the switching valves on the air pump have failed several times. technician a says that a defective exhaust check valve could be the cause. technician b says that a leaking exhaust system at the muffler could be the cause. which technician is correct?

Answer:

I think it is the 2,3,5 and 1 ones

In Stokes flow, the fluid velocity is proportional to the forces acting on the fluid and the fluid is assumed to be viscous and incompressible. The fluid velocity near a rotating sphere in Stokes flow can be determined using the equations of fluid dynamics.

Kinematic reversibility is a property of Stokes flow, which states that the fluid flow is symmetric with respect to time reversal. This means that if the fluid velocity is recorded at a certain time, then the same velocity field will be obtained if time is reversed and the flow is replayed in the reverse direction.

When a sphere is rotating near a wall, the flow of fluid around the sphere creates a velocity field that pushes the sphere away from the wall. This flow can be considered as the fluid being pushed away from the sphere and towards the wall. If the flow is time-reversed, the fluid velocity field would be the same, but the direction of the velocity would be reversed. This means that the fluid would be drawn towards the sphere and away from the wall, pulling the sphere towards the wall.

Therefore, based on the property of kinematic reversibility in Stokes flow, the rotating sphere near a wall will experience a force that could either push it away from the wall or draw it towards the wall, depending on the direction of the flow.

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Answer: Ohm Ω

Explanation:

The resistance can be defined as the hindrance offered to the flow of current. Lower the current the higher is the resistance. The SI unit of resistance is ohm Ω. When one ampere current flows from an object or wire the application of one volt of potential difference on it the resistance so produce is one ohm. Resistance can be achieved by the application of the certain gadgets in the circuit which can prevent the flow of excess current from devices and can prevent shock circuit.

Admixtures are used in concrete to delay hardening.

Admixtures are utilized in concrete to postpone hardening. The hardening method includes heating the additives above the critical (normalizing) temperature, protecting at this temperature for one hour in line with inch of thickness cooling at a price speedy sufficient to permit the cloth to convert to a miles harder, more potent structure, after which tempering. Hardening means a metallurgical metalworking method used to growth the hardness of a metallic. The hardness of a metallic is at once proportional to the uniaxial yield strain on the region of the imposed strain.

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Using APA reference style, the references is attached below from Feldman, R. S. (2013) to American Psychology Association (2020)

APA reference style is a style of citing sources used by the American Psychological Association. It is primarily used in the social sciences and includes guidelines for citing sources both within the text of a document and in the reference list at the end of the document. The guidelines provide a consistent way of citing sources to make it easier for readers to identify and locate the sources cited in a document.

In the given problem, if we need to write the reference using APA style, it will take this format below

Reference Page:

Feldman, R. S. (2013). Psychology and your life (2nd ed.). New York, NY: McGraw Hill Companies.

Frontline. (n.d.). League of denial. Retrieved from https://www.pbs.org/wgbh/frontline/film/league-of-denial/

Friends. (2004). The one after Joey and Rachel kiss [Television series episode]. In D. Crane, & M. Kauffman (Executive producers), Friends. Burbank, CA: Warner Bros. Television.

Silver Linings Playbook. (2012). [Motion Picture]. United States: The Weinstein Company.

U.S. Energy Information Administration. (2013). Annual energy outlook 2013 with projections to 2040. Retrieved from http://www.eia.gov/forecasts/aeo/er/pdf/0383er(2013).pdf

Snickers. (2013, April 2). You’re not you when you’re hungry [Video file]. Retrieved from https://youtu.be/2rF_FRCd_LA

American Psychological Association. (2020). Publication manual of the American Psychological Association (7th ed.). doi:10.1037/0000165-000

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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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Answer:

True

Explanation:

A forklift will tip over if the center of gravity is outside the stability triangle. The stability triangle refers to the area within the three wheels of a forklift that ensures the stability of the machine and prevents tipping. If the center of gravity of the load being carried by the forklift moves outside of the stability triangle, the machine becomes unstable and is at risk of tipping over. It's important to properly balance the load on a forklift and ensure that the center of gravity stays within the stability triangle to avoid accidents and maintain safety.

I hope this information is helpful. I mostly prefer MyAssignmentHelp.com for homework help. Please let me know if you have any additional questions or refer to MyAssignmentHelp.com for further assistance.

Dr. Brooks should invest in solar panels due to positive returns at a 20% required rate of return, resulting in an annual savings of $542.42. However, a recalculation of the NPV at a 9% discount rate is necessary to assess the investment's continued viability.

First, we calculate the expected annual savings by dividing the initial cost ($6,571) by the payback period (12.11 years), resulting in approximately $542.42 per year.

Next, using the methodology discussed in class, we compare the expected annual savings to the required rate of return of 20%. If the expected annual savings are greater than or equal to the required rate of return, the investment is considered profitable. In this case, $542.42 is less than 20%, so the investment does not meet the required rate of return.

If we change the appropriate discount rate to 9%, we repeat the same comparison. The expected annual savings of $542.42 is still less than 9%, indicating that the investment remains unprofitable even with the lower discount rate.

Based on these calculations, Dr. Brooks should not invest in solar panels under the given conditions, regardless of the discount rate.

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AASHTO assumes a deceleration value in calculating stopping sight distance (SSD) of B. 11.2 ft/s^2. This doesn't take any road defects into account.

Where the name of the table is called "LEASES" and the column of the lessee is called "LESSEE", the SQL statement to to count the number of times the properties hve been leased  by John K ay is:

SELECT COUNT (*)

FROM LEASES

WHERE LESSEE = 'John Kay';

The above SQL Statement assumes that the lessee's full name is 'John Kay' and that it is spelled the same way in every lease record.

If the name is stored in separate clumns for first and last name, or if there are errors in the spelling of the name, then, it is important for the query to be adjusted accordingly.

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The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.

Gate Theory states that competing signals such as rubbing your elbow can make you more sensitive to pain. This theory suggests that physical signals such as massage, pressure, heat, or cold can block the transmission of pain messages through the spinal cord and prevent them from reaching the brain. Therefore, when people rub their elbows or apply pressure to the area, this stimulates the non-painful touch fibers and decreases the transmission of the painful stimuli.

As per the statement, patients who are allowed to self-administer morphine use less than when they receive injections from healthcare providers is True. Olfaction is a very important sense for humans, and they often become depressed when they lose their sense of smell (olfaction). The statement that The different taste qualities (sweet, sour, bitter, salt, umami) each have their own area of the tongue that is most sensitive to them is False.

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Answer:

what are you in third grade??

Explanation:

the answer is  the air pressure inside of the bottle reaches the same air pressure as outside of the bottle. K?? got it love???I hope soo

Answer:

the air pressure inside of the bottle reaches the same air pressure as outside of the bottle.

Explanation:

Answer:described by direction and is either Axial or Diametric

Explanation:

Answer:

Magnetization is the density of magnetic dipole moments that are induced in a magnetic material when it is placed near a magnet.

Answer:

C. 14.55

Explanation:

12 x 10 = 120

120 divded by 10 is 12

so now we do the left side

7 x 3 = 21 divded by 10 is 2

so now we have 14

and the remaning area is 0.55

so 14.55

A stall happens when the smooth airflow over the unmanned airplane`s wing is disrupted, and the lift degenerates rapidly. This is caused when the wing "exceeds its critical angle of attack."

The angle of attack refers to the angle at which the airplane's wing meets the air that is flowing over it. When an airplane actually is taking off, it is lifting the nose up into the air. And, if that nose continues to rise ultimately it reaches a point where the air is not able to smoothly flow over the wing, causing the airplane to drop. And, this is the point when the airplane exceeds its critical angle of attack.

Exceeding the critical angle of attack is known to be a stall. This has no concern with the engine stalling, it just concerns with the wings not producing enough lift to keep the airplane in the air.

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The change in the velocity of the object will be 314.30 meters per second.

The movement of an object in relation to another observer is known as its relative velocity. It is the pace at which one object's relative location changes in relation to another object over time.

An object travels to the right with a speed of 149.5 m/s and then travels left at 164.8 m/s.

Then the velocity of the object is given as,

v = 149.50 - (-164.80)

v = 149.50 + 164.80

v = 314.3 m/s

The change in the velocity of the object will be 314.30 meters per second.

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Answer:

At temperature is and relative humidity is 86% therefore,  the humidity ratio is 0.0223 and the specific volume is 14.289

At temperature is and Relative humidity is 40% therefore, the humidity ratio is  0.0066 and the specific volume is 13.535.

To calculate the mass of air can be calculated as follows:

Now , we going to calculate the volume,

The time which is required to fill the cistern can be calculated as follows:

Now, putting the value in above formula we get,

Therefore, the hours required to fill the cistern is 4.65 hours.

Explanation:

Main Answer:

The Bureau of Indian standards developed the national electric code, the national building code, and the national fire prevention code.

Sub heading:

explain BIS?

Explanation:

1.BIS-bureau of indian standard is the national standard body of india.

2.BIS is responbility for the harmonious deve;opment of the activities of standardization.marking .

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Answer:

b.9

Explanation:

not sure

To find the specific values required to operate this system, we'll go through the following steps:1. Determine the enthalpy at the initial state (high-pressure water at 1.5 MPa, 180°C) using steam tables or a steam property calculator.

2. Determine the enthalpy at the final state (saturated vapor at 10 kPa, 90% quality) using steam tables or a steam property calculator.3. Calculate the mass flow rate of the steam entering the turbine using the given total turbine shaft work (1 MW) and the enthalpy difference between the initial and final states.
4. Calculate the mass flow rate of the bled steam (10% of entering vapor mass) using the previously calculated mass flow rate.5. Calculate the specific volume of the bled steam at 300 kPa and 150°C using steam tables or a steam property calculator.

Now let's go through each step in detail:

Step 1: Determine the enthalpy at the initial state.- Find the specific enthalpy of water at 1.5 MPa, 180°C using steam tables or a steam property calculator.Step 2: Determine the enthalpy at the final state.- Find the specific enthalpy of saturated vapor at 10 kPa, 90% quality using steam tables or a steam property calculator.\Step 3: Calculate the mass flow rate of the steam entering the turbine.- Calculate the enthalpy difference between the initial and final states.- Use the given total turbine shaft work (1 MW) and the enthalpy difference to calculate the mass flow rate using the formula: mass flow rate = total turbine shaft work / (enthalpy difference).

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Answer:

a) 0.488 days ≈ 11.72 hour ,  8542.38 m^3

b) 2.05 kg/m^3.day

c)  0.37 day^-1

d)

i) volume of wasted solid = 783 m^3/day

ii) mass of wasted solid = 7830 kg/day

e) 1.12

Explanation:

Given data :

Flow ( Q ) = 17500 m^3/day

BOD 5 ( influent ) = 1000 mg/L

BOD 5 ( efficient ) = 120 mg/L

mean cell residence time ( ∅ c ) = 6-day

MLSS concentration ( X ) = 5500 mg/L

a) Determine the hydraulic retention time and volume of the activated sludge

i) Hydraulic retention time ( OH ) we will use the relation below

X = \(\frac{OcY(sin-s)}{OH(1 + Kdθc)}\)  

5500 = \(\frac{6*0.6(1000-120)}{OH(1 + 0.03*6)}\) .  therefore  OH = 0.488 days ≈ 11.72 hour

ii) volume of the activated sludge  using the relation below

 OH = V / Q

V = OH * Q

  = 0.488 * 17500

  = 8542.38 m^3

b) Determine the  volumetric loading rate in kg BOD,/m- day to the reactor

loading rate = ( Q * Sin ) /  V

                     = ( 17500 * 1000 ) / 8542.38

                     = 2.05 kg/m^3.day

c) Determine The F/M ratio in the reactor

F/M ratio :  F/M = ( Q .sin ) / VX

                         = ( 17500 * 1000 ) / ( 8542.37 * 5500)

                         = 0.37 day^-1

d) Determine The mass and volume of solids wasted each day, at an underflow solids concentration

i) volume of wasted solid = 783 m^3/day

ii) mass of wasted solid = 7830 kg/day

attached below is the remaining part of the solution

e) Sludge recirculation ratio

= 1.12

attached below is the remaining part of the solution

Here, the student is asked to consider the following circuit and determine the low pass cutoff frequency:Based on the circuit diagram, we can see that this is a simple RC low pass filter.

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Answer: 0

Explanation: i need to add it up to get what u want

(a) Algorithm to return the largest k items in a given list within O(n + klogn) time:

Create a max-heap data structure to store the elements of the list.

Insert all the elements from the list into the max-heap.

Perform k iterations, where in each iteration, do the following:

a. Extract the maximum element from the max-heap and store it in a result array.

b. Decrement k by 1.

Return the result array containing the largest k items.

By using a max-heap, we can efficiently retrieve the maximum element in O(1) time. Initially inserting all elements into the max-heap takes O(n) time. Each extraction of the maximum element takes O(logn) time, and we repeat this process k times. Therefore, the overall time complexity is O(n + klogn).

(b) Algorithm to return the number of connected subgraphs in a graph within O(|V| + |E|) time:

Initialize a count variable to 0 to keep track of the number of connected subgraphs.

Create a boolean array, visited[], of size |V| to mark visited vertices.

For each vertex v in the graph, do the following:

a. If visited[v] is false, increment the count variable by 1.

b. Perform a depth-first search (DFS) or breadth-first search (BFS) starting from vertex v.

c. Mark all visited vertices during the search.

Return the count variable, which represents the number of connected subgraphs in the graph.

We can use a standard graph traversal algorithm (DFS or BFS) to visit all connected vertices within a subgraph. By initializing the visited[] array and performing a search for each unvisited vertex, we can identify all the connected subgraphs in the graph. The time complexity of traversing all vertices and edges is O(|V| + |E|).

Note: The specific implementation details of DFS or BFS are not provided in this answer, but they are commonly used graph traversal algorithms.

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a The natural frequency of the paralysis transient response is 1.07 rad/s.

b The maximum possible percent paralysis if a 2% mixture of isoflurane is used is 7.63%.

c  The step response of paralysis if a 1% mixture of isoflurane is used

The percent isoflurane that would have to be used for 100% paralysis is 27.3%.

A. The damping ratio is given by ζ = −b/2√(a² - c²).

In this case, a = 1.15, b = 0, and c = 0.28,

The natural frequency of the paralysis transient response is given by ωn = √(a² - c²)

= √(1.15² - 0.28²)

= 1.07 rad/s.

B. The maximum possible percent paralysis is given by the steady-state value of the step response. In this case, the steady-state value is equal to the gain of the system, which is 7.63 × 10⁻².

Therefore, the maximum possible percent paralysis if a 2% mixture of isoflurane is used is 0.0763 = 7.63%.

C. The step response of paralysis if a 1% mixture of isoflurane is used is shown below.

Time (s) | Percent paralysis

------- | --------

0.0 | 0.00

0.1 | 0.03

0.2 | 0.06

0.3 | 0.09

0.4 | 0.12

0.5 | 0.15

0.6 | 0.18

0.7 | 0.21

0.8 | 0.24

0.9 | 0.27

1.0 | 0.30

As you can see, the percent paralysis increases rapidly at first, and then approaches a steady-state value of

= 7.63 × 10⁻²

= 7.63%.

D. For 100% paralysis, the percent paralysis must equal the gain of the system, which is 7.63 × 10⁻². Therefore, the percent isoflurane that would have to be used for 100% paralysis is

= 0.63 × 10⁻² / 0.28

= 27.3%.

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Answer:

B) the liquid accelerated to high velocities.

I hope this helps

Answer:

laptop printer scanner data

Suppose cond1 and cond2 are two boolean expressions. When both cond1 and cond2 are true, the if condition will be true.

Alternatively, if only one of the conditions (either cond1 or cond2) is true, the if condition will still be false. Therefore, both cond1 and cond2 must be true for the if condition to be true. It's important to note that the order of the conditions does not matter. Additionally, if cond1 or cond2 are not boolean expressions, an error will occur. It's also possible to use logical operators such as "and" or "or" to combine multiple boolean expressions in a more complex if statement.

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