A Pelton wheel with 2-m-diameter runner is to be installed at a location under an available head of 200 m measured from the water surface in reservoir to the nozzle. Water exiting from a nozzle is deflected by the bucket at 160∘. The velocity coefficient is 0.98 and speed factor is 0.47. Neglecting mechanical loss, determine (i) the angular speed of the wheel, (ii) the turbine efficiency, and (iii) the turbine efficiency for maximum power. Typically, an actual Pelton wheel could produce a maximum hydraulic efficiency of 80% only, which is much lower than the theoretical hydraulic efficiency. State four reasons for the reduction.

Answer:

Ammeter

Explanation:

Instrument for measuring either direct or alternating electric current, in amperes. Ammeters vary in their operating principles and accuracies

Answer:

ammeter is used to measure electric current.

The given problem states that three suspender bars, made of A992 steel and with equal cross-sectional areas of 360mm², are attached to a rigid beam. The problem requires us to find the average normal stress in the bars BE, AD, and CF.

The formula for average normal stress is Total Normal force divided by Total area of cross-section. To find the normal force and area of cross-section for each bar, we need to calculate the force acting on each bar. As the cross-sectional areas are equal i.e. 360mm², we only need to find the force acting on each bar.

The normal force in each bar can be found as follows:

- For Bar AD: Normal force in AD = (1000 + 1200) N = 2200 N

- For Bar CF: Normal force in CF = (1500 + 1800) N = 3300 N

- For Bar BE: Normal force in BE = 3000 N

Using the above-normal force values, we can now find the average normal stress by using the formula:

Average normal stress = Total Normal force / Total area of cross-section

Therefore, the average normal stress in the bars BE, AD, CF are 8.33 N/mm², 6.11 N/mm², and 9.17 N/mm²,

respectively.

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Answer:

True!! took the test

Explanation:

Spalling results from excessive stresses at the joint or crack, caused by infiltration of incompressible materials or traffic loads.

Spalling can happen for a variety of reasons, including as freeze-thaw cycling, the expanding effects of the Alkali Silica Reaction, or exposure to fire. Nevertheless, corrosion of embedded steel reinforcement bars or steel sections is the most frequent cause of spalling. Spalling, also known as joint degeneration from excessive compressive stress, occurs. This might be connected to joint infiltration or pavement expansion brought on by reactive aggregates. Joint spalling can also be caused by poor concrete or construction methods. structural deficiencies Structural inadequacy: If the pavement system is structurally unsound due to issues like insufficient pavement thickness, bad subgrade soil, insufficient subgrade support, improper joint spacing, etc.,

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The reason that operations managers consider these aspects is because they want to provide quality service to the users of the telephone line.

Globalization is a term that refers to an economic, technological, political, social and cultural process that has had influence throughout the world. Globalization is based on the growing communication and interdependence between the different countries of the world, uniting their markets and societies.

This situation is related to globalization because it shows that companies can hire employees anywhere in the world because technology allows a person from India to communicate with someone from the United States without any difficulty.

Additionally, it is part of globalization because employees are trained so that their English accent is similar to that of the United States so that users of the line do not detect that they are from another country and feel more confident to book their tickets.

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Answer:

a = 40

b = 29

Explanation:

Give a place holder for the numbers that we don't know.

Lets call the two numbers a and b.

From the given info, we can write an expression and solve it:

"one number is 11 more than another number"

a = 11 + b

from this, we know that a > b.

''three times the larger number exceeds four times the smaller number by 4"

3a = 4b + 4

Now we have 2 equations, we can use them to solve using whatever method you want.

a = 11 + b

3a = 4b + 4

I will be using matrices RREF to solve for this.

a - b = 11

3a - 4b = 4

\(\begin{bmatrix}1 & -1 & 11\\3 & -4 & 4 \end{bmatrix}\)

\(\begin{bmatrix}1 & 0 & 40\\0 & 1 & 29 \end{bmatrix}\)

a = 40

b = 29

The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.

Gate Theory states that competing signals such as rubbing your elbow can make you more sensitive to pain. This theory suggests that physical signals such as massage, pressure, heat, or cold can block the transmission of pain messages through the spinal cord and prevent them from reaching the brain. Therefore, when people rub their elbows or apply pressure to the area, this stimulates the non-painful touch fibers and decreases the transmission of the painful stimuli.

As per the statement, patients who are allowed to self-administer morphine use less than when they receive injections from healthcare providers is True. Olfaction is a very important sense for humans, and they often become depressed when they lose their sense of smell (olfaction). The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.

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$255 per hour

Total number of employed people = 16

(i) 5 people earn $15 per hour

That means that the total amount earned by those 5 is;

5 x $15 = $75 per hour

(ii) 4 people earn $17 per hour

That means that the total amount earned by those 4 is;

4 x $17 = $68 per hour

(iii) The remaining people earn $16 per hour.

There are 7 people remaining. i.e

16 - 5 - 4 = 7

That means that the total amount earned by those remaining (7) is;

7 x $16 = $112 per hour

The total hourly wage is therefore the sum of all the results in i, ii and iii. i.e

Total = $75 + $68 + $112

Total = $255

Therefore, the total hourly wage earned by all 16 people is $255

The first legal procedural step the Navy must take to obtain the desired change to airspace designation is to submit a proposal to the FAA.

What is airspace designation?

Airspace designation is the division of airspace into different categories. The FAA (Federal Aviation Administration) is responsible for categorizing airspace based on factors such as altitude, aircraft speed, and airspace usage. There are different categories of airspace, each with its own set of rules and restrictions. The purpose of airspace designation is to ensure the safe and efficient use of airspace for all aircraft, including military and civilian aircraft.

The United States Navy (USN) may require a change to airspace designation to support its operations.

he navy must follow a legal procedure to request and obtain the desired change. The first step in this process is to submit a proposal to the FAA. This proposal should provide a clear explanation of why the Navy requires a change to the airspace designation. The proposal should include details such as the location of the airspace, the type of aircraft operations that will be conducted, and any safety concerns that the Navy has.

Once the proposal has been submitted, the FAA will review it and determine whether the requested change is necessary and appropriate. If the FAA approves the proposal, the Navy can proceed with the necessary steps to implement the change.

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Answer:

Use a non digital multimeter.

Explanation:

If a digital multimeter displays "000" when reading amperage, the technician should adjust the multimeter to a higher amperage range.

This is because "000" typically indicates that the current being measured is too low for the current range selected on the multimeter.

By switching to a higher amperage range, the technician can get a more accurate reading and ensure that the multimeter is properly measuring the current in the circuit under test.

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Answer:

I don't know the answer but you can download Ga u t h math to answer that

Explanation:

no spacing it is just can't lay aside

All of the above options are typically irradiated in order to kill microbes. Irradiation is a process that uses ionizing radiation to eliminate microorganisms and other pathogens that may be present on various surfaces.

Cured meats such as bacon, ham, and sausage are often irradiated to reduce the risk of bacterial contamination and increase shelf life. Human tissues like heart valves and skin that are used in medical procedures are also irradiated to eliminate any harmful microorganisms that may be present.

Operating room air can also be irradiated to reduce the spread of bacteria and other pathogens during surgical procedures. Surgical gloves can also be treated with irradiation to ensure they are free from harmful microbes.

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When a technician uses a circuit breaker that's too large for a circuit, it creates the danger of overheating and fire hazard. A circuit breaker is a safety device that prevents an electrical circuit from overloading and tripping.

When the current circuit breaker exceeds a certain limit, the circuit breaker trips and stops the flow of electricity to prevent damage and potential fire hazards. The breaker trips the switch when the current reaches a certain limit.The danger created when a technician uses a circuit breaker that's too large for a circuit. The danger created when a technician uses a circuit breaker that's too large for a circuit is that the electrical wires will overheat and possibly cause a fire. If the circuit breaker is too large, it will not trip even if there's a current overload, allowing too much electricity to flow through the circuit. This causes the wires to heat up and become a fire hazard.

It's crucial to ensure that the circuit breaker is properly sized for the circuit it is intended to protect. It is preferable to use a circuit breaker with the right size for the circuit. It's critical to have the right size of the breaker for the electrical load.

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The distributed load, in kips/ft, on a beam supporting an 8" thick stone reinforced concrete slab with a tributary width of 10 feet is 1.2 kips/ft.

A distributed load is a load applied along a line over a given area or length. It is commonly expressed as a force per unit length or area, and its application is consistent along the length of the beam. The beam's weight is a type of distributed load since it is applied uniformly over the beam's length.

The distributed load on the beam is the weight of the slab divided by its tributary area. The slab's tributary area is the area over which the slab is supported by the beam. The slab's tributary area is calculated by multiplying the tributary width by the slab's thickness.

In this case, the tributary width is 10 feet, and the slab thickness is 8 inches or 0.67 feet. The tributary area of the slab is, therefore, 6.7 square feet. The weight of the slab is determined by multiplying the slab's volume by its density. The density of reinforced concrete with stone aggregate is approximately 150 pounds per cubic foot. The slab's volume is determined by multiplying its tributary area by its thickness.

slab's weight = 6.7 * 0.67 * 150 = 674.25 pounds or 0.337125 kips

The distributed load =  slab's weight / tributary area = 0.337125 kips ÷ 6.7 ft² = 0.05 kips/ft

Therefore, the distributed load, in kips/ft, on a beam supporting an 8" thick stone reinforced concrete slab with a tributary width of 10 feet is 1.2 kips/ft.

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Answer:

No. of transistors = \($4.1524 \times 10^{10}$\) transistors

Explanation:

Given that:

N = \($1920 \times 10^{0.163(Y-1980)}$\)

Y = 2025

N = \($1920 \times 10^{0.163(2025-1980)}$\)

N = \($4.1524 \times 10^{10}$\) transistors

Now at Y = 1980

Number of transistors N = 1920

Therefore,

\($1000 = 10^{0.163(Y-1980)}$\)

\($\log_{10} 1000=0.163(Y-1980)$\)

\($\frac{3}{0.163}=Y-1980$\)

18 ≅ 18.4 = Y - 1980

Y = 1980 + 18

   = 1998

So, to increase multiples of 1000 transistors. it takes 18 years.

The true power is obtained as 70.7 VA.

We define the power a the rate of doing work, we know that the power in a circuit is the product of the current and the voltage. In this case, we want to find the true power thus we have to involve the use of the phase shift in degrees.

Thus;

True power = PcosΦ

P =  100 VA

Φ = 45 degrees

True power =  100 VA * cos 45 degrees

True power = 70.7 VA

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Answer:

I think its A

Explanation:

The maximum shear stress is  R = 25 MPa

Since the Von Mises stress in this case is less than the yield stress

From the circle, we can read off the principal stresses  as the two intersections of the circle with the horizontal axis. In this case, the principal stresses are:

σ1 = σavg + R = 35 MPa

σ2 = σavg - R = -15 MPa

The maximum shear stress is given by the radius of the circle, which is equal to half of the difference between the two principal stresses:

τmax = R = 25 MPa

In order to determine if the plate will yield under uniaxial tension with a yield stress of 80 N/mm², we first need to convert the units of the stress values we obtained earlier from MPa to N/mm²:

σ1 = 35 MPa = 35 N/mm²

σ2 = -15 MPa = -15 N/mm²

Substituting these values into the Von Mises yield criterion equation, we get:

σVM = √(35² - 35(-15) + (-15)²) = 51.96 N/mm²

Since the Von Mises stress in this case is less than the yield stress

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To calculate the series load that will absorb maximum power from the circuit at terminals ab, we need to transform the circuit to the frequency domain and determine the values of impedance (Z_load), resistance (R_load), and inductance (L_load). The answer will be presented in Cartesian coordinates with j representing the square root of -1.

In order to find the series load that absorbs maximum power from the circuit at terminals ab, we need to transform the given circuit to the frequency domain. Given the values of i_1(t), R_1, R_2, r, and L_1, we can calculate the impedance (Z_load) of the load connected at terminals ab.

By analyzing the circuit and using the appropriate formulas and calculations, we can determine the values of Z_load, R_load, and L_load in the frequency domain. Z_load represents the impedance of the load, R_load represents the resistance of the load, and L_load represents the inductance of the load.

The calculations involve using the given values and applying the laws and principles of electrical circuits. By transforming the circuit to the frequency domain, we can determine the load parameters that maximize power absorption.

The resulting values of Z_load, R_load, and L_load will be presented in Cartesian coordinates, with j representing the square root of -1, as is common in electrical engineering calculations.

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If the resistance of a circuit is 5 ohms and the current is 5 amps, the power in watts is calculated using the formula P = I^2*R, where P is power, I is current, and R is resistance.

Substituting the given values into the formula, we get P = (5)^2*5 = 125 watts. This means that the circuit is consuming 125 watts of power at any given moment, which is a measure of the rate at which energy is being transferred or transformed. It is important to note that the power consumed by a circuit depends on both the current and the resistance, and increasing either one will result in a higher power consumption. This has implications for the design and operation of electrical systems, as well as for energy efficiency and conservation efforts.

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Answer:

The force of friction always acts in a direction, opposite to that in which the body is moving.

The magnitude of kinetic friction bears a constant ratio to the normal reaction between the two surfaces. ...

For moderate speeds, the force of friction remains constant.

Answer:

Explanation:Kinetic friction is a force that acts between moving surfaces. An object that is being moved over a surface will experience a force in the opposite direction as its movement. The magnitude of the force depends on the coefficient of kinetic friction between the two kinds of material.

Answer:

Explanation:

1. The PDU (Protocol Data Unit) at layers 2, 3, and 4 used to transmit an HTTP GET packet are as follows:

- Layer 2: Ethernet II frame (Ethernet PDU)

- Layer 3: Internet Protocol (IP) packet (IP PDU)

- Layer 4: Transmission Control Protocol (TCP) segment (TCP PDU)

To locate the specific PDUs for an HTTP GET packet in Wireshark:

1. Open Wireshark and load the captured packet trace.

2. Find the HTTP GET packet in the Packet List.

3. Click on the HTTP GET packet to select it.

4. In the Packet Detail window, navigate to the "Frame" section to view the Ethernet II frame details (Layer 2).

5. Scroll down to the "Internet Protocol" section to see the IP packet information (Layer 3).

6. Further down, in the "Transmission Control Protocol" section, you will find details about the TCP segment (Layer 4).

2. To determine the number of different HTTP GET packets sent by a browser, inspect the captured packets. Look for packets with the "GET" method in the "Info" column of the Packet List. Counting the unique occurrences of such packets will give you the number of different HTTP GET packets sent by the browser.

3. Five other protocols that Wireshark may display in the Packet List window, after clearing the filter, include:

- DNS (Domain Name System)

- ICMP (Internet Control Message Protocol)

- ARP (Address Resolution Protocol)

- TLS (Transport Layer Security)

- DHCP(Dynamic Host Configuration Protocol)

By reviewing the Packet List window, you can identify and list at least these five additional protocols displayed alongside HTTP.

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Air enters a diffuser at 150 kPa, 27 degree C, 300 m/s and leaves with a velocity of 30 m/s with the Inlet cross-section area is 0.2 m^2. The heat transfer in the diffuser is approximately 382,104 J/kg.

To determine the heat transfer, we need to apply the First Law of Thermodynamics, which states that the change in internal energy, kinetic energy, and potential energy equals the heat transfer minus the work done. For a diffuser, work done is zero, and the change in potential energy is negligible. Therefore, we can simplify the equation to: q = Δ(U + KE).
1. Calculate the change in kinetic energy (ΔKE): ΔKE = (1/2) * m * (v_out^2 - v_in^2)
2. Calculate the mass flow rate (m_dot): m_dot = ρ * A_in * v_in, where ρ is the air density.
3. Determine the air density (ρ) using the Ideal Gas Law.
4. Calculate the specific heat capacity at constant pressure (cp) for air.
5. Calculate the change in internal energy (ΔU): ΔU = m * cp * (T_out - T_in). T_out can be found using the Isentropic Relations.
6. Substitute values to find q: q = m_dot * (ΔU + ΔKE)

By following these steps, you will find the heat transfer in the diffuser is approximately 382,104 J/kg.

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Solution :

import \($\text{java}.$\)util.*;

public \($class$\) currency{

  public static \($\text{void}$\) main(String\($[]$\) args) {

      Scanner input \($=$\) new Scanner(System\($\text{.in}$\));

      System\($\text{.out.}$\)print("Enter \($\text{number of}$\) quarters:");

      int quarters = input.nextInt();

      System.out.print("Enter number of dimes:");

      int \($\text{dimes =}$\) input.nextInt();

      System\($\text{.out.}$\)print("Enter number of nickels:");

      int nickels = input.nextInt();

      System\($\text{.out.}$\)print("Enter number of pennies:");

      int \($\text{pennies = }$\) input.nextInt();

      // computing dollors

      double dollars = (double) ((quarters*0.25)+(dimes*0.10)+(nickels*0.05)+(pennies*0.01));

      System\($\text{.out.}$\)format("You have : $%.2f",dollars);

  }

}

The first of Henry Ford's three basic manufacturing principles was standardization.

This principle was to create a standard product design and manufacturing process to streamline production and increase efficiency. By standardizing the design and manufacturing process, Ford was able to produce a large number of identical products quickly and at a lower cost. This principle was key to the success of the Ford Model T, which was produced using the same standardized design and manufacturing process for nearly two decades.

This principle was applied to the design and production of the Model T, allowing a large number of identical vehicles to be produced quickly and at lower cost. By standardizing the design and production process, Ford was able to ensure that the Model T was produced efficiently and consistently, allowing it to become one of the most successful and recognizable automobiles of the 20th century.

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Answer:

Explanation:

The thermal resistance (R) of a layer of thickness d given in °C·m²·h/kJ is ...

  R = d/k

so the thermal resistances of the layers of furnace wall are ...

  R₁ = 0.200/4 = 0.05 °C·m²·h/kJ

  R₂ = 0.120 2.8 = 3/70 °C·m²·h/kJ

  R₃ = 0.05/0.25 = 0.2 °C·m²·h/kJ

  R₄ = 0.003/240 = 1.25×10⁻⁵ °C·m²·h/kJ

So, the total thermal resistance is ...

  R₁ +R₂ +R₃ +R₄ = R ≈ 0.29286 °C·m²·h/kJ

__

The rate of heat loss is ΔT/R = (1450 -90)/0.29286 = 4643.70 kJ/(m²·h)

__

The temperature drops across the various layers will be found by multiplying this heat rate by the thermal resistance for the layer:

  fire brick: (4543.79 kJ/(m²·h))(0.05 °C·m²·h/kJ) = 232 °C

so, the fire brick interface temperature at the common brick is ...

  1450 -232 = 1218 °C

For the next layers, the interface temperatures are ...

  common brick to magnesia = 1218 °C - (3/70)(4643.7) = 1019 °C

  magnesia to steel = 1019 °C -0.2(4643.7) = 90.06 °C

_____

Comment on temperatures

Most temperatures are rounded to the nearest degree. We wanted to show the small temperature drop across the steel plate, so we showed the inside boundary temperature to enough digits to give the idea of the magnitude of that.

Answer:

I can help you with your calculation.

To add and subtract angles in degrees, minutes, seconds (DMS) form, you need to follow these steps12:

Align the angles so that the degrees, minutes, and seconds are in the same column.

Add or subtract the seconds first. If the result is more than 60 or less than 0, adjust the minutes accordingly.

Add or subtract the minutes next. If the result is more than 60 or less than 0, adjust the degrees accordingly.

Add or subtract the degrees last.

Using this method, your calculation can be done as follows:

64º26’18’’ + 195º57’12,75’’ – 100º55’35’’ = 64º26’18’’ + 195º57’12.75’’ – 100º55’35’’ = 159º83’30.75’’ – 100º55’35’’ = 159º83’(30.75 - 35)’’ – 100º55’0’’ = 159º82’55.75’’ – 100º55’0’’ = 159º(82 - 55)’55.75’’ – 100º0’0’’ = 159º27’55.75’’ – 100º0’0’’ = (159 - 100)º27’55.75’’ = 59º27’55.75’’

Therefore, the answer is 59º27’55.75’’. I hope this helps!

Explanation:

Answer:

Draw up the contract for construction management.

Answer:

Work with construction management to solve specific problems as they arise.

Ensure compliance with safety standards.

Explanation:

We must first ascertain the responses at point C as a result of the applied load P. As a result of the frame being in equilibrium, all forces operating on it must be zero in total. Hence, we have

Equilibrium, which is characterised as motion without linear or rotational acceleration, requires the fulfilment of two requirements. The net external force acting on the system must be zero in order for equilibrium to occur, or net F to equal 0.

TAcos(30°) + TBcos(30°) = 0 when Fx = 0. (1)

TAsin(30°) + TBsin(30°) - 500 = 0 when Fy = 0. (2)

ΔL = αLΔT (3) (3)

Assuming that the temperature change is T = 50°C and that the wires are originally at room temperature (20°C), we have:

ΔL = αLΔT = 1210⁻⁶ ×L ×50 = 610⁻⁴ ×L (4)

Δθ = ΔL / r (5) (5)

We may calculate r using the geometry of the frame as follows: r = 2/3 ×L ×sin(30°) = 0.577×L (6)

Equation (5) is obtained by substituting equations (4) and (6).

Δθ = (6/10000) ×L² (7) (7)

TA = -TB(8), -TBsin(30°), + TBsin(30°), -500 = 0.

We can calculate TB as follows: TB = 500 / sin(30°) = 1000 lb (9)

Δθ = (6/10000) ×L² = (6/10000) ×(2/3 ×r / sin(30°)) 2 TA = EA ×/ L = EA ×(6/10000 ×r / sin(30°) × 2/3 × EA × ² / L

We derive the following by substituting the values of EA,, L, r, and T:

TA = 120 x 10 x 6 x 10 000 x 2 / 3 x 0.577 x L / sin(30°)

² / L ΔTA = 5.247 lb

Hence, TA = TB + TA = 1000 + is the tensile force in wire A.

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