If the CUSTOMERS table contains seven records and the ORDERS table has eight records, how many records does the following query produce?
SELECT *
FROM customers CROSS JOIN orders;
A. 0
B. 8
C. 7
D. 15
E. 56
Answers
The answer is D. 15. This is because a CROSS JOIN combines every record from the first table with every record from the second table, resulting in 56 records but the query is selecting all columns from both tables (i.e. SELECT *), so the result set will have 15 columns.
This is because a CROSS JOIN combines every record from the first table with every record from the second table, resulting in 56 records but the query is selecting all columns from both tables (i.e. SELECT *), so the result set will have 15 columns.
This is because a cross join produces a result set that is the product of the number of records in each table. This is because a CROSS JOIN combines every record from the first table with every record from the second table, resulting in 7 (customers) x 8 (orders) = 56 records
However, the query is selecting all columns from both tables (i.e. SELECT *), so the result set will have 15 columns (all the columns from the customers table plus all the columns from the orders table). Therefore, the final answer is D. 15.
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Related Questions
13 Which pump is the most appropriate for low head high discharge capacity installations?
Salect one:
Answers
Options are missing and they are;
A. Propeller pump
B. Jet (mixed flow) pump
C. Centrifugal pump
D. Positive displacement pump
Answer:
C. Centrifugal pump
Explanation:
Dynamic pumps which are also known as centrifugal pumps are the ones widely used when we require high discharge. This is because they deal with transfer of fluids with low viscosity in flow rates that are high. Another reason is that they are also very good with low pressure installation.
Which battery cable is bolted to the vehicle frame to allow the metal structure of the vehicle to serve as a large conductor to carry current?
Answers
Answer:
The Negative battery cable is used to bolt the vehicle frame to allow the metal structure of the vehicle to serve as a large conductor to carry current.
Explanation:
Battery cable is large automotive cable. Like smaller types of automotive wire, it is available in PVC and cross-linked forms. Click here to read an earlier post explaining the differences between PVC and cross-linked wire insulation.
One type of PVC battery cable is SGT cable. It is rated to 80°C and therefore can be used in starters or battery grounds. Cross-linked battery cables can also be used in starter and battery ground applications, and they are more resistant to heat, abrasion, and aging than PVC cable.
Two types of cross-linked battery cable are SGX and STX. They are rated to 125°C. Of the three types of battery cable (SGT, SGX, amd STX), STX has the thinnest wall, making it a popular choice for automotive applications with limited space.
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Derive an equation for the critical angle in terms of n1 and n2 when n2 < n1. Find the critical angle for total internal reflection from water (n=1.33) into air (n=1.00).
Answers
The critical angle for total internal reflection from water (n = 1.33) into air (n = 1.00) is approximately 48.75 degrees.
To derive an equation for the critical angle in terms of \(n_{1}\) and \(n_{2}\) when \(n_{2} < n_{1}\), we can use Snell's Law which is represented as;
\(n_{1}\)sinθ1=\(n_{2}\)sinθ2
At the critical angle, the angle of refraction, θ2 is 90°.
Therefore; \(n_{1}\)sinθ1=\(n_{2}\)sin90°
The sine of 90 degrees is 1. Therefore, we have;
\(n_{1}\)sinθ1=\(n_{2}\)⇒ sinθ1=\(n_{2} /n_{1}\)
The critical angle is the angle of incidence at which the angle of refraction is 90 degrees (the angle of refraction is 90 degrees when the angle of incidence equals the critical angle).
Hence, we can say that;θc =\(sin^{-1}\)\(n_{2} /n_{1}\)
Therefore, the critical angle for total internal reflection from water (n = 1.33) into air (n = 1.00) is;
θc = sin−1(1.00/1.33)=48.75 degrees (approx).
Therefore, the critical angle for total internal reflection from water into air is approximately 48.75 degrees.
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The density of water is assumed to be a constant of 1000 kg/m3. If the gage pressure of a water column 10 m high is 10 kPa, then the gage pressure of a water column 30 m high should be
Answers
Answer:
30that is the answer . . . . . . . . . .. . . . .
The gage pressure of a water column 30 m high is 294 kPa.
The gage pressure of a water column is directly proportional to its height and the density of water. In this case, the density of water is assumed to be 1000 kg/m3.
To find the gage pressure of a water column 30 m high, we can use the following equation:
P = ρ * g * h
Where:
P is the gage pressure,
ρ is the density of water,
g is the acceleration due to gravity, and
h is the height of the water column.
First, let's calculate the gage pressure of the water column 10 m high using the given information:
P1 = ρ * g * h1
= 1000 kg/m3 * 9.8 m/s2 * 10 m
= 98,000 N/m2
Since 1 N/m² is equal to 1 Pascal (Pa), the gage pressure of the water column 10 m high is 98,000 Pa or 98 kPa.
Now, let's find the gage pressure of the water column 30 m high using the same formula:
P2 = ρ * g * h2
= 1000 kg/m3 * 9.8 m/s2 * 30 m
= 294,000 N/m2
Converting the gage pressure to kPa:
P2 = 294,000 N/m2
= 294 kPa
Therefore, the gage pressure of a water column 30 m high is 294 kPa.
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Six forces act on a beam that forms part of a building's
frame. The vector sum of the forces is zero. The magnitudes
|FB| = Fel 20 kN, Fc = 16 kN, and (Fpl = 9 kN.
Determine the magnitudes of FA and FG.
Answers
Answer:
FA = 13 kN FG = 15.3 kNExplanation:
write each force in terms of magnitude and directions
Fx = F sin Ф
Fy = F cos Ф
where Ф is to be measured from x axis.
∑F at y = o
FAy + FBy + FCy + FDy + FEy + FGy = 0
∑F at x = o
FAx + FBx + FCx + FDx + FEx + FGx = 0
Let
FA = FA sin (110) + FA cos (110)
FB = 20 sin (270) + 20 cos (270)
FC = 16 sin (140) + 16 cos (140)
FD = 9 sin (40) + 9 cos (40)
FE = 20 sin (270) + 20 cos (270)
FG = FG sin (50) + FG cos (50)
add x and y forces:
FAx + FBx + FCx + FDx + FEx + FGx = 0
FAy + FBy + FCy + FDy + FEy + FGy = 0
FA sin (110) + 0 + 16 sin (140) + 9 sin (40) + 0 + FG sin (50) = 0
FA cos (110) - 20 + 16 cos (140) + 9 cos (40) - 20 + FG cos (50 = 0
FA sin (110) + 0 + 10.285 + 5.785 + 0 + FG sin (50) = 0
FA cos (110) - 20 - 12.257 + 6.894 - 20 + FG cos (50) = 0
FA sin (110) + 16.070 + FG sin (50) = 0
FA cos (110) - 45.363 + FG cos (50) = 0
solving for FA, and FG
FA = 13 kN
FG = 15.3 kN
From the given information, we can say that the sum of the upward forces is equivalent to the sum of the downward forces.
From the diagram, equating the component of the upward forces and the downward forces, we have:
\(\mathbf{-F_a sin 70 +F_c sin 40+F_d sin 40 + F_g sin50= F_b+F_e}\) --- (1)
Also, the sum of the horizontal positive x-axis as well as the horizontal negative x-axis can be computed as:
\(\mathbf{F_g cos 50 +F_d cos 40 = F_c cos 40 +F_a cos 70 --- (2)}\)
If:
\(F_B = F_E = 20 \ kN \\ \\ F_c = 16 \ kN \\ \\ F_D= 9\ kN\)
Then, from equation (1), we can have the following:
\(\mathbf{F_a sin 70 + 16 sin 40 + 9 sin40 + F_gsin 50 = (20 + 20 )kN}\)
collecting like terms;
\(\mathbf{F_a sin 70 + F_gsin 50 = 40 - 16 sin 40 - 9 sin40 }\)
\(\mathbf{F_a sin 70 + F_gsin 50 =23.93}\) --- (3)
From equation (2);
\(\mathbf{F_g cos 50 + 9cos 40 = 16 cos 40 + F_a cos 70}\)
collecting like terms:
\(\mathbf{F_g cos 50 -F_a cos 70 =16cos 40 -9cos 40}\)
\(\mathbf{-F_a cos 70 +F_g cos 50 =5.36 ----- (let \ this \ be \ equation (4))}\)
Suppose we equate (3) and (4) together using the elimination method;
\(\mathbf{F_a sin 70 + F_gsin 50 =23.93}\) --- (3)
\(\mathbf{-F_a cos 70 +F_g cos 50 =5.36 --- (4)}\)
Let's multiply (3) with ( cos 70 ) and (4) with (sin 70);
Then, we have:
\(\mathbf{F_a sin 70 cos 70 + F_gsin 50 cos 70 =23.93 cos 70}\)
\(\mathbf{-F_a cos 70 sin 70 +F_g cos 50 sin 70 =5.36 sin 70}\)
Adding both previous equations together, we have:
\(\mathbf{F_a sin 70 cos 70 + F_gsin 50 cos 70 =23.93 cos 70}\)
\(\mathbf{-F_a cos 70 sin 70 +F_g cos 50 sin 70 =5.36 sin 70}\)
\(\mathbf{(0 + F_g(sin 50 cos 70 + sin70 cos50) = 23.93 cos 70 + 5.36 sin 70)}\)
\(\mathbf{( F_g(0.262 + 0.604)) =(8.19 + 5.04)}\)
\(\mathbf{( F_g(0.866)) =(13.23)}\)
\(\mathbf{ F_g =\dfrac{(13.23)}{(0.866)}}\)
\(\mathbf{ F_g =15.28 \ N}\)
Replacing the value of \(\mathbf{F_g}\) into equation (3), to solve for \(\mathbf{F_a}\), we have:
\(\mathbf{F_a sin 70 + F_gsin 50 =23.93}\)
\(\mathbf{F_a sin 70 + 15.28sin 50 =23.93} \\ \\ \mathbf{F_a sin 70 +11.71 =23.93} \\ \\ \mathbf{F_a sin 70 =23.93-11.71 } \\ \\ \mathbf{F_a sin 70 =12.22 } \\ \\ \mathbf{F_a =\dfrac{12.22 }{sin 70}} \\ \\\)
\(\mathbf{F_a =13.01 \ N}\)
Therefore, we can conclude that the magnitudes of \(\mathbf{F_a}\) and \(\mathbf{F_g}\) are 13.0 N and 15.28 N respectively.
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why should the light be dimmed when looking at living?
Answers
Answer:
The light should be dimmed when looking at living (nearly transparent) cells because it allows for contrast to be increased
NEED A CHEN NOTATION DIAGRAM OF THE FOLLOWING INFORMATION
***** This is a Chen Notation ER Diagramming Assignment. Only Chen Notation Diagrams will be accepted. *****
During peak periods, the Temporary Employment Corporation (TEC) places temporary workers in companies. TEC’s manager gives you the following description and business rules of the business:
TEC has a file of candidates who are willing to work. They would like to put this Candidate File Information into a Database.
If the candidate has worked before, that candidate has a specific job history. (Naturally, no job history exists if the candidate has never worked.) Each time the candidate works temporarily for an outside company, one additional job history record is created. TEC wants the candidate's Job History in a database.
Each candidate has earned several qualifications. Each qualification may be earned by more than one candidate. (For example, it is possible for more than one candidate to have earned a BBA degree or a Microsoft Network Certification. And clearly, a candidate may have earned both a BBA and a Microsoft Network Certification.) TEC wants to store all existing and future types of Qualifications in a database.
TEC offers courses to help candidates improve their qualifications. This is done by offering training courses so that candidates can earn qualifications. TEC wants to keep store all courses that they offer for qualifications in a Database
Every course develops one specific qualification; however, TEC does not offer a course for every qualification. Some qualifications have multiple courses that develop that qualification.
Some courses cover advanced topics that require specific qualifications as prerequisites. Some courses cover basic topics that do not require any prerequisite qualifications. A course can have several prerequisites. A qualification can be a prerequisite for more than one course.
TEC also has a list of companies that request temporary employees.
Each time a company requests a temporary employee, TEC makes an entry in the Openings folder. That folder contains an opening number, a company name, required qualifications, a starting date, and anticipated ending date, and hourly pay. TEC wants to store all company requests for temporary jobs in a database.
When a candidate matches the qualification, the job is assigned, and an entry is made in the Placement Record folder. That folder contains an opening number, a candidate number, the total hours worked, etc. In addition, an entry is made in the job history for the candidate.
An opening can be filled by many candidates, and a candidate can fill many openings.
Summary Information that has to be Maintained
Client Company Information. These are companies that need Temporary Workers.
Job Opening Information, a Company offers one or more Temporary Job-Opening Positions
Qualification or Skills of the Candidates in (TEC). A Candidate can have one or more Qualifications
Candidate or Temporary Worker Information. A Candidate is a Temporary Worker seeking a position
Candidate JOB_HISTORY Information. This is a Temporary Workers Work History.
Placement Information. This is the Record of all Temporary Workers Placed in a Temporary Job
Training Courses that are being offered to (TEC) Candidates.
Training Courses that Candidates have taken
Given that information, do the following:
Draw the Chen ERDs for this enterprise
Identify all Entities
Identify all Attributes for the Entities
Identify all possible relationships
Identify the Cardinality for each relationship
Resolve all 1: N relationships
Resolve all M: N relationships
Identify Primary Keys and map the Foreign Keys based on the described Cardinality
Answers
The ER diagram for the Temporary Employment Corporation (TEC) based on the business rules given is given below: Attributes for Entities:
(One-to-Many)One candidate can have many job histories. (One-to-Many)One job history can belong to only one candidate. (One-to-One)One placement can belong to only one candidate. (One-to-One)One job opening can be placed by many placements. (One-to-Many)One candidate can have many placements.
In the given diagram below, all the relationships and primary keys are labeled correctly and the ER diagram is resolved for all M:N relationships and 1:N relationships. If you want to add more attributes to each entity, you can do it accordingly:
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put the sections of sonata-allegro form in their typical order.
Answers
The typical order of sections in a sonata-allegro form is: Exposition, Development, and Recapitulation.
sonata-allegro form is a musical structure commonly used in the first movement of multi-movement works, particularly in the Classical period. The form consists of three main sections:
(1) Exposition, which introduces the main themes
(2) Development, where the themes are manipulated and transformed and
(3) Recapitulation, which restates the themes in a modified form.
Each section can further contain various subsections and elements, such as the introduction, first and second themes, bridge, and coda. Overall, this structure creates a balanced and cohesive musical narrative with a sense of development and resolution.
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Give an example of one technology that is well matched to the needs of the environment, and one technology that is not.
Answers
Answer:
oh god... i have no idea lm.ao
Explanation:
Alvaro designs machinery and equipment for ships. His job title is best described as . Jeanette draws maps and plans for freeway projects. Her job title is best described as . Joseph designs a new airport. His job title is best described as . Geraldine designs imaging systems that use light. Her job title is best described as .
Answers
Answer:
Alvaro designs machinery and equipment for ships. His job title is best described as Marine Engineer.
Jeanette draws maps and plans for freeway projects. Her job title is best described as Civil Drafter.
Joseph designs a new airport. His job title is best described as Transportation Engineer.
Geraldine designs imaging systems that use light. Her job title is best described as Photonics Engineer.
Hope this helps sorry I am late to respond, but anyone else who needs the answer it is here.
Based on the above, Alvaro is a Marine Engineer;
Jeanette is a Civil Drafter.Joseph is a Transportation Engineer.Geraldine is a Photonics Engineer.What is machinery and equipment?Machinery and Equipment are known to be a type of industrial tools, devices, and items that aids facilities.
Conclusively, They are said to be tangible personal property that are used as a tool for repair parts, etc. Professions in ship jobs includes, Marine Engineer, Photonics Engineer, etc.
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A two-lane, one-way ramp from an urban expressway with a design speed of 30 mi/h connects with a local road at a T-intersection. The turning roadway has a vertical curb on both sides. Determine the width of the turning roadway if the predominant turning vehicles are single unit trucks with some semi-trailers. Use 0.08 for super-elevation if applicable.
Answers
Answer:
30 feet
Explanation:
Given data :
design speed = 30 miles/h
super elevation = 0.08
determine the width of the turning roadway
calculate the value of R = V^2 / 15( e + p)
e = 0.08 , p = 0.2 , v = 30
R = (30)^2 / 15 ( 0.08 + 0.2 )
= 900 / 15 ( 0.28 )
≈ 215 ft
pavement width from the calculation above = 28 ft
width of the turning roadway = pavement width + 2 = 30 feet ( because there are two vertical widths joining up the main road at the T junction )
Liquid natural gas is transported by a ship. A typical LNG tank Liquid natural gas may have a capacity of 105 m3. If this fuel is used to provide for a city a population of a million and each person consumes power at an average rate of 10 kw, how long would the LNG last?
* The volume of Liquefied natural gas (LNG) is 1/600 that amount of natural gas (STP).
Answers
A group of scientists studied the environmental impact of internal combustion engines burning hydrocarbon fuels. The scientist equipped four vehicles with devices to capture and measure particulate emissions. One vehicle burned diesel fuel, one burned ordinary gasoline, one burned a gasoline/ethanol mixture and one burned natural gas. The four vehicles have equal masses and carried identical cargo. The scientists drove each vehicle 400 km, recording the volume of fuel burns in the quantity of particulate emissions generated. What is the independent variable in this experiment?
Answers
Answer: Combustion of Hydrocarbons
Explanation:
The Independent variable in an experiment is the one whose effect on the dependent variable is being measured. The independent variable therefore is controlled to see the effect it will have in the experiment.
In this experiment, the scientists combusted different types of hydrocarbons (diesel, gasoline, natural gas and a gasoline/ethanol mixture) as they aimed to find out the effect that this burning would have on the environment thereby making the combustion of hydrocarbons the independent variable.
Answer:
A. Type of Fuel
Explanation: The quantity of particulate Matter (PM) primarily depends upon the type of fuel used. Fine carbonaceous particles are mainly responsible for PM emissions. Diesel fueled vehicle engines are a major source of particulate emissions.
What is the correct order of steps in the scientific method
Answers
Answer:
1) Make a hypothesis, about what u think will happen if you do something
2) conduct the experiment
3) analyze and see what happens
4) do it several more times and compare ur answers
5) make a conclusion from ur answers
6) celebrate bc u done
q 1: what value is stored in 0×10000008 on a big-endian machine? q 2: what value is stored in 0×10000008 on a little-endian machine?
Answers
The value stored in 0x10000008 on a big-endian machine can't be determined without knowing the byte values at that address and the following bytes, as well as the data type being used.
On a big-endian machine, the value stored in 0x10000008 would depend on the memory address and data being stored there. Without additional information, it is impossible to determine the specific value stored at this memory address. Please provide the necessary information, and I'll be happy to help you find the value.
If you don't know what a big-endian is, here is a little explanation of it.
What is big-endian?
Big-endian refers to the byte order used in computer memory storage. In a big-endian system, the most significant byte is stored at the lowest address and the least significant byte is stored at the highest address. This is in contrast to little-endian systems, where the least significant byte is stored at the lowest address and the most significant byte is stored at the highest address.
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FAULT LOCATION METHODS(input-output)
Answers
Fault location techniques are used in power systems for accurate pinpointing of the fault position.
This paper presents a comparative study between two fault location methods in distribution network with Distributed Generation (DG). Both methods are based on computing the impedance using fundamental voltage and current signals. The first method uses one-end information and the second uses both ends
A station supplies 250 kVA at a lagging power factor of 0.8. A synchronous motor is connected in parallel with the load. If combined load is 250 kW with lagging p.f. of 0.9, determine:
Answers
Answer:al part of question
Explanation:voltage
normally counters are retentive. this means that if your accumulated count is up to 300 and power to your system is lost, when power is restored the a
Answers
The correct answer is when retentive power is restored the accumulated count will be 300.
PLC counters are normally retentive; that is, whatever count was contained in the counter at the time of a proces- sor shutdown will be restored to the counter on power-up. The counter may be reset, however, if the reset condition is activated at the time of power restoration.A counter instruction is an input instruction. A counter's input signal can come from an external device such as a sensor. Up and down counters may be programmed together to count up and down. Counters can count past their preset values.
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18) Technician A says that adjustable wrenches should be used when
torquing fasteners. Technician B says that adjustable wrenches can round
the edges of fasteners. Which technician is correct?
A) Technician A only
B) Technician B only
O C) Both technicians
D) Neither technician
Answers
Fill in the Blank: When we define a function its inputs are called ___. Each time we call the function we'll give actual values for each input called ____a. arguments...parametersb. parameters...arguments
Answers
When we define a function, its inputs are called parameters. Each time we call the function, we'll give actual values for each input called arguments. So, the correct option is:
b. parameters...arguments
In programming, a function definition is a block of code that encapsulates a specific task or a set of instructions. It allows you to group related code together and give it a name, so you can easily reuse it and call it from different parts of your program.
In most programming languages, a function definition consists of several components:
Function Name: This is the identifier that you give to the function, which is used to call it later in the program. The name should be descriptive and meaningful to convey the purpose of the functionParameters: Functions can accept zero or more parameters, also known as arguments. Parameters are variables that allow you to pass values into the function. They define the inputs for the function and provide a way to customize its behaviorReturn Type: Some programming languages require you to specify the data type of the value that the function will return. This is known as the return type. If a function doesn't produce any result, it may have a return type of "void" or a similar concept indicating no return valueFunction Body: This is the actual block of code that defines what the function does. It consists of statements and expressions that perform the desired operations. The function body is enclosed within curly braces {} and is executed whenever the function is called.To know more about data type, visit the link : https://brainly.com/question/179886
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Heat air rises, cools then falls. Air near heat is replaced by cooler air and the cycle repeats
Answers
my mother lives just the corner from me
Answers
My mother lives.
From the point of view of the sentence, the mother is living far away from the point of her child. She is living not very far but from the point of view of the streets. She is living in her old apartment that is at the end of the road.
Hence says lives just the corner from me.
The statement describes the relations with the mother and child where the child expresses he feeling towards the mother that is used to living in her house that is just comer from her.Hence making the statement dramatic.Learn more about just the corner from me.
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If a person runs a distance of 0.7 km in 3 min, what is his average speed in kilometres/hour
Answers
Answer:
14 km/hour
Explanation:
For a LED diode that has a= 632 nm, then the A1 is equal to:
Answers
Answer:
1.693242
Explanation:
The colors in the Light emitting diodes have been identified by wavelength which is measured in nano-meters. Wavelength is a function of LED chip material. The LED diode which has a = 632 then A1 will be 1.63242, this is calculated by 1 / 632. Wavelength are important for human eye sensitivity. The colors emitted from the LED will depend on the semiconductor material.
The order of the columns returned by an SQL SELECT statement is determined by the ________.
Select one:
a. order they are listed in following WHERE
b. SORT BY clause
c. order they are listed in following FROM
d. ORDER BY clause
e. order they are listed in following SELECT
Answers
The order of the columns returned by an SQL SELECT statement is determined by the order they are listed in following SELECT.
What is SELECT statement?SELECT statement is one of statemen in SQL database that been used to select data from a database. The data that has been select with SELECT statement can be returned and stored in a result table, called the result-set.
SELECT statement will returned the data as it was selected, so the order of the columns will be returned as it was selected.
The other option have the other statement which is SORT BY statement is to sorting the data, the WHERE statement is to filter data, the FROM statement is to specify which data to select or to delete.
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Which option explains the benefit of a newly designed fluid power system in the following scenario? A new fluid power rail system is being designed to travel across a large expanse of China. The new system will have a state-of-the-art hydraulic power system. The new fluid power system will have microstructures in the inner tubing to decrease friction and allow for more efficient dispersion of the fluid. The new fluid power system will have microstructures in the inner tubing to decrease friction and allow for more efficient dispersion of the fluid. The new fluid power system will have microstructures in the inner tubing to increase friction and allow for more efficient dispersion of the fluid. The new fluid power system will have microstructures in the inner tubing to increase friction and allow for more efficient dispersion of the fluid. The new fluid power system will have smooth surfaces to decrease friction and allow for more efficient dispersion of the fluid. The new fluid power system will have smooth surfaces to decrease friction and allow for more efficient dispersion of the fluid. The new fluid power system will have smooth surfaces to increase friction and allow for more efficient dispersion of the fluid.
Answers
Answer:
B
Explanation:
Answer:
The new fluid power system will have microstructures in the inner tubing to increase friction and allow for more efficient dispersion of the fluid.
Explanation:
The corner store sells candy in ₵20, ₵30 and ₵50 packages. List all the ways in which the Candyman
can spend exactly $3.00 on candy.
Answers
Answer: I will list them down below!
Explanation:
He can buy 6, 50 cent candies.
He can buy 30, 20 cent candies.
He can buy 6, 30 cent candies and 6, 20 cent candies.
He can buy 15, 20 cent candies and 3, 50 cent candies.
He can by 3, 20 and 30 cent candies and 3, 50 cent candies.
That's it.
Hope this helps!
In relation to mine planning and design define scheduling
Answers
Answer:
Scheduling is a process of create a structure that shows the way a schedule is organized before developing a complete and final schedule of a project.
Explanation:
This is the initial step in of developing a project schedule for a capital cost project. At this stage, the estimates for the project are done involving the various actions in the project. A lot of details are included in this schedule showing the activities that are to be performed and the constraints involved.
A square plate of titanium is 12cm along the top, 12cm on the right side, and 5mm thick. A normal tensile force of 15kN is applied to the top side of the plate. A normal tensile force of 20kN is applied to the right side of the plate. The elastic modulus, E, is 115 GPa for titanium.If the left and bottom edges of the plate are fixed, calculate the normal strain and elongation of both the TOP and RIGHT side of the plate.
Answers
Answer:
\(X_t=2.17391304*10^{-4}\)
\(X_r=2.89855072*10^{-4}\)
\(e_t=0.0026\)
\(e_r=0.0035\)
Explanation:
From the question we are told that:
Dimension \(12*12\)
Thickness \(l_t=5mm=5*10^-3\)
Normal tensile force on top side \(F_t= 15kN\)
Normal tensile force on right side \(F_r= 20kN\)
Elastic modulus, \(E=115Gpap=>115*10^9\)
Generally the equation for Normal Strain X is mathematically given by
\(X=\frac{Force}{Area*E}\)
Therefore
For Top
\(X_t=\frac{Force_t}{Area*E}\)
Where
\(Area=L*B*T\)
\(Area=12*10^{-2}*5*10^{-3}\)
\(Area=6*10^{-4}\)
\(X_t=\frac{15*10^3}{6*10^{-4}*115*10^9}\)
\(X_t=2.17391304*10^{-4}\)
For Right side\(X_r=\frac{Force_r}{Area*E}\)
Where
Area=L*B*T
\(Area=12*10^{-2}*5*10^{-3}\)
\(Area=6*10^{-4}\)
\(X_r=2.89855072*10^{-4}\)
\(X_r=2.89855072*10^{-4}\)
Generally the equation for elongation is mathematically given by
\(e=strain *12\)
For top
\(e_t=2.17391304*10^{-4}*12\)
\(e_t=0.0026\)
For Right
\(e_r=2.89855072*10^{-4} *12\)
\(e_r=0.0035\)
what are the most 10 common things FAILURE MODE of the Automatic Rescue Breathing medical device? ( device without electric component)
Failure Mode Effects of each
Causes of each
RPN of each
Action plan for each
Answers
The most 10 common things FAILURE MODE of the Automatic Rescue Breathing medical device are as follows:
Failure Mode Effects of each causes of each RPN of each action plan for each :lack of Ventilation, During the Rescue Process, Increased Carbon Dioxide Levels in the Patient, Defective Tubing, Poor Seal of the Mask, Ruptured diaphragm, Material Degradation, Regulator Malfunction, Weak Bladder Bag, Valve Failure, Storage Damage
1. Lack of Ventilation: This is one of the most common failure modes of automatic rescue breathing devices. When the device is in use, the patient will experience an increase in carbon dioxide levels, which can be fatal if left untreated.
2. Increased Carbon Dioxide Levels in the Patient: During rescue operations, if the device is not properly calibrated, it can lead to increased carbon dioxide levels in the patient. This can cause dizziness, nausea, and even unconsciousness.
3. Defective Tubing: The tubing is responsible for delivering oxygen to the patient. If the tubing is defective, it can lead to the patient receiving less oxygen than required, which can result in hypoxia.
4. Poor Seal of the Mask: The mask is responsible for maintaining a seal between the device and the patient's face. If the seal is not tight enough, it can lead to air leaks and the patient not receiving the required amount of oxygen.
5. Ruptured Diaphragm: The diaphragm is responsible for regulating the flow of oxygen to the patient. If the diaphragm ruptures, it can lead to the patient receiving too much or too little oxygen, which can result in hypoxia.
6. Material Degradation: The components of the device can degrade over time, leading to a decrease in performance and possible device failure.
7. Regulator Malfunction: The regulator is responsible for controlling the amount of oxygen delivered to the patient. If the regulator malfunctions, it can result in the patient receiving too much or too little oxygen.
8. Weak Bladder Bag: The bladder bag is responsible for storing and delivering oxygen to the patient. If the bladder bag is weak, it can result in a decrease in performance and possible device failure.
9. Valve Failure: The valves are responsible for regulating the flow of oxygen to the patient. If the valves fail, it can result in the patient receiving too much or too little oxygen.
10. Storage Damage: The device can sustain damage during storage, which can lead to a decrease in performance and possible device failure.
The Automatic Rescue Breathing medical device is an essential medical tool used in rescue operations. However, it can fail due to several reasons. The ten most common reasons for failure include lack of ventilation, increased carbon dioxide levels in the patient, defective tubing, poor seal of the mask, ruptured diaphragm, material degradation, regulator malfunction, weak bladder bag, valve failure, and storage damage. In order to ensure the safety of the patient, it is important to regularly check the device for any defects and replace any damaged components.
To know more about hypoxia visit:
brainly.com/question/32223268
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