T/F: When sharpening slitting saws, the toothrest is mounted on the swivel table, because it is necessary to hold the cutter in a fixed position to grind each tooth.

In a potential-type starting relay, the contacts are normally closed.What is a potential-type starting relay?Potential-type starting relays are devices used to initiate the running of electric motors. It works by connecting the starter winding to the power supply through the starting relay contacts.

These relays operate based on the voltage supplied across the starting winding of the motor.The potential relay is designed with a start capacitor in series with the relay coil and the starting winding. It has two sets of contacts: the starting contacts and the running contacts. The starting contacts are responsible for making the connection between the capacitor and the starting winding for a specified time during the start-up process. The running contacts, on the other hand, remain open during the starting process.

What does it mean when the contacts in a potential-type starting relay are normally closed?In potential-type starting relays, the contacts are normally closed. This means that the contacts are in a closed state when the relay is in a de-energized state. During the starting process, the relay coil is energized, which causes the contacts to open, disconnecting the start capacitor from the winding. Once the motor starts running, the relay coil is de-energized, and the contacts return to their normally closed state, ready to start the motor again when required.In conclusion, the contacts in a potential-type starting relay are normally closed when the relay is in a de-energized state.

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Tech B is correct because his statement accurately reflects the diverse nature of atoms regarding their electron transfer capabilities.

Tech B is correct in stating that not all atoms can easily give up or accept electrons. The ability of an atom to gain or lose electrons depends on its atomic structure and the distribution of its electrons in the outermost energy level, known as the valence shell.

Atoms strive to achieve a stable electron configuration typically by obtaining a full valence shell with eight electrons (the octet rule), which is more stable. The elements with fewer than four or more than four valence electrons are typically more reactive as they either tend to gain or lose electrons to achieve a stable configuration.

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A movement that I am familiar is  a religious movement known as Heavenly conscious movement and the things i want them to gain additional knowledge about a performance on:

A movement is known to be one that make use of  planning as well as unpredictability. The movement is one that is given identity, leadership, as well as  coordination by one or more organizations.

Therefore, A movement that I am familiar is  a religious movement known as Heavenly conscious movement and the things i want them to gain additional knowledge about a performance on:

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Hazmat workers may be required for construction issues involving:

Hazmat workers are trained to handle hazardous materials safely and effectively. In construction, they help to remove materials that are dangerous to workers and the environment.

Asbestos, radioactive waste and lead are dangerous. These workers are trained to safely remove these materials and dispose of them properly. Other hazardous materials such as biologicals or sheet metal requires specialized workers depending on extent of the hazard.

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The recognized national standard in the United States for safety in welding is known as the American National Standards Institute/American Welding Society (ANSI/AWS) Z49.1, Safety in Welding, Cutting, and Allied Processes.

ANSI/AWS Z49.1 is a safety standard established jointly by the American Welding Society (AWS) and the American National Standards Institute (ANSI).

It specifies procedures and methods for safely welding, cutting, and other allied processes.

The standard outlines general safe practices for all welding operations, as well as specific requirements for welding and cutting particular types of materials. It also defines personnel safety and training, protective equipment, ventilation, and other safety requirements for welding processes

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The recognized national standard in the United States for safety in welding. It provides a comprehensive guide to safe welding operations, including requirements for welding procedures, protective equipment, and personnel qualifications.

Welding is the procedure of joining two metals together by heating them to a melting point and joining them by pressing, hammering, or rolling the metals together when they cool and solidify.

Welding is a prevalent industrial operation that can pose significant health and safety hazards to welders and others nearby, such as skin burns, eye damage, inhalation of fumes and gases, and hearing loss. Many safety precautions are needed to avoid these risks.The American National Standard Institute (ANSI) is a national organization that sets rules and standards for a variety of products and services, including welding safety.  It details the guidelines and best practices for safe welding operations to prevent harm to welders, bystanders, and the environment.

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Car engines operate based on the mechanical work done by expanding gases. To compute the total amount of work done, the pressure of the surroundings is multiplied by the change in the volume of the gas during expansion. This is known as PV work.

PV work or pressure-volume work refers to the work done by gases. Gases can work through compression or expansion against constant external pressure. For instance, suppose a gas is contained in a piston. When the gas is heated, energy is added to the gas molecules, increasing the average kinetic energy of the molecules. With the faster movement of gas molecules, their collision with the piston occurs more frequently. Ultimately, these increasingly frequent collisions become a cause of transferring energy into the piston and moving it against external pressure. As a result the overall volume of the gas increase. This example presents a scenario where the gas has done work on the surroundings, which involves the piston and the rest of the universe.

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In the 2's-complement system, when performing operations using eight bits (including the sign bit), the following results are obtained:

(g) Subtract +47 from +47: The result is 0.

(a) Add +9 to +6: The result is +15.

(b) Add +14 to -17: The result is -3.

(h) Subtract -36 from -15: The result is +21.

(c) Add +19 to -24: The result is -5.

(i) Add +17 to -17: The result is 0.

(d) Add -48 to -80: The result is -128.

(i) Subtract -17 from -17: The result is 0.

(e) Subtract +16 from +17: The result is +1.

(k) Add +68 to +45: The result is -99.

(f) Subtract +21 from -13: The result is -34.

(1) Subtract -50 from +77: The result is -127.

In the 2's-complement system, positive numbers are represented as themselves, while negative numbers are represented by taking the 2's complement of their positive counterparts. When adding or subtracting numbers, we perform the operations as usual, taking care of any carry or borrow.

However, in this system, overflow can occur if the result exceeds the range that can be represented with the given number of bits. Overflow occurs when the sign of the result doesn't match the sign of the operands. It is indicated by a carry-out or borrow-out from the leftmost bit.

For the provided operations, we can see that the results can vary from 0 to negative or positive values depending on the inputs. In some cases, such as subtracting equal numbers or adding a number to its negative counterpart, the result is always 0. In other cases, we obtain positive or negative values based on the arithmetic performed.

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Answer:

5.6 mm

Explanation:

Given that:

A cylindrical tank is required to contain a:

Gage Pressure P = 560 kPa

Allowable normal stress \(\sigma\) = 150 MPa = 150000 Kpa.

The inner diameter of the tank = 3 m

In a closed cylinder  there exist both the circumferential stress and the longitudinal stress.

Circumferential stress \(\sigma = \dfrac{pd}{2t}\)

Making thickness t the subject; we have

\(t = \dfrac{pd}{2* \sigma}\)

\(t = \dfrac{560000*3}{2*150000000}\)

t = 0.0056 m

t = 5.6 mm

For longitudinal stress.

\(\sigma = \dfrac{pd}{4t}\)

\(t= \dfrac{pd}{4*\sigma }\)

\(t = \dfrac{560000*3}{4*150000000}\)

t = 0.0028  mm

t = 2.8 mm

From the above circumferential stress and longitudinal stress; the stress with the higher value will be considered ; which is circumferential stress and it's minimum value  with the maximum thickness = 5.6 mm

Explanation:

The term refrigeration means cooling a space, substance or system to lower and/or maintain its temperature below the ambient one (while the removed heat is rejected at a higher temperature). In other words, refrigeration is artificial (human-made) cooling.

Refrigeration, is the act of removing undesirable heat from one thing, substance, or space and transferring it to another object, substance, or space.

Refrigeration refers to the process of chilling an area, material, or system in order to decrease and or keep its temperature below that of the surrounding environment.

Refrigeration, sometimes known as chilling, is the act of removing undesired heat from one item, substance, or area and transferring it to another.

The temperature can be lowered by using ice, snow, cooled water, or mechanical refrigeration to remove heat.

Hence,refrigeration, is the act of removing undesirable heat.

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Answer:

thrust washer

can be used to eliminate rubbing friction of wheel touching frame

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Answer:

b. False

Explanation:

A centimeter is a hundredth of a meter. This means 1/100 ,1 cm = 0.01 m

A kilo is 1000 grams.

The first answer is false because a hundredth isnot written well.

The second statement is false because the comparison given is of different units of measure. For distance is meters where as for weight is kilograms.

Answer: Increase in minimills

Explanation:

Answer:

it is reducely very iloretable chance for a software engineer to give an end to this question

Because it can be dangerous to leave action queries in the Navigation Pane, you can hide an action query you want to run again. Therefore, the correct option is (d) Hide.

Because it can be dangerous to leave action queries in the Navigation Pane, you can choose to "hide" an action query you want to run again.

By hiding the query, you can prevent accidental execution and minimize the risk of unintended consequences.

Hiding an action query removes it from the view in the Navigation Pane, making it less accessible and reducing the likelihood of accidental execution.

This precautionary measure is especially important when dealing with queries that modify data or perform irreversible actions.

By hiding the query, you can ensure that it remains in the database for future use but is not readily visible or prone to accidental execution, providing an extra layer of safety.

Therefore, the correct option is (d) Hide.

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Answer:

The meole fraction of acetone in the outlet liquid is \(x_1 = 0.0072\)

Explanation:

1.

The schematic diagram to represent this process is shown in the diagram attached below:

2.

the mole fraction of acetone in the outlet liquid is determined as follows:

solute from Basis Gas flow rate \(G_s = 10(1-0.012) =9.88 kmol/hr\)

Let the entering mole be :\(y_1 = 1.2\) % = 0.012

\(y_1 =(\dfrac{y_1}{1-y_1})\)

\(y_1 =(\dfrac{0.012}{1-0.012})\)

\(y_1 =0.012\)

Let the outlet gas concentration be \(y_2\) = 0.1% = 0.001

\(y_2 = 0.001\)

Thus; the mole fraction of acetone in the outlet liquid is:

\(G_s y_1 + L_s x_2 = y_2 L_y + L_s x_1\)

\(9.88(0.012-0.001)=15*x_1\)

\(9.88(0.011) = 15x_1\)

\(x_1 = \dfrac{0.10868}{15}\)

\(x_1 = 0.0072\)

The mole fraction of acetone in the outlet liquid is \(x_1 = 0.0072\)

The running time of the algorithm is O(N^4), because there are four nested loops, each of which runs for N iterations.

(a) Define the entries of your table in words:

T(i, j, k) is the minimum total cost of a flight schedule that gets you from city i to city j in exactly k days.

(b) State recurrence for entries of table in terms of smaller subproblems:

T(i, j, k) = min { T(i, l, k-1) + c[l][j] } for all l in {1, ..., N}

This means that the minimum total cost of a flight schedule from city i to city j in exactly k days is the minimum of the total cost of a flight schedule from city i to city l in k-1 days plus the cost of a direct flight from city l to city j, for all possible intermediate cities l.

(c) Write pseudocode for your algorithm to solve this problem:

```
// Initialize the table with infinity for all entries
for i in {1, ..., N}:
 for j in {1, ..., N}:
   for k in {1, ..., N}:
     T(i, j, k) = infinity

// Base case: the cost of a direct flight from city i to city j in 1 day is c[i][j]
for i in {1, ..., N}:
 for j in {1, ..., N}:
   T(i, j, 1) = c[i][j]

// Fill in the table using the recurrence
for k in {2, ..., N}:
 for i in {1, ..., N}:
   for j in {1, ..., N}:
     for l in {1, ..., N}:
       T(i, j, k) = min(T(i, j, k), T(i, l, k-1) + c[l][j])

// The answer is the minimum total cost of a flight schedule from city u to city v in at least minDays days
answer = min { T(u, v, k) } for all k in {minDays, ..., N}
```

(d) Analyze the running time of your algorithm:

The running time of the algorithm is O(N^4), because there are four nested loops, each of which runs for N iterations.

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Answer: hello the diagram related to your question is missing please the third image is the missing part of the question

Fx = 977.76 Ib/ft

Explanation:

Estimate the force that water exerts on the pier

V = 12 ft/s

D( diameter ) = 6 ft

first express the force  on the first half of the cylinder  as

Fx1 =  - \(-2\int\limits^\pi _\frac{\pi }{2} {Ps*cos\beta *a} \, d\beta\)   ---------------- ( 1 )

where ; Fy = 0

Ps = Po + 1/2 Pv^2 ( 1 - 4 sin^2β )  ------------- ( 2 )

Input equation (2)  into equation ( 1 )         (note :  assuming Po = 0 )

attached below is the remaining part of the solution

Answer:

Sole Proprietorship, General Partnership , Limited Partnership, corporation

Explanation:

Business in something that an individual or a group of people do for a living and produce products and services that benefits the society and the people. There are several entities that can be common in business. Some common form of entities are :

Sole Proprietorship : One to one

-- here there is only one owner in the business and he maintains and manages the entire business functions under his control.

Limited Partnership : many to one

-- here two or more than two partners establish business and runs it but only one or more is liable to the amount of the investments.

General Partnership : many to many

-- It is a business partnership where all the partners shares the profits, the assets, legal liabilities and financial liabilities, etc.

Corporation : many to one

It is a business entity where a group of individual or a group of companies run a single business which is generally authorized by the state.

Some of the typical types of the entities that one may think to be common in term of the business entities are about the relationships that are held within many to many and one to many.

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Draw isometric projection Spatial axes of the item are represented as similarly willing to the drawing floor and same distances alongside the axes are drawn the same.

Definition of isometric projection an axonometric projection wherein the 3 spatial axes of the item are represented as similarly willing to the drawing floor and same distances alongside the axes are drawn same.

An isometric view of an item may be received via way of means of selecting the viewing path such that the angles among the projections of the x, y, and z axes are all of the same, or 120°. For example, with a cube, that is achieved via way of means of first searching immediately toward one face.

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Scientists use a variety of methods to learn about the layers deep inside Earth. One way is by studying seismic waves, which are waves of energy that travel through the Earth's interior during earthquakes.

By analyzing how seismic waves behave as they pass through different layers of the Earth, scientists can infer the composition and properties of each layer. Another way is by examining rocks and minerals that have been brought to the surface by volcanic activity or mountain building. By analyzing the composition of these rocks, scientists can learn about the deeper layers from which they originated. Additionally, scientists use computer models and simulations to study the behavior and composition of the Earth's interior.

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Answer:

0.320

Explanation:

Productivity is measured as the total output divided by total input.

From the given information, the output is taken into consideration when we finish subtracting the defective materials.

The labor hours usually regarded as the input = 7 hours per day × 5 = 35

For the prior productivity, we have:

\(\mathbf{Prior \ Productivity = \dfrac{60 - 10}{35}}\)

\(\mathbf{Prior \ Productivity = \dfrac{50}{35}}\)

\(\mathbf{Prior \ Productivity = 1.43}\)

For the current productivity:

\(\mathbf{current \ productivity= \dfrac{70-4}{35}}\)

\(\mathbf{current \ productivity= \dfrac{66}{35}}\)

\(\mathbf{current \ productivity= 1.89}\)

Thus, the growth rate i.e. the increased change in  productivity is:

\(= \dfrac{1.89 - 1.43}{1.43}\)

= 0.320

Answer: Maybe A

Explanation:

A is the correct answer

hope it helps u

branliest?

The key to using organization to improve productivity is to establish clear systems, prioritize tasks, and create an environment that supports efficient work processes.

One way to use organization to improve productivity is by separating tasks instead of grouping them.

By breaking down your workload into smaller, manageable tasks, you can prioritize and focus on one task at a time, leading to increased efficiency and productivity.

This approach helps prevent overwhelm and allows you to allocate your time and energy effectively.

Another way is to organize your brain, workspace, and time. This involves maintaining a clear and organized mindset, decluttering and arranging your physical workspace for easy access to resources and tools, and managing your time efficiently.

By creating a structured and organized environment, you can reduce distractions, streamline your workflow, and optimize your productivity.

However, it's important to note that organizing by multi-tasking may not always be the most effective approach.

Research suggests that multi-tasking can actually decrease productivity and lead to errors and distractions. Instead, focusing on one task at a time and giving it your full attention can yield better results.

Lastly, spreading important items and tools out can also improve productivity.

By strategically placing frequently used items within reach and organizing them in a logical manner, you can minimize time spent searching for things and enhance your workflow.

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1. Total Number of Employees in Aircraft Repair Shop = Number of People in Engine Overhaul + Number of People in Aircraft Overhaul + Number of People on Engine Operational Checks + Number of People on Airframe Operation Checks + Number of Inspectors + Number of Welders + Number of Foreman= 12 + 27 + 8 + 4 + 3 + 2 + 1= 57 employees.

2. The weight of an empty Boeing 747 is 300000 pounds, fuel load is 25 tons = 50,000 pounds, 300 passengers with an average weight of 170 pounds = 51,000 pounds, 40000 pounds of cargo = 40000 pounds

. So, Gross Weight of Aircraft = Empty Weight + Fuel Load + Passengers Weight + Cargo= 300000 + 50000 + 51000 + 40000= 441,000 pounds.

3. The diameter of the drilled hole is 1.250 inches, so the diameter of the bolt for the hole should be 1.250 inches – 0.003 inches = 1.247 inches.

4. Each tire will have 9 bolts, 1 nut, and 2 washers.

As per the given data, there are 85 bolts, 50 nuts, and 100 washers which can be reused.

Therefore, the total number of bolts, nuts, and washers required for 20 tires are:

Bolts required for 20 tires= Total number of bolts required – bolts which can be reused= (20 × 9) – 85= 35 nuts required for 20 tires= Total number of nuts required – nuts which can be reused= (20 × 9) – 50= 100 washers required for 20 tires= Total number of washers required – washers which can be reused= (20 × 9 × 2) – 100= 260.

So, 35 bolts, 100 nuts, and 260 washers will have to be issued from stock.

5. The piece of tubing of 18 inches is cut into 4 pieces. The saw cut is 1/16 inch wide. So, 4 saw cuts are 4 × 1/16 = 1/4 inch. The total length of the pieces after cutting = 3 + 2 + 6 + 1/4= 11.25 inches.

Therefore, the length of the remaining piece of tubing = 18 – 11.25= 6.75 inches.

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In the radio communication system, multipath is the propagation phenomenon that causes diffusion or reflection in multiple different directions of a signal.

Multipath is a propagation mechanism that impacts the propagation of signals in radio communication. Multipath results in the transmission of data to the receiving antenna by two or more paths. Diffusion and reflection are the causes that create multiple paths for the signal to be delivered.

Diffraction occurs when a signal bends around sharp corners; while reflection occurs when a signal impinges on a smooth object. When a signal is received through more than one path because of the diffraction or reflection, it creates phase shifting and interference of the signal.

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Answer: using rapid prototyping

Explanation:

The compression ratio of the engine is 1000/545 or approximately 1.83, the pressure after compression is 31.2 atm, and the theoretical maximum efficiency of the engine is 62%.

The compression ratio can be calculated using the formula:
Compression ratio = (volume before compression) / (volume after compression)

Assuming that the volume of the cylinder before compression is V1, and the volume after compression is V2, we can use the ideal gas law to calculate the volumes:

V1 = (nRT1) / P1
V2 = (nRT2) / P2

Where n is the number of moles of air, R is the ideal gas constant, and T1 and T2 are the initial and final temperatures, respectively.

Using the given values, we can calculate:

V1 = (nRT1) / P1 = (n * 0.0821 * 545) / 1 = 44.4n
V2 = (nRT2) / P2 = (n * 0.0821 * 1000) / P2

The compression ratio is therefore:

Compression ratio = V1 / V2 = (44.4n) / ((n * 0.0821 * 1000) / P2) = 0.054P2

Solving for P2, we get:

P2 = (Compression ratio) / 0.054 = (1000 / 545) / 0.054 = 31.2 atm

The theoretical maximum efficiency of the engine can be calculated using the formula:

Efficiency = 1 - (1 / Compression ratio)^(γ-1)

Where γ is the ratio of specific heats for air, which is approximately 1.4.

Using the given values, we get:

Efficiency = 1 - (1 / Compression ratio)^(γ-1) = 1 - (1 / (1000 / 545))^(1.4-1) = 0.62 or 62%

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The dynamic viscosity of the oil in poise is 13.625 pois

The kinematic viscosity of the oil in strokes is 14.34

F viscous is given as n*  ΔFr / Δy

where n = F * Δy / A * ΔVn

We have to define the terms of the formula

Δy = 12.5 x 10⁻³

ΔVr = 2.5m /s

A = 60 x 60 cm² = 0.36m

F = 98.1 n

We have to put the values in the formula

98.1 n *  12.5 x 10⁻³ /  0.36m * 2.5m /s

n = 1.3625  ns / m²

The kinematic viscosity of the oil in strokes if the specific gravity of the oil is 0.95

y = n / e

n =  1.3625  

e = 0.95 x 10³

y = 1.3625  / 0.95 x 10³

= 1.434 x 10⁻³

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