(a) Calculate the heat flux through a sheet of steel that is 10 mm thick when the temperatures oneither side of the sheet are held constant at 300oC and 100oC, respectively.(b) Determine the heat loss per hour if the cross-sectional area of the sheet is 0.25 m2.(c) What will be the heat loss per hour if a sheet of soda-lime glass is used instead

Answer:

oof no bro

Explanation:

Answer:

Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop.

True

Explanation:

It has been established that most technicians, instead of overhauling the defective power steering pumps, prefer to install rebuilt or revamped pumps or even new pumps when they could have overhauled the unit themselves.  Some are afraid that leakage could occur again.  They are not confident enough to do the overhauling in-house or some claim that they do not have the time and other tools to carry out the overhauling.  Acknowledgedly, overhauling a power steering pump is not a job for the novice.  They require experienced and skilled hands to do the hard work.

Answer:

Explanation:

myth

The stage of saddle fusion that is completed when you remove the heater plate face and visually inspect the heated ends, then join the fitting and pipe is the "heating and fusing" stage.

During the heating and fusing stage of saddle fusion, the heater plate is placed between the ends of the fitting and pipe, and they are heated to their melting point. Once the ends are heated, the heater plate is removed, and the ends are visually inspected to ensure that they have melted and are ready for joining.

After the ends have been inspected, the fitting and pipe are joined together by applying pressure to the molten plastic and holding them in place until the plastic cools and solidifies. This completes the heating and fusing stage of the saddle fusion process.

It is important to note that proper technique and equipment are crucial during this stage to ensure a strong, leak-free joint. Improper heating or fusing can result in a weak or defective joint, which can lead to leaks, contamination, or other problems. Therefore, it is essential to follow established procedures and use appropriate equipment when performing saddle fusion.

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Answer:

You forgot the image and or example. I mean the answer could be anything right now.

The family should accept a minimum of Kshs.42,250,000.00 to avoid incurring a loss.

To obtain the total cost, the expenses for the land, trees and upkeep are summed up and subsequently reduced by 6. 5% using a discount rate.

Hence, it can be seen that a forced acquisition appraisal primarily focuses on three key factors: the land's market value, the expenses involved in replacing the property, and the potential harm caused to the owner's belongings.

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A pair of wires support a heavy painting. The tension in the wires is greater when they are not vertical.

This is because when the wires are vertical, the weight of the painting is evenly distributed between the two wires, so each wire only needs to support half of the weight. However, when the wires are not vertical, one wire will bear more weight than the other, causing the tension in that wire to increase. This is due to the fact that the weight of the painting creates a force that acts perpendicular to the wires, and the wire that is at a greater angle from the vertical will experience a greater component of this force. Therefore, the tension in the wire that is not vertical will be greater.

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Answer:

F=200kN

Explanation:

The values of sum1 and sum2 if the operands in the expressions are evaluated left to right are; sum1 = 46 and sum2 = 48

In computer programming, the term operand is defined as the object of a mathematical operation or it is the object or quantity that is operated on.

A) If the operands in the expressions are evaluated left to right, then the values of sum1 and sum2 are;

sum1 = (10/2) + 41 = 46

sum2 = 41 + (14/2) = 48

B) If the operands in the expressions are evaluated right to left, then the values of sum1 and sum2 are;

sum1 = (14/2) + 41 = 48

sum2 = 41 + (10/2) = 46

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Answer: Both technicians A and B

Explanation:

I took the pf test

Answer:

which class is this. I don't know sry

The frequency of the AC supply is 0.036 Hz.

We know that an alternating current circuit is the kind of circuit in which we do have the resistor in addition to the to the capacitor or the inductor or both as the case may be.

Here we are told that; A 32x10^-6 F capacitor is connected to a 60V AC supply in series with a 56 ohm resistor. The current flowing in the circuit is 0.16 A.

We can tell that the impedance of the circuit can be obtained by the use of the formula;

V = IZ

V = voltage

I = current

Z = impedance

Z = V/I

Z = 60 V/0.16 A

Z = 375 ohms

Then we have;

Z = √R^2 - XC^2

375 = √(56)^2 - (1/2 * 3.142 * f *  32x10^-6)^ 2

140625 = 3136 - (1/2 * 3.142 * f *  32x10^-6)^ 2

140625 -  3136  =  (1/2 * 3.142 * f *  32x10^-6)^ 2

137489 = 1/2 * 10^-4 f

137489 * 2 * 10^-4 f = 1

f = 1/137489 * 2 * 10^-4

f = 0.036 Hz

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The results of this experiment is d=0.0613ln.  The surface tension forces act as vertically upward.

Because water molecules are cohesive, surface tension can be described as the quality of a liquid's surface that permits it to resist an external force. Cohesive interactions between the molecules of the liquid cause the surface tension to form. The molecules have surrounding molecules on each side in the centre of the liquid. Because molecules are pulling on one another equally in all directions, there is no net force.

Write the expression for the steel rod's volume.

\(V=(\frac{pi}{4}d^{2})l\)

In this case, d and l stand for the steel rod's diameter and length, respectively.

Create the surface tension force's manifestation.

T=σl

Here, σ represents the surface tension.

The steel rod's weight expression must be actually written.

W=γV=γ\((\frac{pi}{4}d^{2})l\)

Two different forces will work on the steel rod to make it float in the water. One is the upward surface tension force acting on the rod from both sides, and the other is the downward weight force.

To find the expression for the diameter, apply the condition for the balance of forces along the vertical direction and insert the necessary expressions.

∑\(F_{V}\)=0T+T−W=02T=W2σl=γ\((\frac{pi}{4}d^{2})ld=\frac{8sigma}{piγ}\)

Take into account that the water is 600°F in temperature.

σ\(=5.03*10^{-3}\) lb/ft

Identify the water's surface tension at \(600\) degrees Fahrenheit.

To find the value of the steel rod's maximum diameter, substitute all the necessary values into the expression for the diameter.

\(d=0.0613\)in.

The typical paper clip will float in the water since its diameter is smaller than the steel rod's maximum diameter. As a result, the analysis is supported by the experiment's findings.

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The number of records revealed is 24.

To execute such an SQL query, the following codes must be run:

SELECT CustomerName, City, Country

FROM Customers

WHERE Country = "France"

OR Country = 'USA';

The "Structured Query Language" (SQL), abbreviated as SQL, is a computer language developed for managing data in a relational database management system or stream processing in a relational.

SQL, on the other hand, stands for Structured Query Language. SQL allows you to connect to and manipulate databases. SQL was adopted as an American National Standards Institute (ANSI) standard in 1986 and as an International Organization for Standardization (ISO) standard in 1987.

SQL tuning is the practice of optimizing SQL queries to increase server performance. Its overarching goal is to lower the time it takes a user to obtain a result after performing a query, as well as the number of resources necessary to process a query.

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Full Question:

The manager of the Purchasing department needs the phone number of the United Package shipper.

Create a query to pull only CustomerName, City, and Country fields for all customers from France or USA. How many records are returned?

The type of device that a person requesting assistance can use to connect directly to a telecommunicator is called a Call box. This is because a call box is an emergency call system that is used to contact the authorities or an emergency service dispatcher in case of an emergency. The correct option is D.

The Call box was initially used to report fires and crimes in progress, but it is now frequently used for non-emergency calls as well. This gadget is made up of an electronic circuit and is linked to an alarm centre, which then links the call to the relevant authorities. A person using a call box can contact a telecommunicator in the following ways:Introduction: A call box can be utilized to directly contact a telecommunicator. A call box is an emergency call system that is utilized to contact the authorities or an emergency service dispatcher in case of an emergency. Therefore, a call box is the type of device that a person requesting assistance can use to connect directly to a telecommunicator.

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If the graph is going upward in the right direction then the motion on the graph is "Forward Motion".

The angle of attack of a wing directly controls the C) distribution of pressures acting on the wing.

When the angle of attack of a wing is increased, the air moving over the curved upper surface of the wing must travel a greater distance and faster than the air moving beneath the wing's flat lower surface. This creates an area of lower air pressure above the wing and an area of higher air pressure beneath the wing, resulting in lift. The greater the angle of attack, the greater the lift produced.

However, if the angle of attack is too great, the airflow over the wing may separate, causing a loss of lift and potentially leading to a stall. Therefore, proper control of the angle of attack is crucial for safe and efficient flight.

Option C is answer.

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A project is meant to achieve clearly defined goals within present constraints

The correct option for the source of work in a project which is NOT a source of authorized work to be performed is option (a)

a. Scope creep

The reason for the selecting the above option is as follows;

In project management, alongside work planned in a work package, authorized work to be performed can come from;

A scope creep, however, is generally is due to the inclusion of the end

users of the project at a time that is behind schedule, insufficient analysis of

the requirements, and project complexity underestimation. and consists of

changes made after a project has commenced

A scope creep therefore, changes the amount of work to be done which

therefore alters the project timeline, and due to project, budgetary, and

end user constraints, CANNOT be a source of authorized work to be

performed

The correct option for the source that is NOT a authorized work to be performed is option a. Scope creep

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Answer: This spark energy trigger ignition and combustion in the compressed air-fuel mixture. This discharge is of extremely brief duration (about 1/1000 of a second) and is extraordinarily complex!

-Your Welcome-

Answer:

This spark energy trigger ignition and combustion in the compressed air-fuel mixture. This discharge is of extremely brief duration (about 1/1000 of a second) and is extraordinarily complex.

The square feet coverage of a gallon of primer may vary depending on the quality of the primer and the porosity of the surface being primed. On average, a gallon of primer can cover approximately 200-300 square feet. However, it is always best to consult the manufacturer's instructions for the specific primer being used as it will provide a more accurate estimate of coverage.

Generally, when buying paint or primer, it is important to know the coverage area to ensure that you purchase enough to cover the entire surface adequately. Factors such as the number of coats, the thickness of the coat, and the method of application will all play a role in determining the coverage area. For example, using a roller instead of a brush may result in a more even application and, therefore, use less primer. Furthermore, it is important to keep in mind that using too little primer may result in uneven coverage and may not provide adequate protection against moisture and other environmental factors.

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An improvement of an existing technological product, system, or method of doing something is known as innovation.

Innovation is the process of creating new or improved products, services, processes, or ideas that benefit an organization or society. It involves introducing new ideas, methods, and products, or improving existing ones. Innovation can include a wide range of activities, such as research and development, technology transfer, and commercialization. In a business setting, it often involves introducing new products and services, developing new processes, and improving the efficiency of existing ones. Innovation can also involve introducing new ways of working, such as customer service, marketing, and analytics. Ultimately, innovation helps organizations remain competitive and achieve success.

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2,400 volt-amperes (20 x 120 = 2,400) can be carried by a 20-ampere, 120-volt branch circuit. A 20-amp branch circuit can support a maximum of three devices (2,400 x 750 = 3.2 = 3).

Each outlet for a heavy-duty lamp holder must be estimated at a minimum of 600 volt-amperes in line with Section 220.14(E). Multiply 600 volt-amperes by 125 percent because the load is continuous (600 x 125 percent Equals 750 volt-amperes). 2,400 volt-amperes (20 x 120 = 2,400) can be carried by a 20-ampere, 120-volt branch circuit. A 20-amp branch circuit can support a maximum of three devices (2,400 x 750 = 3.2 = 3). For 16 outlets with heavy-duty lamp holders, six 20-ampere branch circuits are needed.

An inaccurate result can be obtained by first determining the total volt-amperes of all the heavy-duty lamp holders and then dividing that number by the number of volt-amperes in each 20-ampere branch circuit. For instance, 16, multiplied by 600 volt-amperes, is 9,600 volt-amperes (16, multiplied by 600 = 9,600 volt-amperes). Due to the continuous nature of the load, multiply 9,600 volt-amperes by 125 percent (12,000 volt-amperes from 9,600 volt-amperes).

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In order to design an oar that is lightweight, stiff, and tough, there are several material properties that should be investigated. These include density, elasticity, tensile strength, and durability.

Firstly, density is an important factor to consider as a lightweight material would be desirable to reduce the overall weight of the oar. Materials with a low density such as carbon fiber, fiberglass, and aluminum would be good candidates to investigate.

Secondly, elasticity or stiffness is also a critical property to consider as a stiff material would provide more power and control during rowing. Materials such as carbon fiber and fiberglass have high stiffness and would be suitable for the oar design.

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Door lock makers may have up to 20,000 potential cylinder key and door lock pairings, but they may spread the same combinations broadly because to the extremely low possibility of two persons with the same key and door lock combos meeting.

Cylinder keys are a type of lock that employs a key to rotate the lock cylinder and unlock the latch or bolt. They are also known as cylinder locks or pin-tumbler locks.

The key includes pins of varying lengths that correspond to the pins in the lock cylinder. When the right key is inserted, the key's pins align with the pins in the cylinder, allowing the cylinder to revolve and freeing the latch or bolt. Cylinder keys are often used on doors, cabinets, and other locks that require a key to be locked. They provide great security and are resistant to manipulation and picking.

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Answer:

Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing.

There are many abbreviations common to the vocabulary of people who work with engineering drawings in the manufacture and inspection of parts and assemblies.

Technical standards exist to provide glossaries of abbreviations, acronyms, and symbols that may be found on engineering drawings. Many corporations have such standards, which define some terms and symbols specific to them; on the national and international level, like BS8110 or Eurocode 2 as an example.

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The statement is false. When providing transcutaneous pacing, the appearance of wide QRS complexes and tall, broad t waves after each pacing spike confirms that mechanical capture has been achieved.

A combination of the Q surge, R surge and S surge, the “ QRS complex ” represents ventricular depolarization. This term can be confusing, as not all ECG leads contain all three of these swells; yet a “ QRS complex ” is said to be present anyhow.

For illustration, the normal QRS complex in lead V1 doesn't contain a Q surge — only a R surge and S surge but the combination of the R surge and S surge is still appertained to as the QRS complex for this lead.

The normal duration( interval) of the QRS complex is between 0.08 and 0.10 seconds — that is, 80 and 100 milliseconds. When the duration is between 0.10 and0.12 seconds, it's intermediate or slightly dragged . A QRS duration of lesser than 0.12 seconds is considered abnormal. The QRS duration will outstretch when electrical exertion takes a long time to travel throughout the ventricular myocardium. The normal conduction system in the ventricles is called the His- Purkinje system and consists of cells that can conduct electricity relatively fleetly.

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