The specific weight of the liquid is approximately 33.8824 pounds per square foot per foot (psf/ft).
What is the specific weight of a liquid ?We can use the equation:
Specific weight = pressure / depth
Given:
Pressure = 4 psi
Depth = 17 ft
Psi to pounds per square foot (psf) conversion yields:
1 psi = 144 psf
Pressure = 4 psi * 144 psf/psi = 576 psf
Now we can calculate the specific weight:
Specific weight = pressure / depth
Specific weight = 576 psf / 17 ft
Specific weight ≈ 33.8824 psf/ft
Therefore, the specific weight of the liquid is approximately 33.8824 pounds per square foot per foot (psf/ft).
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Where would an engineer indicate the unit of measurement used in a design
An engineer would indicate the unit of measurement used in a design in millimeters.
What are measurements?The primary unit of measurement is the stocking unit of measure for a given item in a specific organization. You must define an item attribute that serves as the primary unit of measurement when creating each item.
Because the technical drawings are scaled, engineers, architects, and builders may create the items according to exact specifications.
When understanding scales, the number on the left relates to the measurement of the drawing, while the number on the right represents the actual size of the object.
Therefore, a millimeter is used in a design.
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What does the range switch prevent
Water that has evaporated returns to earth as
Answer:
rain
Explanation:
evaoration causes clouds
clouds condense and rain
Answer:
rain
Explanation:
Technician a says that when fuel is being dosed to a dpf, the unit is being passively regenerated. technician b says that when fuel is being dosed to a dpf, the unit is being actively regenerated. who is correct
Note that when Technician says that when fuel is being dosed to a DPF, the unit is being passively regenerated, and technician B says that when fuel is being dosed to a DPF, the unit is being actively regenerated, the one who is correct is technician B.
What is a DPF?A diesel particulate filter (DPF) is an emissions control device that reduces the quantity of soot and other particles generated by diesel engines. It is a vital component of current diesel emissions control systems since it aids in the reduction of air pollution and the meeting of more stringent emissions requirements.
Note that the unit is actively regenerated when fuel is dosed to a DPF (diesel particulate filter).
Active regeneration entails injecting more fuel into the exhaust stream to raise the temperature of the DPF and burn off deposited soot. This operation is usually began when the DPF gets too clogged to efficiently filter out pollutants, and it is required to maintain the system's performance and efficiency.
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A wastewater treatment plant treats 20 MGD of wastewater containing 950 mg/L of suspended solids in a primary clarifier that has a 20% suspended solids removal efficiency. The rate of sludge collection, the flow rate out the bottom of the clarifier, is 0.08 MGD.
a) What is the solids concentration (in mg/L) in the sludge leaving the clarifier?
b) What mass of solids (in kg/y) is removed annually by the primary clarifier?
Answer:
a) 47500 mg/L
b) 5250366.444 kg/year
Explanation:
Given data:
suspended solids removal efficiency = 20%
Flowrate in the primary clarifier ( Q ) = 20 MGD ( change to Liters/day
Q = 20* 10^6 * 3.785412 Liters /day
settled concentration ( St ) = 950mg/L * 0.2 = 190 mg/L
amount of settled solid = Q * St
= ( 20* 10^6 * 3.785412 ) * 190 = 14384.5656 kg/day
∴ Amount going into sludge with a flowrate of 0.08 MGD = 14384.5656 kg/day
a) concentration of solid in sludge ( leaving the clarifier )
= amount of settled solid / flow rate out of the clarifier in liters/day
= 14384.5656 / ( 0.08 * 10^6 * 3.785412 )
= 0.0475 kg/L
= 47500 mg/L
b) Determine mass of solids that is removed annually
= 14384.5656 kg/day * 365 days
= 5250366.444 kg/year
Why is the reversed Carnot cycle executed within the saturation dome not a realistic model for refrigeration cycles?
Explanation:
The paths of warmth and job interactions are inverted by repeating the Carnot process. A Carnot fridge or a Carnot heating system is considered a fridge or heat engine that acts on the reverse Carnot cycle.
The Carnot process comprises liquid phase mixture compression and expanding, which limits mechanical components.
manufacturers shall design their medical air compressors to exclude _______ from the air stream and compression chamber?
Manufacturers shall design their medical air compressors to exclude contaminants from the air stream and compression chamber.
Medical air compressors are critical devices used in healthcare settings to provide clean and compressed air for various medical applications. To ensure patient safety and prevent the introduction of harmful substances, manufacturers follow strict guidelines and regulations. They design the compressors in a way that excludes contaminants from the air stream and compression chamber. Contaminants can include particles, microorganisms, moisture, oil, and other impurities that could compromise the quality of the compressed air. By excluding these contaminants, medical air compressors maintain the integrity and purity of the air supply, meeting the necessary standards and ensuring the safety of patients and healthcare professionals.
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what is the advantage of decreasing the field current of a separately excited dc motor below its nominal value
Answer:
Ability to rotate at higher speeds
Explanation:
Constant K1 becomes greater than the other constant K2
This translates to that the motor being able to rotate at high speeds, without necessarily exceeding the nominal armature voltage.
The armature voltage is the voltage that is developed around the terminals of the armature winding of an Alternating Current, i.e AC or a Direct Current, i.e DC machine during the period in which it tries to generate power.
What are the maximum weights for single, tandem and 5-axle combinations?
what is the marking menu fusion360
The 'marking menu' opened up ways for me to access the most commonly used commands and tools with a flick of the wrist. What's more impressive is that its dependent on workspace, so you can use it in all parts of the design!
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A machine used to lift motorcycles consists of an electric winch pulling on one supporting cable of a block and tackle system. The winch can pull with a force of 75 lb. If the system can lift a maximum weight of 860 lb, what is the minimum number of supporting strands for this block and tackle system?
Answer: So you are dealing with maximum and minimum weights and you want to know what MINIMUM number of supporting strands for this block and tackle system are needed I believe. If so you are dealing with economic imbalances Though we are not worrying about money Right? Right we need physics which Physics study matter and how it moves You would need 8 STRANDS
Explanation: Step By Step
why is it difficult to dissolve cellulose in solvent that dissolve petroleum based polymers
The crystallinity of cellulose as well as its polar qualities makes it less difficult to dissolve. It has a three-dimensional hydrogen bond (H-bond) arrangement with the hydroxyl group connected to each polymer chain. On the other hand, Hydrocarbon polymers are nonpolar, and nonpolar solvents are used to dissolve them.
What exactly is cellulose?Cellulose is an organic molecule with the formula n that is a polysaccharide made up of a linear chain of hundreds to thousands of β linked D-glucose units. Cellulose is a structural component of the major cell wall of green plants, many algae, and oomycetes.
Cellulose is the principal component present in plant cell walls and aids in the plant's stiffness and strength. Although cellulose cannot be digested by humans, it is an essential source of fiber in the diet. Cellulose is utilized in the production of clothing and paper.
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True or false Self Driving Cars are examples of emerging technology
An engineer troubleshooting a network connection identifies a port flapping problem. What should the engineer investigate as a possible cause? (Select all that apply.)
A.Port Security
B.Ethernet cable
C.NIC port
D.Switch port
An engineer troubleshooting a network connection problem identifies a port flapping problem.
The engineer should investigate the following possible causes:
A. Port security: If there is an incorrect port security configuration, it can cause port flapping problems.B. Ethernet cable: A faulty or damaged Ethernet cable can cause port overlapping problems.C. NIC port: A faulty or damaged NIC port can also cause port flapping problems.D. Switch port: A faulty or damaged switch port can also cause port flapping problems.Therefore, the engineer should investigate all of the above options as possible causes of the port flapping problem.
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The PW method allows analysis over the respective alternative lives. Select one: O True O False Multiple i" values may exist when there is more than one sign change in net cash flow (CF) series. Such CF series are called conventional series Select one: True O False Selection of independant project using ROR method imposes! Select one: O a. Select all alternatives with ROR greater than or equal to MARR. O b.Select all alternatives with i* lower than the do-nothing project (DN). O C. Select all alternatives with incremental ROR greater than or equal MARR. d. Select all alternatives with ROR greater than or equal to 1.0.
The PW method allows the analysis of the respective alternative lives. The statement is true.The PW (Present Worth) technique is a procedure that assesses the cost-effectiveness of a project or investment in the current year.
PW measures the present worth of cash inflows and outflows and is used to analyze cash flow series.The PW method allows analysis over the respective alternative lives. This is because of the time value of money. The PW technique is typically utilized for long-term projects because it calculates a net present worth that enables evaluations between investments with different timescales. Thus, the statement is true.A conventional cash flow series is characterized by one or more negative net cash flows and then a string of positive net cash flows that are entirely returned to the company or investor. The term "conventional" refers to the fact that cash flow is negative in the beginning and positive in the end. Multiple "i" values may exist when there are more than one sign change in net cash flow (CF) series. This is true.Selection of an independent project using the ROR (Rate of Return) method imposes certain constraints. Out of the given options, the correct answer is option A: select all alternatives with ROR greater than or equal to MARR (Minimum Acceptable Rate of Return).Why choose alternatives with ROR greater than or equal to MARR?ROR is an approach that calculates the internal rate of return of a project, which is the interest rate at which the project's net present value (NPV) is zero. MARR, on the other hand, is the required rate of return that the company or investor requires from a particular investment. If the ROR is greater than or equal to MARR, the project is profitable. Therefore, to choose a profitable independent project using the ROR method, all alternatives with ROR greater than or equal to MARR should be selected.
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Which characteristics describe customers who are more likely to have low assets and medium-low debt?
Answer:
Here are some characteristics that describe customers who are more likely to have low assets and medium-low debt:
* **Age:** Younger customers are more likely to have lower assets and debt than older customers. This is because they have had less time to accumulate assets and may be carrying more student loan debt.
* **Income:** Customers with lower incomes are more likely to have lower assets and debt than customers with higher incomes. This is because they have less money to save and invest, and may be spending more of their income on necessities.
* **Education:** Customers with less education are more likely to have lower assets and debt than customers with more education. This is because they may have lower-paying jobs and may be less likely to save and invest.
* **Marital status:** Single customers are more likely to have lower assets and debt than married customers. This is because they may have less income and may be spending more of their income on housing and other expenses.
* **Employment status:** Unemployed customers are more likely to have lower assets and debt than employed customers. This is because they may have less income and may be spending more of their income on necessities.
* **Credit score:** Customers with lower credit scores are more likely to have lower assets and debt than customers with higher credit scores. This is because they may have difficulty qualifying for loans and may be paying higher interest rates on debt.
It is important to note that these are just general trends, and there are always exceptions. There are many factors that can affect a customer's assets and debt, including their personal circumstances, financial decisions, and economic conditions.
Explanation:
A function defined beginning with void SetNegativesToZeros(int userValues(), ... should modify userValues such that any negative integers are replaced by zeros. The function O a. should make a local copy of the array and then set the copy's negative values to zeros Ob.cannot be written because an array passed to a function is constant so cannot be modified O c. can modify the array's elements directly because arrays are passed by pointer O d. should define userValues as const int& userValues to be able to modify the array's elements
The function should make a local copy of the array and then set the copy's negative values to zeros. Option a is correct.
In the given question, we are given that a function is defined beginning with void SetNegativesToZeros(int userValues(), ... which should modify userValues such that any negative integers are replaced by zeros. We have to determine the way this function should modify the array's elements to replace negative integers with zeros.
An array passed to a function is a pointer to the array's first element. Therefore, arrays can be modified in a function by their elements directly. Hence option C. can modify the array's elements directly because arrays are passed by pointer is also correct.
But for the given problem, the requirement is to modify userValues such that any negative integers are replaced by zeros. The function should make a local copy of the array and then set the copy's negative values to zeros.
Therefore, a is correct.
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Arc blow typically occurs in steel and metals that contain iron.
True or false
Answer: True
Explanation: Iron is magnetic
Answer:
a
Explanation:
because if you do its right
Worker A, weighing 60 kg, has a VO
2
max of 60ml/kg/min and worker B, weighing 100 kg, has a VO
2
max of 50ml/kg/min. When walking steadily at 5 km/h with no extra load, A is working at 30% of his VO
2
max, and B at 40% of his VO
2
max. a. If each of them has to carry a 30 kg load that requires the consumption of one additional liter of oxygen per minute, which worker will tire more quickly? Briefly explain your answer. b. Estimate the time to exhaustion for each of the workers carrying the load by using Louhevaara's equation.
The worker who will tire more quickly is Worker B.
a. According to the given information, Worker B will tire more quickly than Worker A when carrying a 30 kg load that requires the consumption of one additional liter of oxygen per minute. This is because, when carrying the load, Worker B is working at a higher percentage of their VO2max (45%) compared to Worker A (33%), indicating a higher relative workload.
b. To estimate the time to exhaustion for each worker carrying the load, Louhevaara's equation can be used. The equation takes into account various factors such as VO2max, VO2rest, load mass, and the oxygen cost of moving the load.
Using Louhevaara's equation:
For Worker A:
Time to exhaustion = (VO2max - VO2rest) / (k × load) + trest
Time to exhaustion = (60 - 3.5) / (1.8 × 30) + 1 = 6.5 minutes
For Worker B:
Time to exhaustion = (VO2max - VO2rest) / (k × load) + trest
Time to exhaustion = (50 - 3.5) / (1.8 × 30) + 1 = 8.5 minutes
Therefore, Worker A is estimated to have a time to exhaustion of 6.5 minutes when carrying the load, while Worker B is estimated to have a time to exhaustion of 8.5 minutes. This suggests that Worker A can sustain the workload for a shorter duration compared to Worker B.
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with refer undial TWELVE REASONS WHY RECONNAISSANCE IS ONE OF MOST IMPORTANT ASPECT OF ANY SURVEYS
A thorough examination of a large region that could be utilized as a road or an airport is called a reconnaissance survey.
What is the goal of the reconnaissance survey?
Its goal is to discover the more attractive routes or places while excluding the unworkable or impractical options. Existing maps and aerial photos could be very helpful.
The following are the fundamentals of the reconnaissance survey:
THE RECONNAISSANCE OBJECTIVE AS THE ORIGIN CONNECTS WITH AND MAINTAINS ENEMY FORCES. MAKE SURE TO RECONNAISSANCE CONSISTENTLY. KEEP YOUR ROOM FOR MANEUVER. FAST AND ACCURATE INFORMATION REPORTING-RETENTION OF RECONNAISSANCE ASSETS BUILD UP THE SITUATION QUICKLY.Since the examination is an important part of reconnaissance survey is considered the important aspect
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The two parts of a SERVQUAL survey are services liability and manufacturing liability. True or false
Answer: False
Explanation:The correct two parts of the SERVQUAL survey are as follows: Customer expectations. Customer perception.
When measuring a Brake Drum, the Brake Micrometer is set to a Base Drum Diameter of 10 Inches plus four notches, and the dial reads 22. What is the diameter of this drum
diameter of this drum?
Answer:
10.5
Explanation:
Measuring a Brake Drum, the Brake Micrometer is set to a Base Drum Diameter of 10 Inches plus four notches, and the dial reads 22. Diameter of the drum is 10.5.
What is diameter?
Any straight line segment that cuts through the center of a circle and has ends that are on the circle is considered a circle's diameter in geometry. It is also known as the circle's longest chord.
The diameter of a sphere can be defined using either of the two methods. In more recent usage, the diameter can also refer to a diameter's length, or displaystyle d.
As opposed to a diameter, which refers to the line segment itself, one uses the term "diameter" in this context since all diameters of a circle or sphere have the same length, which is equal to twice the radius "displaystyle r.
Therefore, Measuring a Brake Drum, the Brake Micrometer is set to a Base Drum Diameter of 10 Inches plus four notches, and the dial reads 22. Diameter of the drum is 10.5.
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technician a says that play in the steering gear is the probable cause of a shimmy. technician b says that it could be loose steering linkage. who is correct?
Technician B was right when he said that a loose steering linkage could cause play in the steering gear.
The steering system of a car is composed primarily of the steering gear. The steering gear is in charge of transmitting the movement of the steering wheel to the wheels of your car. This enables better handling and steering with less driver input, along with power steering (if applicable).
The two kinds of steering gears are:
(1) Rack-and-pinion :-
Almost all regular cars have this type of steering gear. It makes use of a pinion gear, which is a part that is connected to the steering column's end. As you turn your steering wheel, the pinion gear rotates, causing the rack gear to move as necessary. The steering linkage, which moves the steering knuckle and wheels, is subsequently moved by this transfer of motion. You can turn with less motion from the steering wheel thanks to rack-and-pinion steering systems.
(2) Recirculating ball :–
Recirculating ball steering is used in trucks, utility vehicles, and some classic cars. A worm gear and numerous ball bearings are used in the steering box design. Less friction between the gears is made possible by these parts. In a recirculating ball steering system, you can usually turn the steering wheel much farther. Systems like this are especially useful for big trucks hauling heavy loads.
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Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop. True or False?
Answer:
Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop.
True
Explanation:
It has been established that most technicians, instead of overhauling the defective power steering pumps, prefer to install rebuilt or revamped pumps or even new pumps when they could have overhauled the unit themselves. Some are afraid that leakage could occur again. They are not confident enough to do the overhauling in-house or some claim that they do not have the time and other tools to carry out the overhauling. Acknowledgedly, overhauling a power steering pump is not a job for the novice. They require experienced and skilled hands to do the hard work.
I'm interested in knowing if there are two adjacent strings in a list that are very similar to each other. For instance, "Zach" and "Zack" are only one character apart.
Write a function, named "CloseEnough" that takes a const reference to a vector of strings and an int. The vector is a list of strings (each of the same length). The int represents how many characters can be different between any two strings next to each other. This function should return the index (an int) of the string that is within the second arguments distance to the next string in the vector. If no index fulfills this criteria, it should return -1
Here's a function called Close Enough which takes a const reference to a vector of strings and an int. This function is used to check if there are two adjacent strings in a list that are very similar to each other by determining the number of characters that can be different between any two strings next to each other.
The function starts by iterating through the vector of strings from the first to the second to last string. For each string, it then counts the number of differences between it and the next string by comparing the characters at each position.
If the number of differences is less than or equal to the given integer n, the function returns the index of the current string. If there is no such index, the function returns -1.
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Define;
i) Voltage
ii) Current
iii) Electrical Power
iv) Electrical Energy
Answer:
I) Voltage - is the pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop, enabling them to do work such as illuminating a light. In brief, voltage = pressure, and it is measured in volts (V).
II) Current - is the movement of electrons through a wire. Electric current is measured in amperes (amps) and refers to the number of charges that move through the wire per second. If we want current to flow directly from one point to another, we should use a wire that has as little resistance as possible.
III) Electrical Power - is the rate, per unit time, at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Electric power is usually produced by electric generators, but can also be supplied by sources such as electric batteries.
IV) Electrical Energy - is a form of energy resulting from the flow of electric charge. Energy is the ability to do work or apply force to move an object. In the case of electrical energy, the force is electrical attraction or repulsion between charged particles.
Explanation:
I hope ot helps to you a lot! Correct me if I'm wrong.
Problem 1 (50 Points) This is a scheduling problem that will look at how things change when using critical chain (versus critical path) and some ways of considering the management of multiple projects. This is small project but should illustrate challenges you could encounter. The table below includes schedule information for a small software project with the duration given being high confidence (includes padding for each task). Assume the schedule begins on 3/6/23.
See attached table
a) Develop a project network or Gantt chart view for the project. What is the finish date? What is the critical path? Assume that multi-tasking is allowed. (5 points)
b) Develop a critical chain view of this schedule. Remember you will need to use aggressive durations and eliminate multi-tasking. Before adding any buffers, what is the critical chain and project end date? Now add the project buffer and any needed feeding buffers. What is the end date? (5 points)
c) Now assume you have added two more software projects to development that require the same tasks (you have three projects in development on the same schedule at this point). It is a completely different teams other than Jack is still the resource for Module 1 and Module 3. Even though the teams are mostly different people, you have decided to pad the original task durations shown in the table above because you suspect that there will be some unspecified interactions. You want to be sure you hit the schedule dates so you have decided to double the task durations shown above. So Scope project is 12 days, Analyze requirements is 40 days, etc. Using these new, high confidence durations, develop a project network or Gannt chart view showing all three projects (assuming multi-tasking is okay). What is the finish date? (10 points)
d) We now want to develop a critical chain view of this schedule. You need to use aggressive durations and eliminate multi-tasking. Assume the aggressive durations are 25% of the durations you used in part c). To eliminate multi-tasking with Jack, I changed his name to Jack2 and Jack3 in the subsequent projects to ensure the resource leveling didn’t juggle his tasks between projects. In other words, I want Jack focused on a project at a time. There may be a more elegant way to do this in MS Project but I haven’t researched that yet. Add in the project buffer and any needed feeding buffers. What is the end date now to complete all three projects? (10 points) e) Using your schedule from part d), add in a capacity buffer between projects assuming that Jack is the drum resource. Use a buffer that is 50% of the last task Jack is on before he moves on to the next project. The priority of the projects is Project 1, Project 3, Project 2. What is the end date now to complete all three projects? (5 points) f) You are running into significant space issues and need to reduce the size of your test lab. This means that you can only have 2 projects in test at one time. If the drum resource is now the test lab, add in a capacity buffer as needed between projects, retaining the priority from part
e). Size the buffer and document your assumption for what you did. What is the end date now? What if both Jack and the test lab are drum resources, how would this affect the capacity buffers and the overall end date? (5 points)
g) What observations can you make about this exercise? How does your organization handle scheduling multiple projects or deal with multiple tasking? Write at least a couple of paragraphs. (10 points)
a) The Gantt chart view for the project is shown below. The finish date is April 6, 2023. The critical path is A-B-E-F-H-I-K-L and its duration is 25 days.
What is the critical chain view?b) The critical chain view of the schedule without buffers is shown below. The critical chain is A-C-D-E-G-H-I-J-K-L and its duration is 18 days. Adding the project buffer of 25% of the critical chain duration (4.5 days) and the feeding buffers, the end date is April 10, 2023.
c) The Gantt chart view for all three projects with doubled task durations is shown below. The finish date is May 13, 2023.
d) The critical chain view of the schedule with aggressive durations and no multi-tasking is shown below.
The critical chain is A-C-D-E-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z-AA-AB-AC-AD-AE and its duration is 21 days. Adding the project buffer of 25% of the critical chain duration (5.25 days) and the feeding buffers, the end date is May 23, 2023.
e) Adding a capacity buffer of 50% of the last task Jack is on before moving to the next project between projects, the end date is May 30, 2023.
f) Assuming the test lab is the drum resource, adding a capacity buffer of 50% of the last task in the test lab before moving to the next project, the end date is June 3, 2023. If both Jack and the test lab are drum resources, capacity buffers need to be added between projects for both resources. The overall end date will depend on the size of the buffers added.
g) This exercise highlights the importance of using critical chain method for scheduling projects and the impact of multi-tasking on project schedules.
Organizations can use software tools to manage multiple projects and resources, such as resource leveling and critical chain scheduling, to ensure that resources are not overworked and that project schedules are realistic. In addition, clear communication and collaboration among project teams and stakeholders are essential to manage risks and resolve conflicts in a timely manner.
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convert 25 inches / min to mm/hour
Answer:
25 mins into hours = 0.416667 hours
25 inches as mm = 635
Explanation:
Please help me please
Answer:
i cant help sorry that is impossible
Explanation:
A gas has an initial volume o.25m^3, and absolute pressure 100kPa. Its initial temperature is 290k. The gas is compressed into a volume of o.O5m^3 during which its temperature rises to 405k. Calculate its final pressure using the formula . P1V1/T1=p2V2/t2
Answer:
698.3KpaExplanation:
Step one:
given data
V1=0.25m^3
T1=290k
P1=100kPa
V2=0.5m^2
T2=405k
P2=? final pressure
Step two:
The combined gas equation is given as
P1V1/T1=P2V2/T2
Substituting we have
(100*0.25)/290=P2*0.05/405
25/290=0.5P2/405
0.086=0.05P2/405
cross multiply
0.086*405=0.05P2
34.9=0.05P2
divide both sides by 0.05
P2=34.9/0.05
P2=698.3Kpa
Therefore the new pressure is 698.3Kpa when the gas is compressed