Answer:
filter drier
Explanation:
Any refrigeration or air conditioning system needs filter driers as a crucial part. In a refrigeration or air conditioning system, a filter drier serves two crucial purposes: first, it adsorbs system impurities like water, which can produce acids, and second, it provides physical filtering. To guarantee optimal and cost-effective dryer design, each component must be evaluated. The most crucial role of a dryer is to be able to drain water from a refrigeration system. Water can originate from a variety of places, including motor windings, equipment leaks, retained air from poor drainage, and others.
A masonry chimney should be braced with horizontal metal straps every few feet against the structure and into reinforced points such as wall studs to stabilize the chimney from the shaking force of an earthquake.
a. True
b. False
Answer: True
Explanation:
The statement that "a masonry chimney should be braced with horizontal metal straps every few feet against the structure and into reinforced points such as wall studs to stabilize the chimney from the shaking force of an earthquake" is true.
In a scenario whereby the chimney isn't braced with the horizontal metal straps every few feet, this can lead to its collapse in case of an earthquake. Therefore, the correct option is "true".
A bent-pipe transponder with a 36 MHz bandwidth is used to carry digital signals. Assuming raised cosine filtering with alpha = 0.25: a) What is the maximum QPSK symbol rate that could flow through the transponder? b) What is the corresponding bit rate? c) We are told we need to flow a high-quality HD 1080p sports feed through this transponder at a bit rate of 50 Mbps (this is not unusual!). Given only our choice of modulation as flexible, what modulation schemes (from the table above) would work? What would you recommend? (To quote Leonardo, "simplicity is the ultimate sophistication."
(A) To determine the maximum QPSK symbol rate, we need to use the formula:
Symbol rate = Bandwidth / (2 x log2(M) x (1 + alpha))
where M is the modulation order (in this case, M = 4 for QPSK).
Substituting the given values:
Symbol rate = 36 MHz / (2 x log2(4) x (1 + 0.25)) = 5.21 Msymbols/s
B) To determine the corresponding bit rate, we need to multiply the symbol rate by the number of bits per symbol (in this case, 2 for QPSK):
Bit rate = Symbol rate x bits per symbol = 5.21 Msymbols/s x 2 bits/symbol = 10.42 Mbps
C) From the table provided, the modulation schemes that could work for a bit rate of 50 Mbps are 16-QAM, 32-QAM, and 64-QAM. However, since we want to keep things simple, we would recommend using 16-QAM, which provides a good balance between data rate and reliability.
In summary, the maximum QPSK symbol rate that could flow through the transponder is 5.21 msymbols/s, the corresponding bit rate is 10.42 Mbps, and we would recommend using 16-QAM modulation to achieve a bit rate of 50 Mbps.
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A coastal engineer is to an oil platform as a structural engineer is to:
a freeway.
a skyscraper.
submarine pipelines.
an underground tunnel.
Answer:
I think the answer is d: underground tunnel
Explanation:
Hope this helps
Write a program that reads an unspecified number of scores and determines how many scores are above or equal to the average and how many scores are below the average. Enter a negative number to signify the end of the input. Assume that the maximum number of scores is 100. Here is a sample run: Enter a new score or negative number to exit: 99.1 Enter a new score or negative number to exit: 85.6 Enter a new score or negative number to exit: -1 Total scores entered: 2 Average score: 92.35 Number of scores above or equal to the average: 1 Number of scores below the average: 1
This program allows users to enter scores, calculates the average score, and determines the number of scores above or equal to the average, as well as the number of scores below the average.
Here is the program that reads an unspecified number of scores and determines how many scores are above or equal to the average and how many scores are below the average:
## Initializing the scoreList with an empty listscoreList = []while True: ## Get the input from the user score = float(input("Enter a new score or negative number to exit: ")) ##
Check whether the user wants to exit if score < 0: break ## Add the score to the list scoreList.append(score)## Get the total number of scores enteredtotalScores = len(scoreList)##
Get the total sum of scorestotalSum = sum(scoreList)## Calculate the average scoreaverage = totalSum / totalScores##
Initialize the counters for scores above and below the averagescoresAbove = 0scoresBelow = 0##
Loop through the score list and count the number of scores above and below the averagefor score in scoreList: if score >= average: scoresAbove += 1 else: scoresBelow += 1## Print the resultprint(f"Total scores entered: {totalScores}")print(f"Average score: {average:.2f}")print(f"Number of scores above or equal to the average: {scoresAbove}")print(f"Number of scores below the average: {scoresBelow}")##
End of the program Output:
Enter a new score or negative number to exit: 99.1Enter a new score or negative number to exit: 85.6Enter a new score or negative number to exit: -1Total scores entered: 2Average score: 92.35Number of scores above or equal to the average: 1Number of scores below the average: 1Learn more about program : brainly.com/question/26134656
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fill in the blank. two categories of laser printers are___. two categories of laser printers are___. active-matrix and passive matrix thermal and personal ink-jet and high-definition personal and shared
Two categories of laser printers are personal and shared. Personal laser printers are designed for individual use, typically in a home or small office setting.
Shared laser printers are designed for use by multiple people in a larger office setting. It is important to note that the terms "active-matrix" and "passive-matrix" do not apply to laser printers, but rather to different types of LCD screens. "Thermal" and "ink-jet" are also not categories of laser printers, but rather different types of printers altogether. Laser printers use toner, rather than ink, to produce high-quality prints.
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You are using a Jupyter Notebook to explore data in a DataFrame named productDF. You want to write some inline SQL by using the following code, and visualize the results as a scatter plot: %%sql SELECT cost, price FROM product What should you do before running a cell with the %%sql magic? a. Create a new DataFrame named product from productDF.select("cost", "price") b. Persist the productDF DataFrame using productDF.createOrReplaceTempView("product") c. Filter the productDF dataframe using productDF.filter("cost == price") d. Rename the columns in the productDF DataFrame using productDF.withColumnRenamed("cost", "price")
mechanical combustion results from all of the following, except:
Mechanical combustion results from all of the following, except: Electrical lighting.
What is Electrical lighting?Electric lighting has been a part of popular culture since Thomas Edison created a usable incandescent bulb in 1879. It was a major draw at the world's fairs in Chicago in 1894, Buffalo in 1901, and St. Louis in 1904, for instance.
Cities became more hospitable at night thanks to electric lighting; for instance, Broadway earned the nickname the Great White Way thanks to it. Moreover, it added brightness and life to homes.
Unsurprisingly, electric lighting was almost always referred to favorably in popular culture during the first half of the twentieth century. Take the 1931 film "City Lights" by Charlie Chaplin as an illustration. It celebrated indoor and outdoor electric lighting.
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Liquefied Natural Gas (LNG) is a natural gas in its liquid form that is clear, colorless, odorless, non-corrosive, and non-toxic. A) TrueB) False
Liquefied Natural Gas (LNG) can be defined as a natural gas which in liquid form appear clear and colorless. It is odorless, non-toxic, and non-corrosive. Therefore, the given statement is A) True.
LNG or Liquified Natural Gas is a fossil fuel that is produced after the compression of organic matter in the form of algae and phytoplankton. LNG consists of 95% methane gas. The combustion of LNG produces carbon dioxide and water vapors. It burns with a least pollution thus called as cleanest fossil fuel. The liquefaction of the natural gas takes place at -160 degree Celsius. The liquefaction of the gas causes it to transport easily in gas tanks. LNG is colorless, and clear. LNG does not possess any smell and it is non-corrosive to metallic tanks. LNG is also non-toxic.Learn more about natural gas:
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Which of the following can not be used to store an electrical charge?
How is the law of conservation of matter best represented in a chemical reaction
Answer:
Umm.... because the spit that comes up of your mouth when you talk mixes with the air
Explanation:
Which technical practice incorporates build-time identification of security vulnerabilities in the code?
Technical practice incorporates build-time identification of security vulnerabilities in the code is Penetration testing.
What is Penetrating Testing?A penetration test, sometimes referred to as a pen test or ethical hacking, is a legitimate simulated cyberattack on a computer system that is carried out to analyze the system's security. This is distinct from a vulnerability assessment.
In order to identify and illustrate the financial effects of a system's vulnerabilities, penetration testers employ the same tools, strategies, and procedures as attackers. Reconnaissance, scanning, vulnerability assessment, exploitation, and reporting are the five stages of a penetration test.
Penetration testing is a technical activity that includes build-time discovery of security vulnerabilities in the code.
Penetration tests are essential to an organization's security because they teach staff members how to respond to any kind of intrusion from a malicious party. Pen tests are a method of determining whether a company's security procedures are actually effective.
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A mixture of pulverized fuel ash and Portland cement to be used for grouting should have a true average compressive strength of more than 1300 KN/m2. The mixture will not be used unless experimental evidence indicates conclusively that the strength specification has been met. State the relevant hypotheses, and describe the type I and type II errors in the context of this problem.
Answer:
Null Hypothesis - True average compressive strength of mixture of pulverized fuel ash and Portland cement is more than 1300 KN/m2.
Type I error (false positive) - this occur when the True average compressive strength of mixture of pulverized fuel ash and Portland cement is not more than 1300 KN/m2 in actual scenario but the measurements shows an incorrect reading of True average compressive strength greater than 1300 KN/m2.
Type II error (false-negative)- his occur when the True average compressive strength of mixture of pulverized fuel ash and Portland cement is more than 1300 KN/m2 in actual scenario but the measurements show an incorrect reading of True average compressive strength less than 1300 KN/m2.
Explanation:
The hypothesis for this piece of information is as follows -
Null Hypothesis - True average compressive strength of mixture of pulverized fuel ash and Portland cement is more than 1300 KN/m2.
Alternate hypothesis - True average compressive strength of mixture of pulverized fuel ash and Portland cement is less than or equal to 1300 KN/m2
Type I error (false positive) - this occur when the True average compressive strength of mixture of pulverized fuel ash and Portland cement is not more than 1300 KN/m2 in actual scenario but the measurements shows an incorrect reading of True average compressive strength greater than 1300 KN/m2.
Type II error (false-negative)- his occur when the True average compressive strength of mixture of pulverized fuel ash and Portland cement is more than 1300 KN/m2 in actual scenario but the measurements show an incorrect reading of True average compressive strength less than 1300 KN/m2.
Tony works as a Sorter in a processing factory. Which qualifications does he most likely have?
teaching skills, for helping people perform farm tasks, and creative thinking skills, for finding ways to process food
safety skills, for handling tools and food products, and honesty, for following rules and regulations
accuracy, for closely inspecting equipment and operating heavy machinery safely
accuracy, for monitoring animals, and patience and determination, for observing and caring for animals
Answer:
answer is B
Explanation:
7. For the circuit shown, Vin Vin(t)=sin(wt) and R=100
What is the max current
Voltage : Vin = Vin(t) = sin(ωt)
Resistance R = 100Ω
According to Ohm's law, Voltage in a circuit is directly proportional to current flowing through it.
The proportionality constant in this case is equal to resistance.
So,
V ~ R
V = IR
as it is given that,
V = sin(ωt)
The maximum value of sign function is equal to 1.
So the maximum voltage in given case = V = 1 volt
Resistance given R = 100Ω
So,
Current according to Ohm's law : I = V/R
putting all the values in equation 2,
I = 1/100 = 0.01 A
so current in this case I = 0.01 ampere
I = 10 mili ampere
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In the single-phase mode of operation, How do the amplitudes of the forward and backward rotating magnetic fields compare to the amplitude of the rotating magnetic field for normal two-phases operation? How much torque can be produced during single-phase operation compared with normal two-phase operation?
During single-phase operation, the amplitudes of the forward and backward rotating magnetic fields are lower compared to the amplitude of the rotating magnetic field in normal two-phase operation, and the torque produced is also lower.
What are the differences in amplitudes of rotating magnetic fields and torque production between single-phase and normal two-phase operation?During single-phase operation, the amplitude of the forward and backward rotating magnetic fields is lower compared to the amplitude of the rotating magnetic field in normal two-phase operation.
In a normal two-phase system, two separate windings with a phase shift of 90 degrees are used to create a rotating magnetic field.
The amplitudes of these two magnetic fields are equal, and their combination creates a strong rotating magnetic field.
In single-phase operation, only one winding is used, resulting in a single-phase magnetic field.
This single-phase magnetic field produces a rotating magnetic field, but its amplitude is reduced compared to the two-phase operation.
The absence of the second winding with a 90-degree phase shift limits the strength of the rotating magnetic field in the single-phase mode.
As for the torque production, single-phase operation generally results in lower torque compared to normal two-phase operation.
The absence of the second winding and the reduced amplitude of the rotating magnetic field in single-phase mode lead to a weaker magnetic interaction with the rotor, resulting in lower torque production.
Overall, single-phase operation is less efficient and generates lower torque compared to normal two-phase operation due to the reduced strength of the rotating magnetic field.
It is typically used in applications with lower power requirements or where a dedicated two-phase power supply is not available.
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A scientist observes that both birds and snakes in the same ecosystem depend on the same mouse species as a food source. The relationship between the birds and the snakes is an example of
The relationship between the birds and the snakes in this scenario is an example of interspecific competition.
What is interspecific competition?The friendship between the birds and the snakes in this scenario is an model of interspecific competition. The fowls and snakes are two different species playing for the same fare source (mice) in the unchanging ecosystem.
This type of contest is a common ecological wonder and can have significant impacts on the people sizes and dynamics of the species complicated. In some cases, individual species may outcompete the different, leading to a decline in the populace of the weaker competitor. In different cases, the species can coexist by partitioning resources or complying to different environmental niches.
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A console application runs
through a browser
via a command prompt
with a GUI
through another application
A console application typically runs via a command prompt. Hence, option B is the correct answer.
A console application typically runs via a command prompt or terminal window, where the user interacts with the application by entering commands or providing input through the keyboard and receiving output in the form of text displayed on the console.
It's important to note that the behavior of a console application can vary depending on how it is executed. For example, when running through a browser or with a GUI, the console interface may be hidden or abstracted away while still providing the underlying functionality of the application.
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Can space debris take out a whole state
A turbine of a fossil fuel burning installation delivers 1,500 hp of mechanical energy to a generator. The generator then converts 80.0% of the mechanical energy into electrical energy. If the terminal potential difference of the generator is 1790 V, what current does it deliver (in A)
Answer:
The generator delivers current of 500.11 A
Explanation:
Given the data in the question;
mechanical energy delivered to the generator = 1500 hp
efficiency η = 80.0 %
terminal potential difference of the generator = 1790 V
we know that;
1 hp = 746 W
so
the mechanical energy delivered to the generator will be
Generator Input = ( 1500 × 746 )W = 1119000 W
So the generator output will be;
Generator Output = Generator Input × η
we substitute
Generator Output = 1119000 W × 80.0 %
Generator Output = 1119000 W × 0.8
Generator Output = 895200 W
So the Current will be;
\(I\) = Generator Output / terminal potential difference of the generator
we substitute
\(I\) = 895200 W / 1790 V
\(I\) = 500.11 A
Therefore, The generator delivers current of 500.11 A
how do we find percentage error in measuring voltage across a resistor
Answer:
use the percentage error relation
Explanation:
The percentage error in anything is computed from ...
%error = ((measured value)/(accurate value) -1) × 100%
__
The difficulty with voltage measurements is that the "accurate value" may be hard to determine. It can be computed from the nominal values of circuit components, but there is no guarantee that the components actually have those values.
Likewise, the measuring device may have errors. It may or may not be calibrated against some standard, but even measurement standards have some range of possible error.
Answer:
use the percentage error relation
What needs to be checked when testing a UTP network cable?
By performing these tests, network technicians can verify that the UTP cable is properly installed and capable of transmitting data at the required speed and distance, ensuring that the network functions correctly and reliably.
When testing a UTP (unshielded twisted pair) network cable, several parameters need to be checked to ensure that the cable is functioning correctly and can reliably transmit data. Here are some of the key tests that should be performed: Continuity: This test verifies that each of the eight wires in the cable is connected to the correct pin on both ends of the cable, ensuring that there are no broken or crossed wires that could cause data errors or signal loss. Wiring configuration: This test confirms that the wires are arranged in the correct order on both ends of the cable, following either the T568A or T568B wiring standard. Length: The length of the cable should be measured to ensure that it doesn't exceed the maximum length allowed for the particular category of cable being used. NEXT (Near End Crosstalk): This test checks for interference from adjacent wires in the cable, which can cause signal degradation or loss. Attenuation: This test measures the amount of signal loss that occurs as the signal travels through the cable, ensuring that the cable can transmit data over the required distance without excessive signal loss. Return Loss: This test measures the amount of signal that is reflected back from the cable when a signal is transmitted, ensuring that the cable is properly terminated and that the signal is not being reflected back to the transmitter.
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Never operate electric tools outdoors or in wet conditions unless circuit is protected by what?.
Never operate electric tools outdoors or in wet conditions unless the circuit is protected by a ground fault circuit interrupter (GFCI).
When a number of electric entities are connected through various conductors is called a circuit.
Here,
A ground fault circuit interrupter (GFCI) helps to avoid the repercussion caused due to electric shocks. An individual receives a shock, the GFCI perceives this and cuts off the current before the individual can get any damage. it is usually installed where electrical circuits come into reference with water.
Thus, Never operate electric tools outdoors or in wet conditions unless the circuit is protected by a ground fault circuit interrupter (GFCI).
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match the definitions with their correct bond features. - permit the bondholder to convert from a debt security into stock of the company, which is an equity security. - permit the issuer to retire the bond after a specified period of time, but before the stated maturity date of the bond. - allows the owner of the bond to sell it back to the issuer at a pre-determined price prior to the stated maturity of the bond. - bonds backed by some form of collateral, which gives the investor the ability to recover some or all of the invested capital in the event the bond issuer defaults. - a bond with multiple maturity dates that permit the issuer to partially retire the bond issue at dates specified in the bond. - a bond that does not make any regular interest (coupon) payments. instead, all the interest is paid at the maturity date along with the return of the principal.
The definitions that matched with their correct bond features are as follows:
Permit the bondholder to convert from a debt security into stock of the company, which is an equity security = D. convertible bond.Permit the issuer to retire the bond after a specified period of time, but before the stated maturity date of the bond = A. callable bond.Allows the owner of the bond to sell it back to the issuer at a pre-determined price prior to the stated maturity of the bond = C. Puttable bond.Bonds backed by some form of collateral, which gives the investor the ability to recover some or all of the invested capital in the event the bond issuer defaults = F. secured bondA bond with multiple maturity dates that permit the issuer to partially retire the bond issue at dates specified in the bond = B. serial bond.A bond that does not make any regular interest (coupon) payments. instead, all the interest is paid at the maturity date along with the return of the principal = E. zero-coupon bond.Bond features are the characteristics or attributes of a bond that determine its terms, conditions, and rights. These features include, but are not limited to, the bond's maturity date, interest rate, coupon payments, callability, convertibility, credit rating, and collateral.
The bond's features are important to investors because they affect the bond's risk and potential return. For example, a bond with a higher interest rate or a longer maturity date may provide a higher return but also carry more risk. Understanding the bond features is important when making investment decisions, as it helps investors evaluate the risk and reward associated with a particular bond investment.
This question should be provided as:
Match the definitions with their correct bond features:
Permit the bondholder to convert from a debt security into stock of the company, which is an equity security. Permit the issuer to retire the bond after a specified period of time, but before the stated maturity date of the bond. Allows the owner of the bond to sell it back to the issuer at a pre-determined price prior to the stated maturity of the bond. Bonds backed by some form of collateral, which gives the investor the ability to recover some or all of the invested capital in the event the bond issuer defaults. A bond with multiple maturity dates that permit the issuer to partially retire the bond issue at dates specified in the bond. A bond that does not make any regular interest (coupon) payments. instead, all the interest is paid at the maturity date along with the return of the principal.Options to chose:
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What time ----–- the train arrve?
A lever has an effort arm that is 10 meters long and a resistance (load) arm, 50 Newtons that is 5. 5 meters long. A. How much effort is needed to lift the load, in Newton?
In a lever system, the effort required to lift a load can be calculated using the principle of torque. The effort needed to lift the load on the lever is 275 Newtons.
Torque is the product of force and the perpendicular distance from the force to the pivot point. In this case, the effort arm of the lever is 10 meters long, and the resistance arm is 5.5 meters long.
To calculate the effort needed, we can use the equation:
Effort × Effort Arm = Load × Load Arm
Let's substitute the given values into the equation:
Effort × 10 = 50 × 5.5
Simplifying the equation, we have:
Effort × 10 = 275
Dividing both sides of the equation by 10, we find:
Effort = 275/10 = 27.5 Newtons
Therefore, the effort needed to lift the load on the lever is 275 Newtons.
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Creating an object model
Think back to the Sales Bonus Problem you created in a prior lesson.
A more elegant solution to that problem would incorporate objects. This week you are going to revise it to an object oriented program. To do that you need to identify the objects that you need to create to support the program.
Create UML diagrams for each of the object(s) you need and using the concept of design by contract, identify the responsibilities.
For this part of the assignment I only want the UML design document and the contract responsibilities. You will use these design documents to create the program in the next assignment.
I can provide you with general guidance on creating an object model and designing by contract.
How to create an object model in UMLTo create an object model, start by identifying the entities in the problem domain and their relationships. These entities will become the objects in your program. Then, you can use UML diagrams to represent the class structure, including the attributes and methods of each class.
To design by contract, you should define a clear interface for each class, specifying its responsibilities, preconditions, and postconditions. This will ensure that the class behaves as expected and can be used safely in other parts of the program.
Once you have created your UML diagrams and defined the contracts for each class, you can use them as a blueprint for writing the actual program in code.
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List the five lines that include short dashes.
Answer:
OBJECTLINE
HIDDEN LINE
SECTION LINE
CENTER LINE
Explanation:
A liquid of specific heat 3000J/kgk rise from 15°c to 65°c in 1 min when an electric heater is used. If the heater generate 63000J, calculate the mass of the water
Answer:
0.42 kg
Explanation:
Heat is proportional to mass by way of the conversion factor that is the inverse of the specific heat.
\(\dfrac{63000\text{ J}}{\dfrac{3000\text{ J}}{\text{kg$\cdot$K}}\cdot(65-15)\text{ K}}=0.42\text{ kg}\)
The mass of the liquid is about 0.42 kg.
Tho itcms below appear on a physicias's intake form. Determine the level of measurement of tho date. (a) Temperature (b) Allergios (c) Weight (d) Paln level (scale of 0 to 10 ) 26. The items below appear on sa employment application. Determine the level of measurement of the data. (a) Highest grade level completed (b) Gender (c) Year of college graduation (d) Nuaber of years at last job Classifying Data by Type and Level In Exereises 27-32, determine whether the data are qualiatave of quannitative, and detemine the level of measurement of the daia set. 27. Football The top five teams in the final college football poll relcased in January 2013 are listed. (Source: Aswociased Press) 1. Alabama 2. Oregon 3. Ohio State 4. Notre Dame 5. GeorgiafTexas A \&M 28. Polities The three political parties in the 112th Congress are listed. Republican Democrat Independent 29. Top Salespeople The regions representing the top salespeople in a corporation for the past sixyears are listed. Southeast Northwest Northeast Southeast Southwest Southwest 30. Diving. The scores for the gold medal winning diver in the men's 10 -meter platform event from the 2012 Summer Olympies are listed. (Soerrce: Sntemationit Olmmic Committce) 97.20
90.75
86.40
91.80
99.90
102.60
31. Music Albums The top five music albums for 2012 are listed. (Soarce: Birboard) 1. Adele 21" 2. Michael Buble "Christmas" 3. Drake "Take Care" 4. Taylor Swift "Red" 5. One Direction "Up All Night" 32. Ticket Prices The average ticket prices for 10 Broadway shows in 2012 are listed. (Source. The Broalnay Leagut) EXTENDING CONCEPTS 33. Writing What is an inherent zero? Describe three examples of data sets that have inherent zeros and three that do not. 34. Describe two examples of data sets for cach of the four levels of measurement. Justify your answer.
The level of measurement for the given data is as follows:
(a) Temperature - Quantitative, interval
(b) Allergies - Qualitative, nominal
(c) Weight - Quantitative, ratio
(d) Pain level - Quantitative, ordinal
Temperature is a quantitative variable that can be measured on an interval scale because the differences between temperature values are meaningful (e.g., the difference between 20 and 30 degrees Celsius is the same as the difference between 30 and 40 degrees Celsius).
Allergies, on the other hand, are a qualitative variable that can be categorized into different groups or levels without any inherent numerical value. It is measured on a nominal scale, which means there is no numerical order or ranking associated with the categories.
Weight is a quantitative variable that can be measured on a ratio scale. It has a meaningful zero point (absence of weight) and the ratios between weight values are meaningful (e.g., 100 pounds is twice as heavy as 50 pounds).
Pain level is also a quantitative variable, but it is measured on an ordinal scale. The scale of 0 to 10 represents different levels of pain intensity, but the differences between the numbers may not be equal or meaningful. It only provides a ranking or order of pain levels.
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A site is underlain by a soil that has a unit weight of 118 lb/ft3. From laboratory shear strength tests that closely simulated the field conditions, the total stress parameters were measured to be C total = 250 lb/ft2 and φ total = 29°. Estimate the shear strength on a horizontal plane at a depth of 12 ft below the ground surface at this site in lbs/ sq ft
Answer: the shear strength at a depth of 12 ft is 1034.9015 lb/ft²
Explanation:
Given that;
Weight of soil r = 118 lb/ft³
stress parameter C = 250 lb/ft²
φ total = 29°
depth Z = 12 ft
The shear strength on a horizontal plane at a depth of 12ft
ζ = C + δtanφ
where δ = normal stress
normal stress δ = r × z = 118 × 12 = 1416
so
ζ = C + δtanφ
ζ = 250 + 1416(tan29°)
ζ = 250 + 1416(tan29°)
ζ = 250 + 784.9016
ζ = 1034.9015 lb/ft²
Therefore the shear strength at a depth of 12 ft is 1034.9015 lb/ft²