flexural strength is a measure of a material's ability to resist failure in bending. the accompanying data are from an article and are on flexural strength of concrete beams (in megapascal, mpa, where 1 pa (pascal)

Without a primer, the gunpowder inside the cartridge case would not ignite, and the bullet would not be propelled out of the barrel.

The firing pin strikes the primer, which is located in the center of the base of a centerfire round. When the firing pin hits the primer, it ignites the gunpowder charge inside the cartridge case, which then ignites and propels the bullet out of the barrel. The primer is a small metal cup that contains a tiny amount of sensitive explosive material.

This explosive material is designed to ignite when hit by the firing pin, creating a small flame that ignites the gunpowder charge inside the cartridge case.The firing pin is a small metal pin that is located inside the firearm's breechblock or bolt. When the trigger is pulled, the firing pin moves forward and strikes the primer, causing it to ignite and ignite the gunpowder charge inside the cartridge case.

The resulting explosion creates a high-pressure gas that propels the bullet down the barrel and towards the target. The primer is an essential part of a centerfire round because it provides the initial ignition that sets off the entire firing process.

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At 1.2mpa pressure and 50c

What is pressure?
By pressing a knife against some fruit, one can see a straightforward illustration of pressure. The surface won't be cut if you press the flat part of the knife against the fruit. The force is dispersed over a wide area (low pressure).

a)Mass flow rate of the refrigerant
Therefore h1= condenser inlet enthalpy =278.28KJ/Kg
saturation temperature at 1.2mpa is 46.29C
Therefore the temperature of the condenser

T2 = 46.29C - 5
T2 = 41.29C

Now,
d)power consumed by compressor W = 3.3KW
Q4 = QL + w = Q4
QL = mR(h1-h2)-W
= 0.0498 x (278.26 - 110.19)-3.3
=5.074KW
Hence refrigerator load is 5.74Kg

(COP)r = 238/53
(Cop) = 4.490

Therefore the above values are the (a) mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.

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Answer:

USDA has developed strict measures of quality for products such as grains, rice, corn, and beans. Quality grading is based on the standards developed for each product. Quality grades provide a common language among buyers and sellers, which in turn assures consistent quality for consumers.

Explanation:

Control points are areas of the vehicle structure that are used to monitor the precision of the vehicle body's dimensions as they are being assembled. Thus, option B is correct.

In a full frame car, the body is independent of the frame and fastened by bushings and bolts. The unibody is a structure made up of integrated panels that are welded, bonded, and riveted together.

Therefore, In a full frame car, the body is independent of the frame and fastened by bushings and bolts. The unibody is a structure made up of integrated panels that are welded, bonded, and riveted together.

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Answer:

The answer is True

Explanation:

Answer:

\(250\ \text{lbm/min}\)

\(625\ \text{ft/min}\)

Explanation:

\(A_1\) = Area of section 1 = \(10\ \text{ft}^2\)

\(V_1\) = Velocity of water at section 1 = 100 ft/min

\(v_1\) = Specific volume at section 1 = \(4\ \text{ft}^3/\text{lbm}\)

\(\rho\) = Density of fluid = \(0.2\ \text{lb/ft}^3\)

\(A_2\) = Area of section 2 = \(2\ \text{ft}^2\)

Mass flow rate is given by

\(m=\rho A_1V_1=\dfrac{A_1V_1}{v_1}\\\Rightarrow m=\dfrac{10\times 100}{4}\\\Rightarrow m=250\ \text{lbm/min}\)

The mass flow rate through the pipe is \(250\ \text{lbm/min}\)

As the mass flowing through the pipe is conserved we know that the mass flow rate at section 2 will be the same as section 1

\(m=\rho A_2V_2\\\Rightarrow V_2=\dfrac{m}{\rho A_2}\\\Rightarrow V_2=\dfrac{250}{0.2\times 2}\\\Rightarrow V_2=625\ \text{ft/min}\)

The speed at section 2 is \(625\ \text{ft/min}\).

(a) The mass flow rate will be "250 lbm/min".

(b) At section 2, the speed will be "625 ft/min".

According to the question,

Section 1 area, A₁ = 10 ft²

Section 2 area, A₂ = 2 ft²

Water's velocity, V₁ = 100 ft/min

Volume at section 1, v₁ = 4 ft³/lbm

(a) We know the formula,

Mass flow rate, m = ρA₁V₁

                              = \(\frac{A_1 V_1}{v_1}\)

By substituting the values,

                              = \(\frac{10\times 100}{4}\)

                              = \(\frac{1000}{4}\)

                              = 250 lbm/min

(2) The speed will be:

→ m = ρA₂V₂

or,

  V₂ = \(\frac{m}{\rho A_2}\)

By substituting the values,

       = \(\frac{250}{0.2\times 2}\)

       = \(\frac{200}{0.4}\)

       = 625 ft/min

Thus the responses above are correct.  

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Answer:

water vapor and carbon dioxide.

Explanation:

Hope this helps :D

An engine is composed of several major components; the block, the crank, the rods, the pistons, the head (or heads), the valves, the cams, the intake and exhaust systems and the ignition system. These parts work together in an exacting manner to harness the chemical energy in gasoline.

The engine block consists of a cylinder block and a crankcase. An engine block can be produced as a one-piece or two-piece unit. The cylinder block is the engine component that consists of the cylinder bore, cooling fins on air-cooled engines, and valve train components, depending on the engine design.

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The correct sequence of steps to run ePSA through Dell EMC Lifecycle Controller is:

Boot the system and press F10 to enter the Lifecycle Controller.

Select the option to run diagnostics from the main menu.

Choose the type of diagnostic test to run (e.g. quick test or full test).

Follow the on-screen prompts to complete the diagnostic test.

The feature suited for customizing the logo across the system management software portals instead of the Dell logo is the Customizable System Branding feature.

After installing a new TPM during a system board replacement, the next best step to take is to enable the TPM in the system BIOS and configure it for use with any relevant security features or applications.

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Answer:

Named Binary Tag ( NBT)

Explanation:

The format is designed to store data in a tree structure made up of various tags

The meaning of the given word NBT is called; National Benchmark Test.

The meaning of the given word NBT is called National Benchmark Test.

NBT ( national benchmark test ) is defined as a national test which must be written and passed by High school students that intend to go to the university ( i.e. passport to the university ).

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The "return" statement immediately halts execution of the current method and allows us to pass back a value to the calling method.

The "return" statement immediately halts execution of the current method and allows us to pass back a value to the calling method. In C programming language, the return statement is used to terminate a function and return a value to the calling function. The syntax is return expression; where expression is the value to be returned. The return type of the function must match the type of the returned value. If the function does not return a value, the return type should be void.

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Answer:

Purpose of review papers

They carefully identify and synthesize relevant literature to evaluate a specific research question, substantive domain, theoretical approach, or methodology and thereby provide readers with a state-of-the-art understanding of the research topic.

Mass flow rate, m = ρ A V = (80/287) × π/4 × (0.1)² × 20 = 0.0267 kg/sInlet state,P₁ = 80 kPaT₁ = 20 °C Outlet state,P₂ = 800 kPaT₂ = 200 °CWork done,Win = 400 kW

ΔS = Cp ln (T₂/T₁) - R ln (P₂/P₁)= 1.005 ln (473/293) - 0.287 ln (800/80) = 0.8372 kJ/kg.K(b) Calculate the isentropic outlet temperatureT₂s = T₁ (P₂/P₁)^((γ - 1) / γ)= 293 (800/80)^((1.4 - 1) / 1.4) = 696.5 K(c) Calculate the actual outlet temperature.T₂ - T₁ = (Win/m) / Cp= (400 × 10³) / (0.0267 × 1.005) = 15047 KT₂ = 15047 + T₁ = 15047 + 293 = 15340 K(d) Calculate heat transfer.Q = m (Cp ΔT - ΔH)= 0.0267 × (1.005 × (15340 - 20) - 228.09)= -232.48 kW Therefore, the value of Q is -233 kW. MAIN ANS: Q = -233 kW (option c).

It is important to calculate heat transfer so that we can determine the energy required or generated by a system. We also determined the actual outlet temperature, entropy change, and isentropic outlet temperature.

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For this, the percent symbol (%) is employed. As an illustration, 7 is divisible by 3 twice, leaving 1 as the remainder, hence 7%3 == 1. So you must discover whether dividing the integer.

Use Python's remainder operator to determine if a value is divisible by 3. The number will be divisible if, for example, num%3 equals 0. Math. random()*1000 + 1; which, based on the outcome, will determine whether the integer is divisible by 3 or 5. 409 is not divisible by 3 because 13 is an example of a number that is not divisible by 3. If the sum of a number's digits cannot be divided by 3, then the number is not divisible by 3. 4 + 0 + 9 = 13, because 13 is not divisible by 3, thus 409 cannot be divided by 3.

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When the variables are expressed in terms of fundamental dimensions, we get:

In physics, derived units are units that are formed by combining fundamental units such as length, mass, time, temperature, and electric charge. For example, velocity is a derived unit that combines length and time, expressed as meters per second (m/s).

The questions 24 to 29 are asking to express the given quantities in terms of fundamental dimensions. The unit of absorbed radiation dose is the joule per kilogram (J/kg).

The unit of electrical field is volts per meter (V/m). The unit of acoustic impedance is pascals per second per meter (Pa s/m). The unit of magnetic permeability is henries per meter (H/m). The unit of ideal gas constant is atmospheres times liters per mole times kelvin (atm L/(mol K)).

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Answer:

agriculture,defense,industry,science

Explanation:

Edg 2021

Possible candidate keys for this automobile dealership include the stock number and the vehicle identification number (VIN), as they are unique identifiers for each vehicle in the dealership's inventory.

The likely primary key would be the stock number or VIN, as they are both unique and can be used to easily search and retrieve information about a specific vehicle.A probable foreign key could be the invoice number, as it may be used to link vehicle information with the dealership's accounting system. For example, a sales transaction for a specific vehicle may reference the invoice number, which can be used to retrieve the invoice cost and other financial information.Potential secondary keys could include the make, model, year, and color of the vehicle. These fields can be used to search and filter the inventory based on specific criteria, such as finding all vehicles of a certain make or year.

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Answer: c. Centre of pressure​

Explanation:

Pressure is applied on a surface when a force is exerted on a particular point on that surface by another object when the two come into contact with each other.

The point where the pressure is applied is known as the centre of the pressure with the force then spreading out from this point much like an epicentre in an earthquake.

Manipulation involves the intentional control of a situation by a person, whereas evocation is the process through which people elicit responses from others simply by displaying certain behaviors.

Manipulation is a term used in psychology to refer to the intentional control of a situation or environment by a person. It can be used to gain control over others, influence their behavior, or alter their perceptions.

Manipulation can be positive or negative, depending on the intention of the person doing the manipulating. Some forms of manipulation may involve deception, coercion, or exploitation.

On the other hand, evocation is a process through which people elicit responses from others simply by displaying certain behaviors. This is often done unintentionally, without the person being aware that they are having an impact on others.  

Unlike manipulation, evocation does not involve intentional control over a situation or environment.

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The spacing between sidebands is equal to 6 kHz.

Given the following data:

A sideband can be defined as a band of frequencies that are lower or higher than the carrier frequency due to the modulation process. Thus, it will either be lower than or higher than the carrier frequency.

Generally, the frequency of the modulating signal is equal to the spacing between the sidebands. Therefore, a modulating signal of 3 kHz simply means that the lower sideband is 3 kHz higher while the upper sideband is 3 kHz lower.

Spacing = 3 kHz + 3 kHz = 6 kHz.

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Since the beginning of filmmaking, linear video editing has been a popular cutting technique. Before digital formats, editing methods for images and films were done on celluloid film.

It is crucial for businesses since it enables them to stand out from rivals and increase their competitiveness. Software development may enhance customer experiences, increase the number of feature-rich and innovative goods available on the market, and increase the security, efficiency, and productivity of organizations.

A computer product is simply technology that has been created and maintained again for advantage of a user base, frequently to fill a market demand. The majority of us use several software packages every day.

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Answer:

Explanation:

The probability of n bits being in error is 10Cn × p^n, where ...

  10Cn = 10!/(n!(10-n!))

  10C1 = 10

  10C2 = 45

  10C3 = 120

This is the product of the probability that n bits can be in error and the number of ways that n bits can be chosen from the 10 in the word.

  n = 1: 10p

  n = 2: 45p²

  n = 3: 120p³

Disc brakes offer several advantages over drum brakes.

A) Better heat dissipation   - Disc brakes have a rotor exposed to air, allowing for efficient heat dissipation and reduced brake fade during heavy braking.

B) Improved stopping power - Disc brakes provide stronger and more consistent braking performance, enabling shorter stopping distances.

C) Easier maintenance  - Disc brakes are easier to inspect, service, and replace, making maintenance tasks more straightforward.

D) Reduced weight - Disc brakes are generally lighter than drum brakes, contributing to overall vehicle weight reduction and improved fuel efficiency.

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After the replacement of loading with equivalent force-couple system, Therefore, loadings (c) and (h) are equivalent.

in System Equivalents: two force-couple systems that have the same net moment and net force on a body.

RA= -(300+200)

= -500N

MA=400N.M +200*3

MA=1000N.M

RA=200+300

=500N

MA= -400+300*3

=500N.M

RA= -(200+300)

= -500N

RA=500N

MA=400-500*3

= -11OON.M

(B) No '2' beams are equivalent

Your question is incomplete, Find the attachment 'missing part'

The explanation is in attachment on Explanation 1 &2 attachment

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In an electric field, a capacitor is a device that stores electrical energy. It has two terminals and is a passive electrical component. Capacitance refers to a capacitor's effect.

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Given :

Mass of gasoline , m = 50 kg .

Length of tank , l = 0.9 m.

Breadth of tank , b = 0.5 m .

Relative density of gasoline , R.D = 0.75 .

Density of water , \(\rho_{water}=1000\ kg/m^3\) .

To Find :

The depth of tank .

Solution :

We know ,

\(R.D=\dfrac{\rho_{gasoline}}{\rho_{water}}\\\\\rho_{gasoline}=0.75\times 1000 \ kg/m^3\\\\\rho_{gasoline}=750\ kg/m^3\)

Now , volume of gasoline is :

\(V=\dfrac{m}{\rho_{gasoline}}\\\\V=\dfrac{50}{750}\ m^3\\\\V=\dfrac{1}{15}\ m^3\)

Since , the tank is rectangular , volume is given by :

\(V=l\times b\times h\\\\h=\dfrac{V}{l \times b}\\\\h=\dfrac{1}{15\times 0.9\times 0.5}\ m\\\\h=0.148\ m=14.8\ cm\)

Therefore , the answer in centimetres is 14.8 cm .

Hence , this is the required solution .

To cool a given room it is necessary to provide 4 ft³/s of air through an 8-inches diameter pipe, for this Entrance length in this pipe = 17.7 ft

Q = 4ft³/s

Diameter = D = 8 inches

Entrance length in this pipe = \(l_{e}\) = ?

By using flow rate formula:

V = Q/A

V= Q/ π/4*D²

= 4ft³/s / π/4 (8/12 ft)²

V= 11.5 ft/s

Thus, with ν = 1.57 x 10⁻⁴ft²/s (value from table)

Re = VD/ν

Re = 11.5 ft/s (8/12 ft)/1.57x10⁻⁴ft²/s

Re = 48,800 > 4000 (based on the criteria)

so, the flow is turbulent

Hence,

\(l_{e} / D\) = \(4.4 R_{e}^{1/6}\)

\(l_{e}\) = 4.4 (48,800)\(^{1/6}\) (8/12)

\(l_{e}\) = 17.7 ft

Entrance Length of an 8-inch diameter pipe = 17.7 ft

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