A hot plate with a temperature of 60 C, 50 triangular profile needle wings of length (54 mm), diameter 10 mm (k = 204W / mK) will be added and cooled. Ambient temperature is 20 C and heat transfer coefficient is 20 Since it is W / m2K; a-) Wing efficiency, b-) Total heat transfer rate (W) from the wings, c-) Calculate the effectiveness of a wing.

Answer:

Used to recall the direction a standard screw

The version of the dynamic routing protocol RIP (Routing Information Protocol) that is supported on Windows Server 2012/R2 is version 2 (RIPv2).

This version is an improvement over the previous version (RIPv1) as it includes support for classless inter-domain routing (CIDR) and allows for variable-length subnet masks (VLSM).

RIPv2 is a distance-vector routing protocol that allows routers to dynamically exchange routing information with other routers. It uses hop count as its metric for determining the best path to a destination network. RIPv2 is still widely used in small to medium-sized networks and is particularly useful for networks with a relatively simple topology.

Windows Server 2012/R2 includes built-in support for RIPv2 as a routing protocol. To configure RIPv2 on Windows Server 2012/R2, you can use the Routing and Remote Access (RRAS) console, which is included with the operating system.

In conclusion, if you are looking to implement dynamic routing using RIP on Windows Server 2012/R2, you should use RIPv2. It is an efficient and widely supported protocol that will allow your routers to dynamically exchange routing information and optimize their paths to destination networks.

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The term data type can be used interchangeably with what other term is Object.

Sequence of data types represents an ordered collection of values. set of data types represents an unordered collection of unique values. All Python data types are immutable. False Python is dynamically typed, meaning each variable can only store one type of value. False The Python type conversion functions are actually what kind of functions. Object constructors Reorder the terms on the left to match the descriptions on the right. bool: A true or false value. str: A character string. dict: An unordered collection of key/value pairs. int: A whole number. tuple: An immutable list of values. set: An unordered collection of unique values. list: A list of values.

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Answer: true

Explanation:

The neutral wire in a cable can be used as an ungrounded conductor when supplying power to a switch, but not as a return conductor from the switch to the outlet.

The neutral wire in a cable is typically used as a return path for current in a balanced electrical system. When supplying power to a switch, the neutral wire can be utilized as an ungrounded conductor because it carries the current from the source to the switch, allowing the switch to control the flow of electricity. In this case, the neutral wire acts as the "hot" wire carrying the current to the switch.

However, when it comes to the return path from the switch to the outlet, the neutral wire should not be used as the return conductor. This is because the neutral wire is designed to carry the imbalance of current between the two "hot" wires (in the case of a 120/240V system) or between phases (in the case of a three-phase system). Using the neutral wire as a return conductor could potentially lead to an unbalanced load and unsafe conditions.

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In migrationist and diffusionist explanations of the past, a "people" is defined as a group of individuals who share a common cultural heritage, ancestry, language, or geographic origin.What is migrationism?Migrationism refers to a school of thought that asserts that cultural and technological progress are propelled by the migration of people and ideas.

When people migrate to new locations, they bring their culture and knowledge with them, allowing it to spread to new areas. Migrationism is linked to the concept of cultural diffusion, which refers to the spread of cultural elements, including religious and artistic ideas, from one culture to another.Migrationists believe that human civilization is constantly changing, evolving, and developing, with new ideas and innovations emerging as a result of human movement and interaction. This perspective acknowledges that societies are often formed and modified by external influences, including the migration of people from other cultures and geographic regions.

\What is diffusionism?Diffusionism, also known as cultural diffusionism, is the view that cultural elements, including religious and artistic ideas, originate from a single source and then spread to other cultures, often through trade, migration, and other forms of contact. According to diffusionism, all cultures can trace their origins back to a few ancient civilizations, such as those of Egypt, Greece, or China.Diffusionism was popular in the early twentieth century, particularly among anthropologists and archaeologists. However, its simplistic explanations for the origin and spread of cultural elements have been widely criticized.

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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 calculated mean value is 16. The sum of all values divided by the total number of values determines the mean (also known as the arithmetic mean, which differs from the geometric mean) of a dataset.

The term "average" is frequently used to describe this measure of central tendency. By dividing the sum of the given numbers by the entire number of numbers, the mean—the average of the given numbers—is determined. Mean is equal to (Sum of All Observations/Total Observations).

Mean=12+15+17+20/4

=16

Special road signage designate 10-cent zones. At the beginning and finish of the zone, there are signs. There is one space available for as long as three or four hours each day. Only specific hours of the day are subject to the 10 cent rate. There may be a Blue Zone in locations where paid parking is not (yet) in effect.

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The bandwidth of a good crystal lattice filter for single-sideband phone emissions would typically be around 2.1 kHz.


The bandwidth of the filter is determined by the number of poles (or stages) in the filter and the cutoff frequency of each stage. A good crystal lattice filter for single-sideband phone emissions would typically have a cutoff frequency of around 2.7 kHz and 8-10 poles, resulting in a bandwidth of around 2.1 kHz.

Crystal lattice filters are used in SSB communication systems to narrow down the bandwidth and provide a better signal-to-noise ratio. The ideal bandwidth for SSB phone emissions varies depending on the specific application and desired audio quality. A range of 2.1 kHz to 2.9 kHz is commonly used, with 2.4 kHz being a typical value for many systems.

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Military glorification through mosaics, relief carvings and triumphant arches are often associated with roman architectural monument and is the correct choice.

This can be defined as a structure which is usually large and is used to commemorate the history of an influential person. This helps to serve as an example and also a reminder as to why the performance of good deeds are important

The use of military glorification through mosaics, relief carvings and triumphant arches were also often used by the Romans in other to commemorate war victories and the succession of a new ruler which is known as the emperor.

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Answer:

C. 14.55

Explanation:

12 x 10 = 120

120 divded by 10 is 12

so now we do the left side

7 x 3 = 21 divded by 10 is 2

so now we have 14

and the remaning area is 0.55

so 14.55

Industrial fixed staircases must be at least 22 inches wide.

The minimum permitted by most construction rules, staircases in America are normally 36 inches wide. There is still enough space to allow for railings, which can take up a few inches, even when not all 36 inches are used.

For one-way traffic, stairways must be 0.90 meters wide, and for two-way traffic, they must be 1.50 meters wide. The riser and tread distances for indoor stairs should be 0.28 m and 0.35 m, respectively. The maximum riser and minimum tread sizes for outdoor stairs should be 0.15 m and 0.30 m, respectively.

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Answer:

A cost is something you have to give up or sacrifice and a benefit is something that is gained or is helpful.

Explanation:

In a cost-benefit analysis of a system, an engineer is to simply look at the requirements for the system and determine the costs to build the system, both in financial value and energy value.  Additionally, the engineer needs to determine the benefits that would come from choosing a particular path of cost.  If the benefits outweigh the cost for the project, then the solution is accepted.  Else, the cost outweighs the benefit and the solution is rejected.

Answer:

the answer is D

Explanation:

i took the test

Adhered ceramic veneer has a thickness of less than 1 inch. Thus, option D is correct.

the width of the wall is 21 3/8 = 171/8

the width of a tile is 4 1/2 = 9/2

so the number of tiles is

(171/8) / (9/2) = 171x2 / (9 x8) = 4.75

so the no of tiles needed is 5.

The numbers of large bowl sold at the fair is 20

Data;

Total bowl sold = 32

Total amount made = $916

Cost of small ceramic bowl = $18

Cost large bowl = $35

System of Equation

To solve this problem, we need to write system of equations for this.

Let x represent the numbers of small ceramic bowl

let y represent the numbers of large ceramic bowl

We want to simplify:

102 * 4 - 3(8 * 8 * 1)

We will apply BODMAS:

Solving the Bracket first:

102 * 4 - 3(64)

102 * 4 - 192

=> 408 - 192

= 216 cubic inches

He will need 216 cubic inches of packing foam.

Therefore, Adhered ceramic veneer has a thickness of less than 1 inch. Thus, option D is correct.

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The velocity gradient is a measure of the intensity of mixing within the tank. It is usually expressed in units of inverse seconds \((s^{-1})\).

To determine the tank dimensions, detention time, and velocity gradient for a rapid mixing unit, we need additional information. Specifically, we need to know the desired detention time and the velocity gradient requirement for the application. Without this information, it is not possible to calculate these parameters accurately.

1. Tank Dimensions:

To determine the tank dimensions, the required detention time and the flow rate of the raw water are needed. The tank volume can be calculated using the formula:

Tank Volume = Flow Rate * Detention Time

Assuming a circular tank shape, the tank dimensions (diameter and height) can be determined based on the calculated volume and considering practical design considerations.

2. Detention Time:

The detention time is the desired time that the water spends in the tank for effective treatment. It is typically determined based on the treatment objectives and the characteristics of the water being treated.

3. Velocity Gradient:

The velocity gradient is a measure of the intensity of mixing within the tank. It is usually expressed in units of inverse seconds  \((s^{-1})\). The velocity gradient is calculated using the formula:

Velocity Gradient = (2 * π * N * U) / H

where N is the rotational speed of the mixer, U is the velocity of the mixer, and H is the height of the tank.

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Answer:

  Research the company

Explanation:

It is a good idea to find out information about the company you are interviewing. Among other things, this will help you decide if you actually want to work for that company.

Telling your current boss can be risky to your job. A new outfit may be helpful for certain positions--especially those where manner of dress is important. Finishing school may or may not be an important requirement for the position you're seeking. Your company research will tell you.

Researching the company is one of the most important steps to take.

Answer:

C

Explanation:

they are flat black

A risk associated with loading your vehicle poorly is obscured visibility.

When the vehicle is loaded improperly, it can obstruct the driver's visibility, especially through the rearview mirror and side mirrors. Objects or cargo that are not properly secured or stacked too high can block the driver's line of sight, making it difficult to see the surrounding traffic, pedestrians, or potential hazards. This compromised visibility increases the risk of accidents and collisions, as the driver may not have a clear view of their surroundings and may be unable to react promptly to changing road conditions.

Improper loading can lead to obscured visibility in several ways. For example, if luggage or cargo is piled too high in the rear of the vehicle, it can block the rear window and obstruct the driver's rearward vision. Similarly, if items are placed too close to the windows or in a way that restricts the driver's peripheral vision, it can create blind spots, making it harder to detect other vehicles or objects in the vicinity. In extreme cases, overloaded or unbalanced cargo can even impede the driver's view through the windshield if it extends too far forward or is stacked too high.

It is crucial to ensure that when loading a vehicle, the cargo is properly secured, distributed evenly, and does not obstruct the driver's visibility. By taking these precautions, the risk of obscured visibility can be minimized, promoting safer driving conditions and reducing the likelihood of accidents caused by compromised visibility.

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Hey there ..

I think the answer is as they put brake ..

I am not sure .. just check the image also provided above .. ..

If u think this helped u ..plz mark me as brainliest ..

And follow me

Answer:

During starts and stops

Explanation:

"Many of the energy inefficiencies in vehicles occur during starts and stops."

found it in the text.

The average number of aircraft on the runway at the airport is approximately 12. The correct option is B

Since the average time spent between leaving the gate and taking off is 4 minutes, and an aircraft takes off every 0.67 minutes, we can conclude that the average number of aircraft on the runway during this time is 4 minutes / 0.67 minutes per take-off = 5.97 aircraft.

Similarly, the average number of aircraft on the runway during the time between landing and reaching their gate is also 5.97 aircraft.

Therefore, the average number of aircraft on the runway at the airport is the sum of these two values:

Average number of aircraft on the runway = 5.97 + 5.97

= 11.94

= 12 approximately

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With an output of 10 mA, an electronic PID temperature controller is in steady state. The initial steady-state process temperature is the same as the set point. The error signal increases at a rate of 0. 4 mA/min, or 2°F/min, starting at time t = 0. What is the transmitter calibration in mA/°F if the settings are Kc = 3 , I = 1. 5 min, and D = 0. 5 min?

Comparing the measurement results supplied by a device under test with those of a known-accurate calibration standard is the process of calibration in measurement technology and metrology. Such a standard could be an apparatus that produces the quantity to be measured, such as a voltage generator, sound generator, or physical artefact like a metre ruler. Each of these choices has a known level of accuracy. The comparison could show that the device under test has no significant errors, has significant errors but no modifications have been made, has adjustments to reduce the errors to acceptable levels, or has none of these results. The term "calibration" strictly speaking only relates to the comparison itself and does not include any further modifications.

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I would honestly select every one of the given options. Gor a company evaluating this new material it would be very valuable to hit each of these factors.

Simultaneously designing new products and the processes to produce them is known as concurrent design. This approach involves a cross-functional team working together throughout the design process to ensure that the product and its manufacturing process are optimized for efficiency and quality.

The goal of concurrent design is to minimize the risk of costly design changes or delays that can occur when these two aspects of the design process are done sequentially.

Concurrent design is particularly important in industries where new products are developed frequently and where time-to-market is a critical factor. This approach enables companies to rapidly bring products to market while also ensuring that the manufacturing process is efficient and cost-effective.

In contrast, standard design refers to the use of pre-existing components or designs to create new products. This approach is often used in industries where products are similar and where there is little variation in the design process.

Modular design involves breaking a product down into smaller components or modules that can be easily assembled and reassembled. This approach enables companies to create products that can be easily customized and adapted to meet the needs of different customers.

Functional design involves designing a product based on its intended function. This approach focuses on optimizing the product's performance and ensuring that it meets the needs of its intended users.

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The process of producing a raised pattern on the surface of work to improve grip or appearance or to increase diameter is called knurling.

Knurling is a process of cutting a pattern of regular, diamond-shaped ridges or teeth on a cylindrical or conical surface.

The knurled pattern is raised and rough and serves various functions such as providing improved grip, decorative appeal, or increasing the surface diameter to improve the effectiveness of press fits.Knurling is performed on a lathe using knurling tools. A knurling tool consists of two cutting wheels that are pressed against the workpiece.

The wheels cut into the surface of the workpiece and produce the knurled pattern. The knurling tool is adjusted to produce a pattern of the desired pitch and depth. Knurling can be done on various materials such as plastics, metals, and even paper.

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The question is incomplete! Complete question along with answer and step by step explanation is provided below.

Question:

In the given circuit, V(t)=12cos(2000t+45)V, R1=R2=2Ω, L1=L2=L3=3mH and C1=250μF. You are required to find the Thevenin equivalent of this circuit using phasors.

a. If you write the Thevenin voltage, Vth, in phasor form, what is the magnitude of this phasor? Put your answer in the box below without units.

b. What is the value of the angle associated with the phasor Vth, in degrees?

c. Now, calculate the Thevenin impedance, Zth. What is the magnitude of this phasor?

d. What is the angle associated with the phasor Zth, in degrees?

Answer:

Vth = 6 < 45° V

Zth = 1.414 < 45°

a. The magnitude of the Thevenin voltage is 6 V

b. The phase angle of the Thevenin voltage is 45°

c. The magnitude of the Thevenin impedance is 1.414 V

d. The phase angle of the Thevenin impedance is 45°

Explanation:

The given voltage is

V(t)=12cos(2000t+45)

In phasor form,

V(t) = 12 < 45° V

So the magnitude of voltage is 12 V and the phase angle is 45°

Also the frequency ω = 2000

then the inductance is

L₁ = L₂ = L₃ = jωL = j×2000×0.003 = j6 Ω

and the capacitance is

C₁ = 1/jωC = 1/(j×2000×250x10⁻⁶) = -j2 Ω

and the resistance is

R₁ = R₂ = 2 Ω

Thevenin voltage:

The Thevenin voltage is the voltage that appears across the open-circuited terminals a-b (after removing L₃)

The Thevenin voltage is given by

Vth = V(t) × [ (R₂ + L₂) / (R₁ + L₁) + (R₂ + L₂) ]

Please note that there is no current flow in the capacitor due to open-circuited terminal a-b

Vth = 12 < 45°  × [ (2 + j6) / (2 + j6) + (2 + j6) ]

Vth = 12 < 45°  × [ (2 + j6) / (4 + j12) ]

Vth = 4.24264 + j4.24264 V

In phasor form,

Vth = 6 < 45° V

a. The magnitude of the Thevenin voltage is 6 V

b. The phase angle of the Thevenin voltage is 45°

Thevenin Impedance:

The Thevenin Impedance is the impedance of the circuit calculated when looking from the terminal a-b

Zth = [ (R₁ + L₁) × (R₂ + L₂) / (R₁ + L₁) + (R₂ + L₂) ] + (-j2)

Zth = [ (2 + j6) × (2 + j6) / (2 + j6) + (2 + j6) ] - j2

Zth = [ (2 + j6) × (2 + j6) / (2 + j6) + (2 + j6) ] - j2

Zth = [ (-32 + j24) / (4 + j12) ] -j2

Zth = [ (1 +j3) ] - j2

Zth = 1 + j Ω

In phasor form,

Zth = 1.414 < 45°

c. The magnitude of the Thevenin impedance is 1.414 V

d. The phase angle of the Thevenin impedance is 45°

Answer:

The most common and well known of these documents are memos and emails, which are used in every type of business. In addition to this, technical communicators also create instructions, product guides and documentation, graphs, charts, images, videos, and other forms of content.

There are many ways to communicate

technical information,

1. Planning sheet- describe the process - this

shows steps on how to make your drill drift-

telling us how us how to make it.

2.Drawings- this tells you the dimensions, size

of component/workpiece

Inspection sheets- check the measurements

are within given tolerances, this shows us

you've made it within those tolerances.

Instructions/ images of how to make your.

Answer:

B. polarity

Explanation:

When the structure is sagging, additional vertical cable support the structure to make it more rigid.

The suspension bridge, the cable-stayed roof, and the bicycle-wheel roof are all examples of highly effective cable structures. Any string or cable stretched freely between two points will take the shape of a catenary, as evidenced by the beautiful arc of the enormous main cables of a suspension bridge.

Cable frameworks are a type of tensioned long-span construction that is supported by suspension cables. The suspension bridge, the cable-stayed roof, and the bicycle-wheel roof are all examples of highly effective cable structures.

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(a) The time constant of the circuit can be calculated as:

τ = L/R = 4/10 = 0.4 seconds

At t = τln(2), the current will have reached 50% of its final steady value. Therefore:

t = τln(2) = 0.4ln(2) ≈ 0.277 seconds

(b) The current in the circuit can be calculated using the formula:

i(t) = (V/R)(1 - e^(-t/τ))

At t = 0.5 seconds, we have:

i(0.5) = (20/10)(1 - e^(-0.5/0.4))

≈ 1.98 amps

Therefore, the value of the current after 0.5 seconds is approximately 1.98 amps.