Urethane (k = 0.026 w/m.k) is used to insulate the side wall and the top and the bottom of


a cylindrical hot water tank. the insulation is 40 mm thick and is sandwiched between


sheet metal of thin wall construction. the height and inside diameter of the tank are 2 m


and 0.80 m, respectively and the tank is in ambient air for which t[infinity] = 10 °c and h = 10


w/m2k. if the hot water maintains the inner surface at 55 ⁰c determine the total heat loss


from the water to ambient air.

Answer:

Metamorphic manufacturing

Explanation:

I don't know what form of an answer you wanted but I hope this helps :)

Insensible mechanisms of fluid loss are those that are not visible or perceptible, like perspiration or urination. The three primary insensible mechanisms of fluid loss are insensible water loss from the skin, insensible water loss from the lungs, and insensible water loss from the gastrointestinal tract.

Insensible mechanisms of fluid loss are those that occur in the human body without our knowledge or perception. In other words, they are not visible or palpable. There are three primary insensible mechanisms of fluid loss: Insensible water loss from the skin, Insensible water loss from the lungs and Insensible water loss from the gastrointestinal tract. The skin is the most critical site of insensible water loss. This kind of water loss happens through the skin by sweat or transpiration. It is responsible for around 500 to 700 mL of water loss each day. The lungs, on the other hand, also eliminate water, which is expelled during the process of breathing. The quantity of water released in this manner varies depending on the temperature and humidity of the air we breathe in. Finally, the gastrointestinal tract loses water through the intestines and faeces. About 100 to 200 mL of water is lost every day due to this insensible mechanism. In summary, insensible mechanisms of fluid loss refer to the fluid loss that takes place in the body without our awareness or consciousness. The skin, lungs, and gastrointestinal tract are the three primary sites of this type of fluid loss, with each contributing varying amounts of water to the overall daily fluid loss.

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Answer:

the minimum component thickness for which the condition of plane strain is valid is 0.005377 m or 5.38 mm

Explanation:

Given the data in the question;

yield strength σ\(_y\) = 690 Mpa

plane strain fracture toughness K\(_{Ic\) = 32 MPa-\(m^{1/2\)

minimum component thickness for which the condition of plane strain is valid = ?

Now, for plane strain conditions, the minimum thickness required is expressed as;

t ≥ 2.5( K\(_{Ic\) / σ\(_y\) )²

so we substitute our values into the formula

t ≥ 2.5( 32  / 690  )²

t ≥ 2.5( 0.0463768 )²

t ≥ 2.5 × 0.0021508

t ≥ 0.005377 m or 5.38 mm

Therefore,  the minimum component thickness for which the condition of plane strain is valid is 0.005377 m or 5.38 mm

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

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

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Answer:

With the ongoing pandemic, businesses have shifted their operations to online platforms while people have been forced to resort to work-from-home lifestyles to prevent the further prevent the spread of the virus.

Answer:

The intake and exhaust ports

Explanation:

The intake manifold function is to channel air through the passages in the cylinder head and into the combustion chamber.

(hope this help) :)

Norton's theorem in regards to  linearity property​ is known to be one that employ the use of a current source while the Thevenin's theorem is known to be one that employ the use of a voltage source.

Thevenin's theorem make use of a resistor in a kind of series, but Norton's theorem is known to use a resister set in a kind of parallel way in line with the source.

Norton's Theorem is known to be a law that states that one can be able to simplify any form of  linear circuit, no matter how difficult or hard that it may be, to an equivalent circuit through the use of only one current source and also the use of a parallel resistance linked to a load.

Note that, Norton's theorem in regards to  linearity property​ is known to be one that employ the use of a current source while the Thevenin's theorem is known to be one that employ the use of a voltage source.

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a) To record a voice message in Matlab, you can use the "audiorecorder" function. The code for recording the message for 4 seconds at a rate of 40 kHz and saving it as a "message.wav" file would be:

recObj = audiorecorder(40000, 16, 1);

disp('Start speaking.')

recordblocking(recObj, 4);

disp('End of Recording.');

message = getaudiodata(recObj);

audiowrite('message.wav', message, 40000);

b) To downsample the message signal at a sampling rate of 8 kHz, we can use the "resample" function. The code for showing the original signal and its discrete time samples for a short period of time would be:

t = 0:1/40000:0.001;

t_ds = 0:1/8000:0.001;

message_ds = resample(message, 1, 5);

plot(t, message, 'b', t_ds, message_ds(1:length(t_ds)), 'r*');

xlabel('Time (s)');

ylabel('Amplitude');

legend('Original signal', 'Discrete time samples');

c) To show the two-sided spectrum of the original and sampled signal, we can use the "fft" function. The code would be:

N = length(message);

N_ds = length(message_ds);

f = (-N/2:N/2-1)(40000/N);

f_ds = (-N_ds/2:N_ds/2-1)(8000/N_ds);

spectrum = abs(fftshift(fft(message)));

spectrum_ds = abs(fftshift(fft(message_ds)));

plot(f, spectrum, 'b', f_ds, spectrum_ds, 'r');

xlabel('Frequency (Hz)');

ylabel('Magnitude');

legend('Original signal', 'Sampled signal');

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Answer:

a.)

US Sieve no.                         % finer (C₅ )

4                                                  100

10                                                95.61

20                                               82.98

40                                               61.50

60                                               42.08

100                                              20.19

200                                              6.3

Pan                                               0

b.) D10 = 0.12, D30 = 0.22, and D60 = 0.4

c.) Cu = 3.33

d.) Cc = 1

Explanation:

As given ,

US Sieve no.             Mass of soil retained (C₂ )

4                                            0

10                                          18.5

20                                         53.2

40                                         90.5

60                                         81.8

100                                        92.2

200                                       58.5

Pan                                        26.5

Now,

Total weight of the soil = w = 0 + 18.5 + 53.2 + 90.5 + 81.8 + 92.2 + 58.5 + 26.5 = 421.2 g

⇒ w = 421.2 g

As we know that ,

% Retained = C₃ = C₂×\(\frac{100}{w}\)

∴ we get

US Sieve no.               % retained (C₃ )               Cummulative % retained (C₄)

4                                            0                                           0

10                                          4.39                                      4.39

20                                         12.63                                     17.02

40                                         21.48                                     38.50

60                                         19.42                                     57.92

100                                        21.89                                     79.81

200                                       13.89                                     93.70

Pan                                        6.30                                      100

Now,

% finer = C₅ = 100 - C₄

∴ we get

US Sieve no.               Cummulative % retained (C₄)          % finer (C₅ )

4                                                     0                                          100

10                                                  4.39                                      95.61

20                                                 17.02                                     82.98

40                                                 38.50                                    61.50

60                                                 57.92                                    42.08

100                                                79.81                                     20.19

200                                                93.70                                   6.3

Pan                                                 100                                        0

The grain-size distribution is :

b.)

From the diagram , we can see that

D10 = 0.12

D30 = 0.22

D60 = 0.12

c.)

Uniformity Coefficient = Cu = \(\frac{D60}{D10}\)

⇒ Cu = \(\frac{0.4}{0.12} = 3.33\)

d.)

Coefficient of Graduation = Cc = \(\frac{D30^{2}}{D10 . D60}\)

⇒ Cc = \(\frac{0.22^{2}}{(0.4) . (0.12)}\) = 1

Answer:

Resistance = 360,000 Ω = 360 kΩ

Tolerance = +/- 5%

Explanation:

You can follow a four-band resistor chart to determine resistance and tolerance based off each column.

1st Band = Orange = 3

2nd Band = Blue = 6

3rd Band = Yellow = 10,000 Ω (this is the multiplier)

Resistance = 36 * 10,000 Ω = 360,000 Ω = 360 kΩ

4th Band = Gold = +/- 5% Tolerance

Technical practice incorporates build-time identification of security vulnerabilities in the code is  Penetration testing.

A penetration test, sometimes referred to as a pen test or ethical hacking, is a legitimate simulated cyberattack on a computer system that is carried out to analyze the system's security. This is distinct from a vulnerability assessment.

In order to identify and illustrate the financial effects of a system's vulnerabilities, penetration testers employ the same tools, strategies, and procedures as attackers. Reconnaissance, scanning, vulnerability assessment, exploitation, and reporting are the five stages of a penetration test.

Penetration testing is a technical activity that includes build-time discovery of security vulnerabilities in the code.

Penetration tests are essential to an organization's security because they teach staff members how to respond to any kind of intrusion from a malicious party. Pen tests are a method of determining whether a company's security procedures are actually effective.

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A console application typically runs via a command prompt. Hence, option B is the correct answer.

A console application typically runs via a command prompt or terminal window, where the user interacts with the application by entering commands or providing input through the keyboard and receiving output in the form of text displayed on the console.

It's important to note that the behavior of a console application can vary depending on how it is executed. For example, when running through a browser or with a GUI, the console interface may be hidden or abstracted away while still providing the underlying functionality of the application.

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Answer:Report writing consists of the history and facts of a project or of any kind of event. It is useful to record past history and an overall summary of decisions. Report writing helps to solve problems as a path. Writing a report will guide you in a way that will modernize details of the improvements and upcoming plans.

Answer:

All nonmetallic elements are generally poor conductors of heat and electricity. There are only 17 nonmetallic elements, while more than 75 percent of the known elements are either pure metals or metalloids, which are better conductors of heat and electricity to a varying degree.

Explanation:

The correct response is c. straight-up seating position. Standard-type motorcycles apply to straight-up seating position.

Keeping the feet flat while seated or placing them on the ground or a footrest. Do not cross your ankles or knees. keeping a modest distance between the chair and the back of the knees. putting the knees at the same height as the hips or just a little lower. Sit upright with your shoulders back and your back straight. When sitting, try to leave two inches between the back of your knees and the edge of the seat. Puleio advises adjusting your seat so that your thighs are parallel to the floor and your feet are flat on the ground (or on a footrest if your feet cannot rest comfortably).

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A disk interface that is designed and developed to use parallel data transfer but with high reliability and an advanced command set is: C. PATA.

A hard-disk drive can be defined as an electro-mechanical, non-volatile data storage device that is made up of magnetic disks (platters) that rotates at high speed.

Disk Management can be defined as a type of utility that is designed and developed to avail end users an ability to convert two or more basic disks on a computer system to dynamic disks.

In Computer technology, PATA is a disk interface that is designed and developed to use parallel data transfer but with high reliability and an advanced command set.

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Answer:

improper imput validation

Explanation:

Answer:

Friction

Explanation:

Heavy objects take an extended way to get to a full halt, so they have a lot of friction.

An item with high weight is forced down to something like a surface of stronger power than an item with small weight and, as a result, there is a greater pressure between the base of the large weight than the one between ground and the small one.

Answer:

friction

Explanation:  It has a lot of mass so it will interact with the railroad. When you interact with the railroad, it is called friction. That will make the train slower.

Hope this helps! Stay Safe!

To calculate the approximate output force of a cylinder, we can use the formula:the approximate output force of the cylinder, when 100 PSI is applied, would be approximately 50.26 pounds.

Force = Pressure × Area

Given:

Stroke = 4 inches

Piston diameter = 0.80 inches

Pressure = 100 PSI

First, we need to calculate the area of the piston. The formula for the area of a circle is:

Area = π × (Radius)^2

The radius of the piston is half of its diameter. So, the radius is 0.80 inches / 2 = 0.40 inches.

Substituting this value into the formula, we find:

Area = π × (0.40 inches)^2

Next, we convert the area to square inches and multiply it by the pressure to get the approximate output force:

Force = Pressure × Area

Substituting the given values, we have:

Force = 100 PSI × (π × (0.40 inches)^2)

Now, let's calculate the approximate output force:

Force ≈ 100 PSI × (3.1416 × (0.40 inches)^2)

Force ≈ 100 PSI × 0.5026 square inches

Force ≈ 50.26 pounds (approximately)

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Shale and other types of "tight" rock, or impermeable rock formations that lock in oil and gas and complicate the production of fossil fuels, can be extracted of their natural gas or oil using the modern high-volume hydraulic fracturing process. Thus, option B is correct.

Shale gas is extracted through a procedure called hydraulic fracturing, also referred to as “fracking.” Due to the fact that shale reserves are often dispersed horizontally rather than vertically, deep holes are first drilled into the shale rock, then horizontal drilling is used to reach more of the gas.

A mixture of sand, chemicals, and water is pushed at high pressure down a borehole during hydraulic fracturing. The released gas can flow out of the rocks and back up the borehole because the water pressure causes cracks in the rock to widen, and the sand particles settle into the openings to keep them open.

Therefore, a way of extracting natural gas shale formations.

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The correct answer is A, "needle indication properly corresponds to the angle of the wings or rotors with the horizon."

The turn and slip indicator is an instrument in an aircraft that shows the rate of turn and the coordination of turns. It has a needle that moves to the left or right to indicate the rate of turn, and a small ball in a curved glass tube that moves to the left or right to indicate the coordination of the turn.

Before starting an engine, it is important to check the turn and slip indicator to ensure that the needle indication properly corresponds to the angle of the wings or rotors with the horizon. This is because the indicator works based on a gyroscope that detects the aircraft's rate of turn and its position relative to the horizon.

If the instrument is not properly calibrated or if there is a malfunction, it can lead to incorrect readings and potentially dangerous flying conditions. Therefore, it is essential to check the turn and slip indicator as part of the pre-flight checklist to ensure that the instrument is working properly and that the aircraft is safe to fly.

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To calculate the mean of all numeric variables in the HELPrct data from the mosaicData package, we can use the colMeans() function in R. This function calculates the mean of each column in a data frame.

However, it only works on numeric columns, so we need to first remove any non-numeric columns or missing values.
To do this, we can use the select_if() function from the dplyr package to only select columns that are numeric. Then, we can use the na.omit() function to remove any rows with missing values. Finally, we can use the colMeans() function to calculate the mean of each column.
Here's the code:
library(mosaicData)
library(dplyr)
# Select only numeric columns
numeric_cols <- select_if(HELPrct, is.numeric)
# Remove rows with missing values
numeric_cols <- na.omit(numeric_cols)
# Calculate column means
means <- colMeans(numeric_cols)
# Print the result
print(means)
This will give us the mean of each numeric column in the HELPrct data, excluding any missing values.

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Answer:

9 1/2

Explanation:

3 4/5 is 3.8

2/5 is 0.4

divide 3.8 by 0.4 you get 9.5 which is 9 1/2 in a fraction

Answer:

Updated question

The big ben clock tower in London has clocks on all four sides. If each clock has a minute hand that is 11.5 feet in length, how far does the tip of each hand travel in 52 minutes?

The distance traveled by the tip of the minute hand of the clock would be 62.59 ft

Explanation:

Let us assume the shape of the clock is circular.

the minute hand is equal to the radius = 11.5 ft

Diameter = radius x 2

Diameter = 11.5 x 2 = 23 ft

The distance traveled by the tip of the minute hand can be calculated thus;

the fraction of the circumference traveled by the minute hand would be;

52/60 = 0.8667

Circumference of the clock would be;

C = pi x d

where C is the circumference

pi is a constant

d is the diameter

C = 3.14 x 23

C = 72.22 ft

Therefore the fraction of the circumference covered by the minute hand would be;

72.22 ft x 0.8667 = 62.59 ft

Therefore the distance traveled by the tip of the minute hand of the clock would be 62.59 ft

Answer: c. The creative middle way

Explanation:

As there is both an obligation to preserve jobs and to protect the environment, a creative middle way which involves compromise would be most effective.

The company involved should process and remove the worst pollutants alone while leaving others so that the process will not be so expensive that they have to close down.

They will do this till a better and more environmentally beneficial solution can be found at which point they can then clean up the previous pollutants with the hope that they have not irrecoverably damaged the environment.

U mean how to connect them to your phone?

Answer:

download amazon, flipcart,any one app from app store

now search airpods

now you het a list of different brands

order which you want

Answer:

yes

Explanation:

blueprint of the construction is a prediction of project its is slightly auto cad

Answer:

a rock is made up of two or more minerals but a mineral is a natural substance with chemical and physical properties