1. The density of a gas is 1.8 kg/m3. Determine the gas specific volume in m3/kg. ?2. 60 degree F water fills a container. The container is a box with width2 feet, length 7 feet and height 5 feet. Determine in pounds the weight of the water ?

A phonocardiograph is a machine that listens to and studies heart sounds.

A cardiograph is a machine that records how the heart makes electricity.

The main difference between these devices is the type of information they capture. A phonocardiograph focuses on capturing and analyzing heart sounds, while a cardiograph (ECG) records the electrical activity of the heart.

A phonocardiograph  tool listens to the sounds your heart makes and makes them louder. It helps doctors check how well your heart is working and find any problems.

A cardiograph: An electrocardiogram (ECG) is like a picture of the electrical activity of the heart's muscles. It shows up as a squiggly line on a screen. This test helps doctors find problems with the heart.

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I'm sorry, but I am unable to generate visual content or sketches as a text-based AI model. However, I can describe the schematic of a MOSFET-based single quadrant amplifier for a DC motor.

A MOSFET-based single quadrant amplifier for a DC motor typically consists of a power MOSFET, a gate driver circuit, and the DC motor itself.

The power MOSFET acts as the main amplifier component for controlling the motor's speed and direction. The gate driver circuit is responsible for providing the necessary voltage and current to drive the MOSFET.

In the schematic, the MOSFET is connected in a common source configuration, with the source terminal connected to the ground and the drain terminal connected to one terminal of the DC motor. The other terminal of the DC motor is connected to a DC power supply. The gate terminal of the MOSFET is connected to the output of the gate driver circuit.

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The border of the outlet box may be placed back up to 1/4 inch from the completed surface in walls or ceilings made of noncombustible materials like concrete or tile.

Giving architectural details a slight twist will be popular in 2023; examples include switching out squares for triangles in a coffered ceiling, using a different shade or material for the tray ceiling's top, and using inventive lighting.

Trusscore Wall&CeilingBoard can be used in place of drywall for ceilings. Because Wall&CeilingBoard weighs less than pounds for a seven length, installation only requires one person.

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Maintenance Management is an essential aspect of the scope of work for Property Managers. It involves the process of overseeing, planning, and implementing the upkeep and repair of a property to ensure its optimal condition.

Property Managers are responsible for coordinating routine maintenance tasks, addressing emergency repairs, and organizing preventative measures to maintain the property's value and safety. Their duties include scheduling inspections, working with contractors, and managing budgets. By effectively handling Maintenance Management, Property Managers play a crucial role in preserving the property's overall functionality and appearance, contributing to tenant satisfaction and long-term success.

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Answer:

"Physical" would be the right approach.

Explanation:

So the answer here is just the perfect one.

Answer:

2-8

6-8

= -6

-2

= 3

because the minus cancels each other and then 6 divided by 2 is 3

Answer is: letter B.Condenser

Explanation:

common issue associated with an air conditioner screeching noise is a malfunctioning fan motor in the outdoor condenser unit. The central air conditioning system connected to your home features a fan that is designed to remove heat from the refrigerant.

A) Use social engineering to trick a user into opening a malicious APK

All of your client's employees use Android cellphones, which support third-party apps, thus social engineering to deceive a user into opening a malicious APK would probably be the best approach for exploiting those.

You must first ascertain whether the client's staff use Android or iPhones before you can target mobile devices. You can use social engineering to persuade an Android user to install a malicious APK if they have Android phones. As Android phones allow the installation of third-party apps, the customer can download the app directly from your website.

Indeed, by default, Android phones and other devices do not permit the installation of software from untrusted sites. Fortunately, enabling the functionality is really simple.

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Option A. Use social engineering to trick a user into opening a malic ious APK

Before assessing any vulnerabilities on the client's mobile devices, it's crucial to determine whether the employees use Android or iPhones. In the case of Android devices, social engineering techniques can be used to trick a user into unwittingly downloading and installing a harmful APK file. As Android devices support third-party apps, the attacker can create a fake app and host it on a website, where the user can download it directly to their device.

By default, Android devices do not allow installation of apps from untrusted sources, but this restriction can be bypassed by enabling the appropriate settings on the device. It's important to note that any security testing or activities aimed at assessing the client's system's vulnerabilities must be conducted in a legal and ethical manner and only with proper authorization.

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The advantage is that the valve opens to full flow with a very small pressure difference once the balance is lost. With a pilot-operated relief valve, the typical crack-to-full flow pressure is between 50 and 100 PSI.

Pilot-operated relief valves (PORV), like other pressure relief valves (PRV), are utilized for emergency relief during overpressure situations (such as when a tank becomes excessively hot and the expanding fluid raises the pressure to dangerous levels). Depending on the manufacturer and the application, PORV are also known as pilot-operated safety valve (POSV), pilot-operated pressure relief valve (POPRV), or pilot-operated safety relief valve (POSRV). Technically, POPRV is the most general term, but PORV is frequently used to refer to valves in liquid service .

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Answer: 15%

Explanation:

Frequency of obtaining = 63/420 = 0.15 = 15%

Answer:

I have attached a digital diagram, hopefully it helps!

The aluminum atom has 13 protons and 13 electrons. Its atomic number is 13, indicating the number of protons.

The nucleus of the atom contains these protons, which have a positive charge, as well as neutrons, which have no charge. The electrons, which have a negative charge, orbit around the nucleus in energy levels or shells.

The first shell can hold up to 2 electrons, while the second and third shells can hold up to 8 electrons each. In the case of aluminum, the first two shells are filled with 2 and 8 electrons, respectively, and the third shell contains the remaining 3 electrons.

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1) True 2) True 3) True 4) False 5) False

1) False. The grouping of two or more class networks together is called supernetting or route summarization.
2) False. The User Datagram Protocol (UDP) is a connectionless protocol that does not guarantee reliable delivery of data, but it is not used to speed up data transfers.
3) False. Borrowing two host bits will create four subnets, but to create four subnets only one host bit needs to be borrowed.
4) True. Both IP addresses have the same network portion, which is determined by the subnet mask. Therefore, they are in the same subnet.
5) False. CIDR blocks are still used in IPv4 and IPv6 networks to efficiently allocate and manage IP addresses and subnets.
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fertile, infertile and corroded soil

Answer:

Flow rate = 118.8 gpm, discharge pressure= 331.5 psig, shaft power = 26.3 hp and Efficiency = 87.5%.

Explanation:

Without mincing words, let us dive straight into the solution to the question above. So, the following parameters or data are given in the question above:

gpm = 80 gpm, shaft power = 8hp, and the pressure of  150 psig.

The flow rate =[ 80 × 1500] ÷ 100g = 118.9 gpm.

Hence, the discharge pressure = 150 × [ 1500/100]² = 331.5 psig.

Also, the required shaft power = 8 × [ 1500/100]³ = 26.3 hp.

The last part that is the efficiency can be calculated as given below:

Efficiency = [ 80 × 0.00223 × 144 × 150 ] ÷ [550 × 8 ] = 0.875 = 87.5%.

Answer:

Explanation:

B evaporator outlet: on the suction line between the evaporator and the compressor

Answer:

Energy Saved = 6.93 x 10⁹ Btu

Cost Saved = $ 30145.5

Explanation:

The energy generated by each boiler can be given by the following formula:

\(Annual\ Energy = (Heat\ In)(Combustion\ Efficiency)(Operating\ Hours)\)

Now, the energy saved by the increase of efficiency through tuning will be the difference between the energy produced before and after tuning:

\(Energy\ Saved = (Heat\ In)(Efficiency\ After\ Tune - Efficiency\ Before\ Tune)(Hours)\)\(Energy\ Saved = (5.5\ x\ 3\ x\ 10^{6}\ Btu/h)(0.8-0.7)(4200\ h)\)

Energy Saved = 6.93 x 10⁹ Btu

Now, for the saved cost:

\(Cost\ Saved = (Energy\ Saved)(Unit\ Cost)\\Cost\ Saved = (6.93\ x\ 10^{9}\ Btu)(\$4.35/10^{6}Btu)\\\)

Cost Saved = $ 30145.5

The shape of a bridge is determined by the material it's made of. Bridges are made from different materials such as wood, steel, stone, and reinforced concrete.

Stone bridge: A stone bridge is built from stone blocks or stones that are cut and fitted together. The shape of a stone bridge is typically arched or curved. This is because stone is a very heavy and dense material that can withstand a lot of pressure. The arched shape of the stone bridge helps distribute the weight of the bridge evenly across the supporting pillars.

Steel bridge: A steel bridge is made from steel beams or trusses. The shape of a steel bridge is typically angular and geometric. This is because steel is a very strong material that can be easily molded and shaped into different shapes. The angular shape of the steel bridge helps distribute the weight of the bridge evenly across the supporting pillars. The shape also helps provide stability and prevent the bridge from swaying or moving in high winds.

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a. To estimate the carbon content of the steel, we need to consider the carbon content of pearlite and ferrite. Pearlite typically has a carbon content of around 0.76% while ferrite has a very low carbon content, close to 0%.

Using these values and the proportions of pearlite and ferrite in the microstructure, we can calculate the estimated carbon content:

Carbon Content = (%Pearlite * Carbon Content of Pearlite) + (%Ferrite * Carbon Content of Ferrite)

             = (0.4 * 0.76) + (0.6 * 0)

             = 0.304

Therefore, the estimated carbon content of the steel is approximately 0.304 (or 0.30%).

b. If the steel is heated to 730 degrees C and held there for a long period of time, it would reach the eutectoid temperature. At this temperature, the microstructure that would be obtained is known as spheroidite. Spheroidite is a fine dispersion of cementite particles within a ferrite matrix. It forms when pearlite is heated above the eutectoid temperature and held for a sufficient time.

c. If the steel is heated to 850 degrees C, it would be above the critical temperature known as the austenitizing temperature. At this temperature, the steel would transform completely into the austenite phase. Austenite is a solid solution of carbon in iron with a face-centered cubic (FCC) crystal structure. It is non-magnetic and can dissolve a significant amount of carbon. Therefore, the equilibrium microstructure at 850 degrees C would be austenite.

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It is to be noted that in OSHA, reducing time lost due to injuries and accidents can lead to increased productivity and efficiency, improved financial performance, and better employee morale and retention.

The Occupational Safety and Health Act of 1970 established the Occupational Safety and Health Administration (OSHA) to safeguard employees' safety and health by creating and enforcing standards and providing training, outreach, information, and support.

Reducing time lost due to injuries and accidents can have a number of advantages for a business. By reducing injuries and accidents, a firm may save time and money on absenteeism, medical care, and workers' compensation claims. This can lead to enhanced production and efficiency, which can contribute to better financial performance.

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The amplitude of the sinusoid is 28384 *x soít cos.

Amplitude is defined as the greatest deviation from equilibrium of a point on a vibrating body or wave in terms of displacement or distance traveled. In most cases, amplitude is calculated by looking at a wave graph and determining the height of the wave from rest. The strength or intensity of the wave is gauged by its amplitude.

Sinusoid is defined as a signal with sine wave characteristics. In the liver, spleen, and bone marrow, sinusoids and irregular tubules transport blood in place of venules and capillaries. The sine or cosine functions from trigonometry form the foundation of sinusoidal signals, which are periodic functions.

Thus the amplitude of the sinusoid is 28384 *x soít cos.

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From the given options, two security services that cryptographic systems provide are Non-repudiation and Confidentiality. Hence, options (a) and (e) hold the correct answers.

Cryptographic systems are systems that are designed using a set of rules and algorithms that convert plaintext to ciphertext. By converting plaintext into ciphertext, cryptographic systems ensure that messages or data are transferred more securely. In simple words, cryptographic systems provide services of information security.

Among multiple security services, the two fundamental security services provided by the cryptographic system are non-repudiation and confidentiality.

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The correct statement regarding the inertial reference frame is:

d. An inertial reference frame can move with a non-constant velocity

An inertial reference frame is a reference frame in which Newton's laws of motion hold true without the need for additional forces or acceleration. According to the principle of relativity, an inertial reference frame can be in any state of uniform motion, including a non-constant velocity.

Option a is incorrect because an inertial reference frame does not necessarily have to be fixed. It can be in motion with a constant velocity.

Option b is incorrect because a reference frame fixed to the Earth can be considered an inertial reference frame if the motion of the Earth is considered negligible in the specific context.

Option c is incorrect because the correct statement exists among the given options.

Option e is incorrect because an inertial reference frame does not involve rotations. It only involves linear motion with constant velocity.

Therefore, the correct statement is that an inertial reference frame can move with a non-constant velocity (option d).

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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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The stress applied to the polycrystalline cylindrical rod is approximately 381,900 kPa.

The deformation of a polycrystalline cylindrical rod can be determined using the concept of stress and strain.

Stress is the force applied per unit area, while strain is the deformation that occurs in response to stress.

To calculate the stress, we divide the tensile load by the cross-sectional area of the rod.
First, let's calculate the cross-sectional area of the rod using the given diameter.

The formula for the area of a circle is A = πr^2, where r is the radius.

Since the diameter is given, we can divide it by 2 to get the radius.
Given:
Length of rod = 120 mm
Diameter of rod = 10 mm
Radius (r) = diameter / 2 = 10 mm / 2 = 5 mm = 0.005 m
Now, we can calculate the cross-sectional area:
A = πr^2 = π(0.005 m)^2 = 0.00007854 m^2
Next, we can calculate the stress:
Stress = Force / Area
Stress = 30 kN / 0.00007854 m^2 = 381,900 kPa (approx.)
So, the stress applied to the polycrystalline cylindrical rod is approximately 381,900 kPa.
The stress applied to the polycrystalline cylindrical rod is approximately 381,900 kPa.

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The questions that would be relevant to conducting a building's life-cycle assessment? (Select all that apply.)

C. Will the building generate any pollution?

D. How long is the building expected to last?

Building's life-cycle assessment is a comprehensive evaluation of the environmental impacts of a building throughout its entire life cycle, including raw material extraction, transportation, construction, operation, maintenance, renovation, and demolition.

It aims to identify ways to reduce the building's environmental impact and promote sustainability. Relevant factors to consider in a building's life-cycle assessment may include energy efficiency, water usage, waste generation, greenhouse gas emissions, and the use of sustainable materials and practices. Additionally, the expected lifespan of the building is also a crucial factor to consider in the life-cycle assessment as it determines the overall environmental impact of the building over time.

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All of the aforementioned are true characteristics and properties of aluminum except: B. is resistant to galvanic corrosion.

Aluminum can be defined as a silvery white metal and it is considered to be the most abundant metal found in the Earth's crust. Also, it is represented with the chemical symbol "Al" and it has an atomic number of thirteen (13).

This ultimately implies that, aluminum is found in Group 3 on the periodic table because it has three (3) valence electrons, which are found in the outermost shell of its atomic nucleus.

Some of the characteristics and properties of aluminum include the following:

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Answer:

In  case whereby you  work for rev and check your work email on your mobile phone and You have decided to resign your job and take a position with a different company. Regarding rdm on your mobile phone, you should B. Take your phone to IT Services, and they will wipe it clean.

What is expected to do when leaving the company?

It is expected from you to return anything that belong to the company before leaving the company, but in the case whereby there is still a rdm on your mobile phone, then you can work to the IT services so they can wipe it away.

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Missing options:

A. Turn your phone to IT Services

B. Take your phone to IT Services, and they will wipe it clean

C. Download RDM to your personal computer

D. Call IT Services for support, and they will assist

E. Nothing. IT Services will automatically remove all data