In addition to /etc/localtime, some Linux distributions also have an /etc/timezone text file that contains a reference to the correct time zone file contained in which directory?
/etc/zoneinfo
/usr/zoneinfo
/usr/share/zoneinfo
/usr/local/zoneinfo

Answer:

a) 0.39795 kJ/K

b) 79.589.37 kJ

Explanation:

m = Mass of air = 2 kg

Temperature = 200 K

P₁ = Initial pressure = 300 kPa

P₂ = Final pressure = 600 kPa

R = mass-specific gas constant for air = 287.058 J/kgK

a) For isentropic process

∴ Entropy is generated in the process is 0.39795 kJ/K

b)

∴ Amount of lost work is 79.589.37 kJ

how am I going to do this, I have a friend that might be able to help I will check

It has been determined that a carburizing heat treatment of 2.5 hours will raise the carbon concentration to 0.42 wt% at a point 3.5mm from the surface for a steel alloy. The time (in h) necessary to achieve the same concentration at a 5.6 mm position for an identical steel and at the same carburizing temperature is 6.4 hr.

Carburizing is a process in which a material is exposed to an environment containing carbon for the purpose of enriching the surface carbon content. Carbon is dissolved into the surface of the metal by the diffusion process during this operation. The carbon content is increased in this process. This treatment is also known as case hardening. The objective of case hardening is to increase the surface hardness of the metal.The formula for estimating the time of carburizing is given below:

\(xt^2/2 = (D2 – D1)Kt\)where:t = time,xt^2/2 = distance,

D2 – D1 = concentration difference,K = the diffusion coefficientFor two identical steels at the same carburizing temperature, the formula can be modified as follows:

\(t2 = (x2^2*t1)/(x1^2)\)

Here, t1 = 2.5 hours, x1 = 3.5 mm, x2 = 5.6 mm, t2 = time required at 5.6 mm from the surfacePlugging in the values given in the formula,

\(t2 = (5.6^2*2.5)/(3.5^2)= 6.4 hr\)

Therefore, the time necessary to achieve the same concentration at a 5.6 mm position for an identical steel and at the same carburizing temperature is 6.4 hr.

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The one that describes braking from a brake chamber containing a power spring is a spring applied and air-released service brake. The correct option is D.

Spring brakes, unlike service brakes, are not air applied. They apply when air pressure is released from the brake chamber and release when air pressure is restored. Spring brakes and service brakes use different types of brake chambers.

The braking power of spring brakes is determined by how well the brakes are adjusted. If the brakes are not properly adjusted, neither the regular nor the emergency/parking brakes will function properly.

A spring applied and air-released service brake is the one that describes braking from a brake chamber containing a power spring.

Thus, the correct option is D.

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The number of X is 33 inches.

A perimeter became the closed path that encompasses, surrounds, or outlines each a two-dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is known as its circumference. Calculating the perimeter has numerous practical applications. The perimeter moreover says the length of the definition of a shape. To find out the edge of a rectangle or square you want to add the lengths of all four sides.

To determine the amount of X, we will use the method below:

X + X + X + X = 132 or 4x = 132.

Then we will discover the result for X with the step below:

4x = 132

Divide both side by 4

Hence

x = 132 : 4 = 33

x = 33

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Answer:

The purpose of Customs Duty is to protect each country's economy, residents, jobs, environment, etc., by controlling the flow of goods, especially restrictive and prohibited goods, into and out of the country.

Answer:

sử dụng nhiều hơn một phương tiện biểu đạt hoặc giao tiếp.

Explanation:

Answer:

3w/m²k

Explanation:

Base on the scenario been described in the question, the solution to the given problem solve in the file attached below

Answer:Just multiply 90 by itself 46 times

Explanation:

do it

Answer:

Make sure both cars are in park or neutral with the parking brake engaged. This makes sure that all electrical functions (headlights, radios, etc.) are turned off.

When jump starting a car, make sure it is in the right distance of the cables to reach battery.

Thus, when jump-starting a car, always remember the cables are in the right position.

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If all other factors were equal, we would expect Location A, which is at sea level (0 meters), to have the highest air pressure.

Air pressure falls as altitude increases, which means that as we climb in the sky, the weight of the air above us reduces, resulting in decreased pressure.

The air pressure is highest at sea level because the weight of the air column above is greater owing to the entire atmosphere pressing down on the Earth's surface. The air column above lowers as we travel higher in height, such as at Location B (Mountain Peak at 3,000 meters), Location C (Plateau at 1,500 meters), or Location D (Valley at 500 meters).

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The complete question:

If all other factors were equal, which of the following locations would you expect to have the highest air pressure?

Location A: Sea Level (0 meters)

Location B: Mountain Peak (3,000 meters)

Location C: Plateau (1,500 meters)

Location D: Valley (500 meters)

Answer: weigh less than 1.5 tons

Explanation:

Answer:The answer is A, seats for five people.

Explanation: I took the test and it is the only option that fits the criteria listed above.

The time elapses before her velocity is reduced to +2.92 m/s is 5.5 seconds.

v = the initial velocity = 6.94 m/s

v0 = the reduced velocity = 2.92 m/s

μ =  the coefficient of kinetic friction = 0.0801

g = the gravity = 9.8 m/s^2 (assumed)

First we calculate the acceleration of the ice skater with this formula,

a = μ*g

= 0.0801 * 9.8 = 0.78498 m/s^2

Then, from basic formula about velocity, acceleration, and time which is,

a = (v-v0)/t

We can change the formula to calculate time. So,

t = (v-v0)/a

= (6.94-2.92)/0.78498

= 5.5 s

Thus, time needed to reduce velocity to +2.92 m/s is 5.5 seconds.

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The z-component of the required moment is -3947.36 Nm.

The given parameters;

A little sketch of the given problem is presented below;

     B  ↑ (0, 1.2, -2)

          ↑

          ↑

(0, 0, 0) -------------------------(3, 0, 0) A

The force couple system located at the origin is calculated as;

τ = FL

τ = 2500 x 3

τ = 7500 N.m

The resultant of the coordinate vectors is calculated as;

\(r = 3i + 1.2j -2k\\\\|r| = \sqrt{3^2 + 1.2^2 + (-2)^2} \\\\|r| = 3.8\)

The z-component of the required moment is calculated as;

\(\tau = 7500 \times \frac{3i \ +\ 1.2j \ -2k\ }{3.8} \\\\\tau = 1973.68(3i \ +\ 1.2j \ -2k\ )\\\\\tau = (5921.04 i \ + \ 2,368.41j \ - \ 3947.36 k)\ Nm\)

Thus, the z-component of the required moment is -3947.36 Nm.

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Answer:

d.

Explanation:

The synchronous speed (Ns) of a motor with 4 poles and operating at a frequency of 60Hz can be calculated using the formula:

Ns = 120 x f / p

where f is the frequency in Hertz and p is the number of poles.

Plugging in the values, we get:

Ns = 120 x 60 / 4 = 1,800 rpm

Therefore, the answer is option d) 1,800 rpm.

Answer: None of the above

Explanation:

Business process modeling refers to the graphical representation of the business processes of a company, which is vital in the identification of potential improvements.

Business pticess modelling can be done through graphing methods, like data-flow diagram, flowchart etc. It is vital as business managers can effectively and quickly communicate their ideas.

It also enhances the customization of business processes, enhances the competitive advantage and enhances the process communication as well.

Therefore, the answer to the question will be "None of the above".

The thermoelectric effect is a phenomenon where heat is applied to dissimilar metals that are joined together to produce an electrical voltage. This effect occurs due to the temperature difference that exists between the two metals, which creates a flow of electrons from one metal to the other.

This process is also known as the Seebeck effect, named after the German physicist Thomas Seebeck who discovered it in 1821.

The thermoelectric effect has found numerous applications in the fields of power generation and temperature measurement. In power generation, thermoelectric generators (TEGs) are used to convert heat directly into electricity without the need for any moving parts or fluids. TEGs are particularly useful in remote locations where conventional power sources are not available.

In temperature measurement, the thermocouple is a common device that utilizes the thermoelectric effect. A thermocouple consists of two dissimilar metals that are joined together at one end. When the temperature of the junction changes, a voltage is produced that can be measured and correlated to the temperature.

In conclusion, the thermoelectric effect is a fascinating process that has found widespread applications in various fields. Its ability to convert heat directly into electricity makes it a promising technology for power generation in remote locations, while its use in temperature measurement has been essential in many scientific and industrial applications.

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Answer:

Plain Sawn. At least 95 percent of all hardwood lumber commercially produced in the U.S. is flat or plain sawn. ...

Quarter Sawn. In this method, the log actually is cut into quarters, then sawn quarter by quarter. ...

Explanation:

The complete oxidation of one molecule of glucose through glycolysis, the citric acid cycle, and oxidative phosphorylation yields approximately 30-32 ATP molecules. So the correct answer is b. 30-32 ATP.

In aerobic conditions, the complete oxidation of one molecule of glucose yields a net total of 36–38 molecules of ATP (adenosine triphosphate). The actual amount of ATP produced may vary slightly depending on the cell type and experimental conditions. The majority of ATP is produced through oxidative phosphorylation, which involves the electron transport chain and chemiosmosis, while a smaller amount is produced through substrate-level phosphorylation during glycolysis and the citric acid cycle.

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In a gas absorption experiment a viscous fluid flows upward through a ... Set up a momentum balance over a shell of thickness Δrin the film.

The previous chapter provided derivations of the relationships for mass and momentum conservation—the equations of motion—in rectangular, cylindrical, and spherical coordinates.

All experimental evidence suggests that these are the most fundamental equations of fluid mechanics, and that they govern any situation involving the flow of a Newtonian fluid in principle.

Therefore, In a gas absorption experiment a viscous fluid flows upward through a ... Set up a momentum balance over a shell of thickness Δrin the film.

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Answer:

Actual COP = 5.368

Maximum theoretical COP = 6.368

Explanation:

Given - An ideal vapor compression refrigeration cycle operates with a condenser pressure of 900 kPa. The temperature at the inlet to the compressor is -5oC.

To find -  If this device operates using R134a as the working fluid. Calculate the actual COP of this device as well as the maximum theoretical COP.

Proof -

Given that,

An ideal vapor compression refrigeration cycle operates with a condenser pressure of 900 kPa.

From Refrigerant 134-a Table

At T1 = -5°C

h1 = 247.505 KJ/kg

S1 = 0.93434 KJ/kg

At P2 = 900 KPa

S1 = S2

h2 = 274.679 Kj/Kg

h3 = h4 = 101.61 KJ/g

So,

Compressor work (Wc) = h2 - h1

                                       = 274.679 - 247.505

                                       = 27.174

⇒Compressor work (Wc) = 27.174 KJ/kg

Now,

Heat out (Qout) = h2 - h3

                          = 274.679 - 101.61

                          = 173.069

⇒Heat out (Qout) = 173.069 KJ/kg

Now,

Heat input (Qin) = h1 - h4

                          = 274.505 - 101.61

                          = 145.895

⇒Heat input (Qin) = 145.895 KJ/kg

So,

Actual COP at the refrigerator is -

(COP)R = (Qin)/(Wc)

            = (145.895)/ (27.174)

            = 5.368

⇒Actual COP = 5.368

Now,

Maximum theoretical COP is -

(COP) = (Qout)/(Wc)

          = (173.069)/ (27.174)

          = 6.368

⇒Maximum theoretical COP = 6.368

Answer:

i did not known answer but anobody help you

Answer:

Explanation:

Given that,

The area of glass \(A_g\) = \(0.11m^2\)

The thickness of the glass \(t_g=4mm=4\times10^-^3m\)

The area of the styrofoam \(A_s=11m^2\)

The thickness of the styrofoam \(t_s=0.20m\)

The thermal conductivity of the glass \(k_g=0.80J(s.m.C^o)\)

The thermal conductivity of the styrofoam  \(k_s=0.010J(s.m.C^o)\)

Inside and outside temperature difference is ΔT

The heat loss due to conduction in the window is

\(Q_g=\frac{k_gA_g\Delta T t}{t_g} \\\\=\frac{(0.8)(0.11)(\Delta T)t}{4.0\times 10^-^3}\\\\=(22\Delta Tt)j\)

The heat loss due to conduction in the wall is

\(Q_s=\frac{k_sA_s\Delta T t}{t_g} \\\\=\frac{(0.010)(11)(\Delta T)t}{0.20}\\\\=(0.55\Delta Tt)j\)

The net heat loss of the wall and the window is

\(Q=Q_g+Q_s\\\\=\frac{k_gA_g\Delta T t}{t_g}+\frac{k_sA_s\Delta T t}{t_g}\\\\=(22\Delta Tt)j +(0.55\Delta Tt)j \\\\=(22.55\Delta Tt)j\)

The percentage of heat lost by the window is

\(=\frac{Q_g}{Q}\times 100\\\\=\frac{22\Delta T t}{22.55\Delta T t}\times 100\\\\=97.6 \%\)

Answer:

attached below is the solution

Explanation:

hello  attached below is the sequence of push and pop operations on stack memory

For The collatz method below

public void collatz(int n) {

if (n == 1) return;

else if (n % 2 == 0)

collatz(n / 2);

else collatz(3*n + 1); }

The statement that is not true of ISO 9000 is b. The American National Standards Institute guarantees continued ISO 9000 certification for all the ISO-certified American companies. Here's why:  ISO 9000 is a set of international standards for quality management and quality assurance.

It is designed to help companies achieve consistency in their products and services while also improving customer satisfaction. ISO 9000 is a five-part series of standards that includes ISO 9001, ISO 9002, ISO 9003, ISO 9004, and ISO 19011.

The ISO 9000 certification process involves an accredited third-party certification body reviewing a company's quality management system to ensure that it meets the requirements of the ISO 9001 standard. Once a company has been certified, the certification body will issue an ISO 9000 certificate that the company can use in its advertising and publications.

Continued ISO 9000 certification is not guaranteed. To maintain certification, a company must undergo regular surveillance audits to ensure that its quality management system continues to meet the requirements of the ISO 9001 standard. If a company fails to meet these requirements, it can lose its certification.

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The rate of energy loss through a 1.5 square meter window with the worst R-value (0.9) is 936.7 Btu/hour and the rate of energy loss through the best R-value (11.1) is 75.95 Btu/hour. In order to calculate how much can be saved by replacing all the windows with the highest R-value, relative to the lowest R-value windows, we need to consider the energy loss of all the windows.

We have 18 windows in the house, therefore the amount of energy lost with the lowest R-value windows will be:18 * 936.7 = 16,860.6 Btu/hourOn the other hand, the amount of energy lost with the highest R-value windows will be:18 * 75.95 = 1,367.1 Btu/hour The difference between the two will be the amount of energy that will be saved if we use the highest R-value windows:16,860.6 - 1,367.1 = 15,493.5 Btu/hourNow, we need to consider the duration of the winter, which is 4 months or 120 days, assuming that the house is heated for the entire duration of winter. Therefore, the total amount of energy that can be saved in 4 months or 120 days will be:15,493.5 * 120 = 1,859,220 Btu (rounded off to the nearest whole number).This means that we can save 1,859,220 Btu of energy if we replace all the windows with the highest R-value, relative to the lowest R-value windows over the course of a 4-month winter year.

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