (bcc) include {110}<111>, {112}<111>, and {123}<111>.

To calculate the Schmid factor for each slip system, we need to determine the dot product between the slip direction and the applied tensile stress direction, as well as the dot product between the slip plane normal and the tensile stress direction.

For example, for the {110}<111> slip system:

Slip direction: [110]

Slip plane normal: [111]

Tensile stress direction: [120]

Schmid factor = (Dot product of slip direction and tensile stress direction) * (Dot product of slip plane normal and tensile stress direction)

By calculating the dot products for each slip system and applying the formula, we can determine the Schmid factors.

(b) The tensile stress at which the crystal will flow plastically depends on the critical resolved shear stress (CRSS) for the slip system with the highest Schmid factor. The CRSS represents the stress required to initiate slip in a particular slip system.

Once we identify the slip system with the highest Schmid factor, the corresponding CRSS value can be obtained from experimental data or material properties. The tensile stress at which plastic flow will occur is equal to or greater than the CRSS for that slip system.

It's important to note that the exact values for Schmid factors, CRSS, and the tensile stress required for plastic flow can vary depending on the specific crystallographic orientation and material properties of the iron (bcc) single crystal.

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They were made of stone blocks that were held together with lime mortar. Some were plastered over and painted.

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The work done by a 10 HP motor when it raises a 1000 Newton weight at a vertical distance of 5 meters is 5kJ.

Define work. Explain the rate of doing work.

Work is the energy that is moved to or from an item by applying force along a displacement in physics. For a constant force acting in the same direction as the motion, work is easiest expressed as the product of force magnitude and distance traveled.

Since the force transfers one unit of energy for every unit of work it performs, the rate at which work is done and energy is used are equal.

Solution Explained:

Given,

Weight = 1000N and distance = 5m

A/Q, the work here is done in lifting then

Work = (weight) × (distance moved)

         = 1000 X 5

         = 5000Nm or 5000J = 5kJ

Therefore, the work done in lifting a 1000 Newton weight at a vertical distance of 5 meters is 5kJ.

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Answer:

"Use your gloves correctly" and "Inspect your gloves for any damage before wearing."

Explanation:

If you don't use your gloves correctly you could risk your hands being infected/burned. If your gloves are damaged they will provide minimum protection but there is still a potential safety hazard.

Answer:

Use your gloves correctly

Inspect your gloves for any damage before wearing

Explanation:

Most ceilings are coverd with plaster or board.

The process that a ceramist uses to knead and remove pockets of air from wet clay is called wedging.

Wedging involves a technique of working the clay by hand to remove any air bubbles or inconsistencies in the clay's texture. The ceramist takes a lump of wet clay and repeatedly kneads, compresses, and folds it to ensure uniformity and eliminate air pockets. This process helps to improve the clay's plasticity, remove excess moisture, and create a more workable and consistent material for shaping and forming. Wedging is an essential step in the preparation of clay before it can be used for various ceramic techniques such as throwing, slabbing, or coiling. It ensures that the clay is free from air bubbles that could cause structural weaknesses or uneven drying during the firing process.

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Answer:

False

Explanation:

It is not okay to download information without asking a lab instructor, even if it is for an online class. Academic integrity policies and copyright laws still apply to online courses and students are expected to follow ethical and legal guidelines when accessing and using information. If you are unsure about whether it is appropriate to download certain information or materials, it is always best to check with your instructor.

Answer:

  technician A is correct

Explanation:

Technician B has circuit topologies confused. In a series circuit, there is only one path for electrical current to take. In a parallel circuit, the current will divide between paths in proportion to the inverse of their resistance. The least resistance path will have the most current.

Technician A is mostly correct.

Time-based and multi-rate systems are the foundation of the Simulink approach.The generation of HDL code will benefit from this SO.

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To write a program that prompts the user to enter the month and year and displays the number of days,  

Begin by prompting the user to enter the month and year . Read the values entered by the user. Determine if the year is a leap year or not. A leap year is divisible by 4 but not divisible by 100, unless it is also divisible by 400. This is important because February can have 28 or 29 days depending on whether it's a leap year or not.  Based on the month entered by the user, calculate the number of days in that month. For example, January, March, May, July,

August, October, and December each have 31 days, while April, June, September, and November each have 30 days. If it's February, check if it's a leap year to determine if it has 28 or 29 days. Display the number of days in the entered month to the user. Here's an example of how the main answer could be implemented in Python:
```python
# Prompt the user to enter the month and year
month = int(input("Enter the month (1-12): "))
year = int(input("Enter the year: "))

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A comparator compares two voltages and produces an output signal based on the comparison. If the voltage on the data line is higher than the reference voltage, the comparator will output a 1.

What is Voltages?

If the voltage on the data line is lower than the reference voltage, the comparator will output a 0; if the voltage on the data line is equal to the reference voltage, the comparator will output an undetermined signal.

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Answer:

Hey there!

Explanation:

This is your answer....

The standard of something as measured against other things of a similar kind; the degree of excellence of something.

OR

Quality engineering is the discipline of engineering concerned with the principles and practice of product and service quality assurance and control. In software development, it is the management, development, operation and maintenance of IT systems and enterprise architectures with a high quality standard.

Hope it helps!

Brainliest pls!

Have a good day!^^