A car makes a hissing noise each time the A/C system and engine are turned off. Technician A says that the noise is caused by a refrigerant leak. Technician B says that the noise is caused by equalization of system pressures. Who is correct?

Pseudocodes are used as a prototype of an actual program.

The error in the pseudocode is that, the while loop in the pseudocode will run endlessly.

From the pseudocode, the first line is:

Declare Boolean finished = false

The while loop is created to keep running as long as finished = false.

So, for the while loop to end, the finished variable must be updated to true.

This action is not implemented in the pseudocode.

Hence, the error in the pseudocode is that, the while loop is an endless loop

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Answer:

A sole proprietorship, also known as the sole trader, individual entrepreneurship or proprietorship, is a type of enterprise that is owned and run by one person and in which there is no legal distinction between the owner and the business entity.

Explanation:

Answer:

A business owned by one people is a-Sole proprietorship

Explanation:

This is correct i did it for my electives class which was career reaserch and decision making.

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Answer:

Explanation:

The positive (red) cable should be attached to the positive terminals on each battery. The negative (black) cable should have one end attached to the negative terminal of the dead battery, and one end grounded.

Start by connecting the positive (often red) clamps of the jumper cables to the positive terminals of your battery. These are often marked, but they can be hard to see. Be sure to look closely to ensure that you are connecting to the right portion of the battery.

Answer:

You'd need to know things like the weight of the car, the spring constant of the suspension springs.

Explanation:

Driving over the curb slowly does not have much of an "impact" because of the small potential energy it has but to find the force that results from going over the curb at a much higher speed, you would need to know the weight of the car since it directly impact the force that it applies. You also would need to know about the car's suspension, the spring material, how stiff the springs are and their spring constant to calculate the force they absorb.

I hope this answer helps.

Answer:

X = 1 (1st digit in the code)

Y = 0 (2nd digit)

Z = 4 (3rd multiplier digit)

104 → 10 × 10^4 Ω

→ 10 × 10000Ω

→ 100 kΩ

resistors are marked 104, 105, 205, 751, and 754. The resistor marked with 104 should be 100kΩ (10x10^4), 105 would be 1MΩ (10x10^5), and 205 is 2MΩ (20x10^5). 751 is 750Ω (75x10^1), and 754 is 750kΩ (75x10^4).

Here we need to understand how a code in a resistor gives us information on the resistor. Here we will see that the code means that the resistance is 100,000 Ω.

When we use numbers, let's assume that we have 3 single-digit numbers abc.

So if the code in our resistor is abc, this will mean that the resistance of the resistor is:

ab×10^c Ω

Using this general rule we can see that if the code is 104, then the resistance will be:

r = 10×10^4 Ω

 = 100,000 Ω

Then we can conclude that the resistive value of this resistor is  100,000 Ω

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The total capacitance of a series combination of capacitors can be calculated by using this formula: 1/(1/C₁ + 1/C₂ + 1/C₃ + 1/C₄).

Basically, the components of an electrical circuit can be connected or arranged in two forms and these are;

Mathematically, the total (equivalent) capacitance (\(C_{eq}\)) of an electrical circuit containing capacitors which are connected in series can be calculated by using this formula:

1/Ceq = 1/C₁ + 1/C₂ + 1/C₃ + 1/C₄

Ceq = 1/(1/C₁ + 1/C₂ + 1/C₃ + 1/C₄).

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Based on the image attached, the reading of micrometer is= 15.20.

You will see a line of numbers running down the barrel of your micrometer, starting with the barrel scale. On the barrel scale, each number corresponds to 0.100. Looking at the barrel, 1 equals 0.100, 2 equals 0.200, 3 equals 300, and so on. The distance between each tick mark and the larger numbers on the barrel is 0.025, or 25 thousandths. 

Note that micrometer is one that is also referred to as a micrometer screw gauge—is a tool with a calibrated screw that is frequently used for precise measurement of components in mechanical engineering, and others.

Looking at the image, you will see the stop ends at 15 and  and 20 so adding them together will be option A. 15.20.

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Answer:

sorry I don't speak your language sorry

Answer:

a) \(\mathbf{Q_c = -3730.8684 \ Btu/hr}\)

b) \(\mathbf{\sigma _c = 4.3067 \ Btu/hr ^0R}\)

Explanation:

From the properties of Super-heated Refrigerant 134a Vapor at \(T_1 = 40^0 F\), \(P_1 = 30 \ lbf/in^2\) ; we obtain the following properties for specific enthalpy and specific entropy.

So; specific enthalpy \(h_1 = 109.12 \ Btu/lb\)

specific entropy \(s_1 = 0.2315 \ Btu/lb.^0R\)

Also; from the properties of saturated Refrigerant 134 a vapor (liquid - vapor). pressure table at \(P_2 = 160 \ lbf/in^2\) ; we obtain the following properties:

\(h_2 = 115.91 \ Btu/lb\\\\ s_2 = 0.2157 \ Btu/lb.^0R\)

Given that the power input to the compressor is 2 hp;

Then converting to  Btu/hr ;we known that since 1 hp = 2544.4342 Btu/hr

2 hp = 2 × 2544.4342 Btu/hr

2 hp = 5088.8684 Btu/hr

The steady state energy for a compressor can be expressed by the formula:

\(0 = Q_c -W_c+m((h_1-h_e) + \dfrac{v_i^2-v_e^2}{2}+g(\bar \omega_i - \bar \omega_e)\)

By neglecting kinetic and potential energy effects; we have:

\(0 = Q_c -W_c+m(h_1-h_2) \\ \\ Q_c = -W_c+m(h_2-h_1)\)

\(Q_c = -5088.8684 \ Btu/hr +200 \ lb/hr( 115.91 -109.12) Btu/lb \\ \\\)

\(\mathbf{Q_c = -3730.8684 \ Btu/hr}\)

b)  To determine the entropy generation; we employ the formula:

\(\dfrac{dS}{dt} =\dfrac{Qc}{T}+ m( s_1 -s_2) + \sigma _c\)

In a steady state condition \(\dfrac{dS}{dt} =0\)

Hence;

\(0=\dfrac{Qc}{T}+ m( s_1 -s_2) + \sigma _c\)

\(\sigma _c = m( s_1 -s_2) - \dfrac{Qc}{T}\)

\(\sigma _c = [200 \ lb/hr (0.2157 -0.2315) \ Btu/lb .^0R - \dfrac{(-3730.8684 \ Btu/hr)}{(40^0 + 459.67^0)^0R}]\)

\(\sigma _c = [(-3.16 ) \ Btu/hr .^0R + (7.4667 ) Btu/hr ^0R}]\)

\(\mathbf{\sigma _c = 4.3067 \ Btu/hr ^0R}\)

Answer:

 So its area A = 4 * 4sqrt(2) = 16sqrt(2) inches^2

Explanation:

In order to find the area of the section, we need to find the length of one of the diagonals.

Using the Pythagorean Theorem, a^2 + b^2 = c^2, we pick any side of the cube which in

itself is a square with sides 4 inches each.  The length of the diagonal of the square is

2(4^2) = c^2  or c = 4sqrt(2).

To calculate the area of the section, we must first determine the length of one of the diagonals. Using the Pythagorean Theorem, \(\bold{a^2 + b^2 = c^2}\), one selects any side of the cube which in its a square with four-inch sides.

           \(\to 2(4^2) = c^2 \\\\ \to c = 4\sqrt{(2)}\)

      \(\to A = 4 \times 4\sqrt{(2)} = 16\sqrt{(2)}\ inches^2\)

Therefore, the answer is "\(\bold{ 16\sqrt{(2)}\ inches^2}\)".

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Answer:

Use a non digital multimeter.

Explanation:

If a digital multimeter displays "000" when reading amperage, the technician should adjust the multimeter to a higher amperage range.

This is because "000" typically indicates that the current being measured is too low for the current range selected on the multimeter.

By switching to a higher amperage range, the technician can get a more accurate reading and ensure that the multimeter is properly measuring the current in the circuit under test.

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Explanation:

1. Both a and b only

2. A only

3. B only

4.Neither a or b

Answer:

answer below:

Explanation:

Before the Industrial Revolution, transportation relied on animals (like horses pulling a cart) and boats. Travel was slow and difficult. It could take months to travel across the United States in the early 1800s before industrial revolution

The Industrial Revolution completely changed the way people traveled and how goods were transported.

the problem of traveling upstream was solved during the industrial revolution by the steam engine. in order to make better use of water transportation, canals were build to connect rivers, lakes and oceans. the invention of the railroad and the steam powered locomotive opened up a whole new world in transportation. even with steamboats and railroads, people still needed a better wat to travel between rivers and train stations. a new process called the "macadam " process was used to create smooth gravel roads

I hope this helps a bit.

A project team may choose to prepare a low-fidelity version of a website design using sticky notes for several reasons:

Sticky notes allow for quick and easy changes. Since they are easy to move around and modify, the team can iterate on the design quickly, making adjustments and improvements without investing significant time or resources. This promotes an iterative design process, enabling the team to refine and enhance the design rapidly.Collaboration and Communication: Sticky notes facilitate collaboration and communication among team members. They can be easily placed on a whiteboard or a wall, allowing everyone to visualize and discuss the design together. Team members can share their ideas, suggestions, and feedback by directly manipulating the sticky notes, fostering effective communication and collaboration within the team.Low Cost and Accessibility: Sticky notes are affordable and readily available, making them a cost-effective option for creating prototypes. Compared to digital design tools or high-fidelity prototypes, sticky notes are inexpensive and accessible to all team members, regardless of their technical expertise. This inclusivity encourages participation from different stakeholders and promotes a diverse range of perspectives during the design process.Focus on Conceptual Design: Low-fidelity designs with sticky notes primarily focus on the conceptual aspects of the website, such as layout, content organization, and user flow. By avoiding intricate details or visual aesthetics, the team can concentrate on the fundamental structure and functionality of the design. This allows for early validation and testing of design concepts before investing significant time and resources in higher-fidelity prototypes.Emphasis on User Experience: Sticky notes enable the team to simulate user interactions and test the usability of the design. By physically moving and rearranging the sticky notes, the team can simulate user flows and assess the user experience. This hands-on approach allows for early identification of potential usability issues, leading to design improvements and a better user experience.

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Answer:

Answer to the following question is as follows;

Explanation:

The amount of alcohol consumption can be influenced by a variety of things, including food.

The proportion and pace at which alcohol reaches the circulation is affected by drinking rate, body mass, and the size of the beverage. Alcohol enters your system as soon as it reaches that first sip, as per the National Institute on Drug Abuse and Alcoholism. After 10 minutes, the results are noticeable.

The annual power bill for this customer would be $1,076. This includes the cost of 400 kWh per month at $0.08 per kWh, plus 12 monthly blocks of 145 kWh green power at an additional cost of $3.50 per month.

The average cost per kWh with green power during the year would be $0.087 per kWh. This is calculated by the sum of  monthly cost of 400 kWh at $0.08 per kWh, plus the 12 monthly blocks of 145 kWh green power at an additional cost of $3.50 per month, and dividing by the total number of kilowatt-hours used during the year (400 + 145 = 545).

There are a few factors that could make green energy more expensive than traditional energy. First, compared to conventional power, the infrastructure for producing and delivering green energy is frequently more expensive. Second, suppliers can charge more since there is frequently a greater demand for green energy than for conventional energy.

Green power is defined as electricity generated from renewable energy sources similar as solar, wind, geothermal, biogas, eligible biomass, and low- impact small hydroelectric sources.

Therefore, green power may be more expensive than conventional power due to government incentives or regulations.

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The quartiles divide a set of observations into four portions, each representing 25% of the observations, together with the minimum and maximum values of the data set. The interquartile range, a measurement of variation around the median, is calculated using quartiles.

Statistical file: {2, -6, 5}

Quartile Q1: -6

Quartile Q2: 2

Quartile Q3: 5.

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The given statement "register whose contents is modified upon performing the fetch step of the machine cycle" is false. It's the Program Counter whose contents are modified during the fetch step, not a general-purpose register.

The register whose contents are modified during the fetch step of the machine cycle is the Program Counter (PC), not a general-purpose register. During the fetch step, the PC holds the memory address of the next instruction to be executed. Once the instruction is fetched, the PC is incremented to point to the subsequent instruction in the memory. Thus, the contents of the PC are modified in this step, not the contents of any other general-purpose register.

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Answer:

Scalability

Explanation:

just took a test and it was right.

Answer:

D. a more detailed sketch that covers materials.

Explanation:

The design process typically involves several steps, starting with ideation and moving on to more detailed planning and execution. In this scenario, Manalo and Priya have already ideated and come up with a rough sketch of their idea for a portable air purifier. The next step in the design process would be to create a more detailed sketch that covers materials, as this would help them to better visualize and plan out the product's construction and manufacturing requirements. Only after this step is completed can they move forward to create a proposal for manufacturing the air purifier.

When you want to remove a stuck screw, there are some things you can try:  you should be cautious when working with metals because they can quickly corrode so, to remove the screw, you should use the right equipment and tools.

The following are some of the approaches you can use to remove the stuck screw: Using a rubber band: A rubber band can be wrapped over the screw head to get a good grip, then try unscrewing the screw while applying pressure in a counterclockwise direction with your screwdriver.Using heat: Heat the area surrounding the screw with a hairdryer or heat gun if possible, being careful not to harm the surrounding area. A heat gun is best because it produces a lot of heat. If the screw is rusted, heating it causes it to expand and break the bond that is keeping it locked. After it cools, the screw can be loosened with a screwdriver.

Try penetrating oil: WD-40 or Liquid Wrench can be used to remove the screw. Spray the penetrant around the screw head and allow it to sit for 30-60 minutes before attempting to unscrew it. The oil will break down any corrosion and loosen the bond between the screw and its surrounding area.Using pliers or vice-grips: If the screw head is protruding a bit, you might be able to grip it with a pair of pliers and unscrew it by turning it counterclockwise.

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Answer:

geolocation technologies, drones, automated transportation vehicles

Explanation:

The maximum current that should be measured before the transformer is overloaded when the primary is connected to 480V is 2.4 amps.

To calculate the maximum current that should be measured before the transformer is overloaded when the primary is connected to 480V, we need to use the formula I = VA/V.
First, we need to convert the VA rating from 360VA to watts, which is 360VA x 0.8 (power factor for a transformer) = 288 watts.

Next, we need to determine the secondary voltage, which is 120V.

Using the formula, I = 288/120 = 2.4 amps.

Therefore, the maximum current that should be measured before the transformer is overloaded when the primary is connected to 480V is 2.4 amps.

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Answer:

Tungsten element has the second highest melting point. Pure tungsten can easily cut down with the help of hacksaw.

Answer: Because it does not undergo oxidation and it has a very high melting point when it glows in bulb it temperature goes upto 2500°C

Step-by-step Explanation:

The strength is mainly depends on the some of factors which are described below.

●molecular structure:- The molecular structure is responsible fir the intermolecular force of a metal or material which causes the increase and decrease of strngth of a metal. Tungsten molecular structure is much stringer then that of aluminium.

●Temperature:-The temlerature also plays a rule in the strenghtNess of a metal. Tge high temprature makes a metal soft.

●Composition :- The composition is mostly important for the strengthnesa of material. For ex the pure iron metal is much weeker the alotrophy of iron.

Answer:

The temperature gauge showing that the vehicle has been running warmer or has recently began to have issues from overheating is  an idication that your vehicle may be developing a cooling system problem.

Explanation:

Answer:

Environmental Protection Agency (EPA)

Explanation:

Pollution can be defined as the physical degradation or contamination of the environment through an emission of harmful, poisonous and toxic chemical substances.

Environmental Protection Agency (EPA) is the organization that oversees environmental compliance.

In the United States of America, the agency which was established by US Congress and saddled with the responsibility of overseeing all aspects of pollution, environmental clean up, pesticide use, contamination, and hazardous waste spills is the Environmental Protection Agency (EPA). Also, EPA research solutions, policy development, and enforcement of regulations through the resource Conservation and Recovery Act.

Hence, the Environmental Protection Agency (EPA) is the governmental agency set up to ensure that various industries, factories and people comply with laws and regulations concerning the environment.

Answer:

EPA

Explanation:

The actual electric power generation is approximately 482,941.97 kW.

a. To determine the mechanical energy of air per unit mass and the power generation potential of a wind turbine with 80-m-diameter blades, we can use the following formulas:

1. Mechanical Energy of Air per Unit Mass:

The mechanical energy of air per unit mass (E) is given by:

E = (1/2) * V^2

- E is the mechanical energy per unit mass (kJ/kg)

- V is the wind speed (m/s)

Substituting the given wind speed of 16 m/s into the formula, we have:

E = (1/2) * (16^2) = 128 kJ/kg

2. Power Generation Potential of the Wind Turbine:

The power generation potential (P) of the wind turbine can be calculated using the formula:

P = (1/2) * ρ * A * V^3

- P is the power generation potential (kW)

- ρ is the air density (kg/m^3)

- A is the swept area of the turbine blades (m^2)

- V is the wind speed (m/s)

The swept area (A) of the turbine blades can be calculated using the diameter (D) of the blades:

A = (π/4) * D^2

Substituting the given diameter of 80 m into the formula, we have:

A = (π/4) * (80^2) = 5026.548 m^2

Now we can calculate the power generation potential:

P = (1/2) * (1.25 kg/m^3) * (5026.548 m^2) * (16^3) = 1,609,806.55 kW

b. To determine the actual electric power generation, assuming an overall efficiency of 30 percent, we can multiply the power generation potential (P) by the efficiency factor:

Actual Electric Power Generation = Efficiency * Power Generation Potential

Actual Electric Power Generation = 0.30 * 1,609,806.55 kW = 482,941.97 kW

Thus, the answer is approximately 482,941.97 kW.

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The actual electric power generation is approximately 482,941.97 kW.

a. To determine the mechanical energy of air per unit mass and the power generation potential of a wind turbine with 80-m-diameter blades, we can use the following formulas:

1. Mechanical Energy of Air per Unit Mass:

The mechanical energy of air per unit mass (E) is given by:

E = (1/2) * V^2

- E is the mechanical energy per unit mass (kJ/kg)

- V is the wind speed (m/s)

Substituting the given wind speed of 16 m/s into the formula, we have:

E = (1/2) * (16^2) = 128 kJ/kg

2. Power Generation Potential of the Wind Turbine:

The power generation potential (P) of the wind turbine can be calculated using the formula:

P = (1/2) * ρ * A * V^3

- P is the power generation potential (kW)

- ρ is the air density (kg/m^3)

- A is the swept area of the turbine blades (m^2)

- V is the wind speed (m/s)

The swept area (A) of the turbine blades can be calculated using the diameter (D) of the blades:

A = (π/4) * D^2

Substituting the given diameter of 80 m into the formula, we have:

A = (π/4) * (80^2) = 5026.548 m^2

Now we can calculate the power generation potential:

P = (1/2) * (1.25 kg/m^3) * (5026.548 m^2) * (16^3) = 1,609,806.55 kW

b. To determine the actual electric power generation, assuming an overall efficiency of 30 percent, we can multiply the power generation potential (P) by the efficiency factor:

Actual Electric Power Generation = Efficiency * Power Generation Potential

Actual Electric Power Generation = 0.30 * 1,609,806.55 kW = 482,941.97 kW

Thus, the answer is approximately 482,941.97 kW.

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The Transmission Control Protocol/Internet Protocol (TCP/IP) is one of the most widely used protocol suites for communication in the world. TCP/IP packets, on the other hand, are frequently targeted by cybercriminals, who attempt to penetrate the network or carry out other malicious actions. Option number 2, "Single-packet attacks" is not a category of suspicious TCP/IP packets.

TCP/IP packets can be categorized as suspicious based on a variety of indicators. We will discuss the categories of suspicious TCP/IP packets and how to detect them. Following are the categories of suspicious TCP/IP packets:

Based on the above explanation, option number 2, "Single-packet attacks" is not a category of suspicious TCP/IP packets. Hence, it is the right answer.

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The temperature at which the diffusion coefficient have a value of 2.1×10-5 m 2 /s is  -47078 K.

Using the relation;

logD = logDo - Ea/2.303RT

D = diffusion coefficient

Do =  preexponential

Ea = activation energy

R = gas constant

T = temperature

Substituting values;

log(2.1×10-5)= log (1.1×10-5 ) - 253,300/2.303 × 8.314 × T

log(2.1×10-5) -  log (1.1×10-5 ) =  - 253,300/2.303 × 8.314 × T

log[2.1×10-5/1.1×10-5] = - 253,300/2.303 × 8.314 × T

0.281 × (2.303 × 8.314 × T) = - 253,300

T =  - 253,300/2.303 × 0.281 × 8.314

T = -47078 K

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