A solar collector design consists of an inner tube enclosed concentrically in an outer tube that is transparent to solar radiation. The tubes are thin walled with inner and outer diameters of 0.10 and 0.15 m, respectively. The annular space between the tubes is completely enclosed and filled with air at atmospheric pressure. Under operating conditions for which the inner and outer tube surface temperatures are 70 and 30 C, respectively, what is the convective heat loss per meter of tube length across the air space?
Answers
The convective heat loss per meter of tube length across the air space in the given solar collector design is approximately 34.6 W/m.
To calculate the convective heat loss per meter of tube length across the air space in a solar collector design with an inner tube enclosed concentrically in an outer tube filled with air at atmospheric pressure, we can use the following steps:
Step 1: Calculate the temperature difference between the inner and outer tube surfaces:
ΔT = 70°C - 30°C = 40°C
Step 2: Calculate the average temperature of the air in the annular space:
T_avg = (70°C + 30°C) / 2 = 50°C
Step 3: Calculate the thermal conductivity of air at the average temperature:
k = 0.026 W/(m·K)
Step 4: Calculate the characteristic length of the annular space:
L = (0.15 m - 0.10 m) / 2 = 0.025 m
Step 5: Calculate the Rayleigh number:
Ra = (g β ΔT L^3) / (ν α)
where g is the acceleration due to gravity, β is the coefficient of thermal expansion, ν is the kinematic viscosity, and α is the thermal diffusivity of air. Using the values of these parameters at the average temperature, we get:
Ra = \((9.81 m/s^* 1/273 K^-1 * 40 K * 0.025 m^3) / (15.89 * 10^-6 m^2/s * 2.33 * 10^-5 m^2/s)\) ≈ 275,000
Step 6: Calculate the Nusselt number using the following correlation for natural convection in an annulus:
\(Nu = 0.088 Ra^{(1/3)} (1 + (d_i / d_o))^{(1/4)\)
where d_i and d_o are the inner and outer diameters of the tubes, respectively. Plugging in the given values, we get:
\(Nu = 0.088 * 275,000^{(1/3)} (1 + (0.10 m / 0.15 m))^{(1/4)\) ≈ 33.3
Step 7: Calculate the convective heat transfer coefficient:
h = Nu x k / L = 33.3 x 0.026 W/(m·K) / 0.025 m ≈ 34.7 W/(m^2·K)
Step 8: Calculate the convective heat loss per meter of tube length:
\(q_{conv\) = h x π x L x ΔT = 34.7 W/(m^2·K) x π x 0.025 m x 40°C ≈ 34.6 W/m
Therefore, the convective heat loss per meter of tube length across the air space in the given solar collector design is approximately 34.6 W/m.
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Related Questions
Read the following paragraph as quickly as you can, and see if you encounter any diculties.
Aoccdrnig to rscheearch at an Elingsh uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer is at the rghit pclae. The rset can be a toatl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae we do not raed ervey lteter by itslef but the wrod as a wlohe.
This has been presented as an example of a principle of human reading compre-hension. If you keep the rst letter and the last letter of a word in their correct positions, then scramble the letters in between, the word is still quite readable in the context of an accompanying paragraph. However, it seems that this is a bit of a myth and not truly based on solid research.1 In short, for longer words the task is much more dicult. Nonetheless, we are going to imitate the process on some English text.
The task will be to read in a paragraph from a le, scramble the internal letters of each word, and then write the result to a le. Handling punctuation is tricky. You are required to deal with punctuation that comes at the end of a word (period, question mark, exclamation, etc.)|that is, punctuation is left untouched and does not count as the nal unscrambled letter. Optionally, one can deal with the more dicult task of handling all punctuation, such as apostrophes for possessives or hyphenated words. Truly randomizing the order of letters is a task for later in the text, but we can do some reasonable approximations now. Attacking this problem in a divide-and-conquer way should begin by writing code to scramble the letters in a word.
Create a dierent solution by dening scrambling functions for each of the following approaches: (Each approach counts as a dierent problem)
(a) For each letter choose a random number and rotate that letter by the random amount. Import random and use the random.randint(a,b) function where `a' and `b' dene the range of random numbers returned.
(b) Implement a dierent method to scrambling the letters. You must clearly describe in the comments the process to scramble the letters in place.It must be dierent than the process from part a.
Answers
Answer:
a
Explanation:
just took the quiz
A signalized intersection has a sum of critical flow ratios of 0.72 and a total cycle lost time of 12 seconds. Assuming a critical intersection v/c ration of 0.9, calculate the minimum necessary cycle length.
Answers
Answer:
\(T_o=82.1sec\)
Explanation:
From the question we are told that:
Lost Time \(t=12secs\)
Sum of critical flow ratios \(X=0.72\)
Generally the Webster Method's equation for Optimum cycle time is is mathematically given by
\(T_o=\frac{1.5t+5}{1-x}\)
\(T_o=\frac{1.5*12+5}{1-0.72}\)
\(T_o=82.1sec\)
When rolling two dice, the probability of rolling doubles is 1/6. Suppose that a game player rolls the dice five times, hoping to roll doubles. What is the probability the player gets doubles less than three times in 5 attempts?
Answers
The probability that the player gets doubles less than three times in 5 attempts is; 0.9645.
How to solve Binomial Probability?
The formula for binomial probability distribution is;
P(X = x) = ⁿCₓ × pˣ × (1 - p)⁽ⁿ ⁻ ˣ⁾
where;
x = total number of successes
p = probability of a success on an individual trial
n = number of trials
We are given;
x = 3
p = 1/6 = 0.1667
n = 5
Thus;
P(X < 3) = (⁵C₂ * 0.1667 * (1 - 0.1667)⁽⁵ ⁻ ²⁾) + (⁵C₁ * 0.1667 * (1 - 0.1667)⁽⁵ ⁻ ¹⁾) + (⁵C₀ * 0.1667 * (1 - 0.1667)⁽⁵ ⁻ ⁰⁾)
Thus;
P(X < 3) = 0.9645
Thus, the probability that the player gets doubles less than three times in 5 attempts is 0.9645.
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A golfer and her caddy see lightning nearby. the golfer is about to take his shot with a metal club, while her caddy is holding a plastic handled umbrella. which person is at greater risk? Explain why?
Answers
Answer:
The golfer is at greater risk.
Explanation:
The golfer is holding a metal club. Metal is a good conductor for electricity (lightning), meaning electrons can pass through easily. Her caddy is at lesser risk because she is holding a plastic handled umbrella. Plastic is an insulator, which does not easily allow the movement of electrons to pass.
An aircraft repair shop employs 12 people in engine overhaul, 27 in aircraft overhaul, 8 on engine operational checks, 4 on airframe operation checks, 3 inspectors, 2 welders and a foreman. What is the total number of employees? 2. A Boeing 747 aircraft has a fuel load of 25 tons, 300 passengers with an average weight of 170lbs., 40000lbs. of cargo and the empty weight of the aircraft is 300000 lbs. What is the gross weight of the aircraft? 3. A drilled hole is 1.250 inches in diameter. The bolt for the hole must be made .003 inches smaller than the hole. What is the diameter of the bolt? 4. Twenty tires are to be mounted on aircraft wheels that have nine bolt holes per wheel. Each bolt requires one nut and two washers. Upon inspection of the old hardware, there is found to be eighty five bolts, fifty nuts and 100 washers that may be reused. The rest will will have to be drawn from stock. How many of each will have to be issued from stock? 5. A piece of tubing 18 inches long is cut into 4 pieces. The first piece is 3 inches long, the second is 2 inches and a third piece is 6 inches. Each saw cut is 1/16 inch wide. What is the length of the remaining piece?
Answers
1. Total Number of Employees in Aircraft Repair Shop = Number of People in Engine Overhaul + Number of People in Aircraft Overhaul + Number of People on Engine Operational Checks + Number of People on Airframe Operation Checks + Number of Inspectors + Number of Welders + Number of Foreman= 12 + 27 + 8 + 4 + 3 + 2 + 1= 57 employees.
2. The weight of an empty Boeing 747 is 300000 pounds, fuel load is 25 tons = 50,000 pounds, 300 passengers with an average weight of 170 pounds = 51,000 pounds, 40000 pounds of cargo = 40000 pounds
. So, Gross Weight of Aircraft = Empty Weight + Fuel Load + Passengers Weight + Cargo= 300000 + 50000 + 51000 + 40000= 441,000 pounds.
3. The diameter of the drilled hole is 1.250 inches, so the diameter of the bolt for the hole should be 1.250 inches – 0.003 inches = 1.247 inches.
4. Each tire will have 9 bolts, 1 nut, and 2 washers.
As per the given data, there are 85 bolts, 50 nuts, and 100 washers which can be reused.
Therefore, the total number of bolts, nuts, and washers required for 20 tires are:
Bolts required for 20 tires= Total number of bolts required – bolts which can be reused= (20 × 9) – 85= 35 nuts required for 20 tires= Total number of nuts required – nuts which can be reused= (20 × 9) – 50= 100 washers required for 20 tires= Total number of washers required – washers which can be reused= (20 × 9 × 2) – 100= 260.
So, 35 bolts, 100 nuts, and 260 washers will have to be issued from stock.
5. The piece of tubing of 18 inches is cut into 4 pieces. The saw cut is 1/16 inch wide. So, 4 saw cuts are 4 × 1/16 = 1/4 inch. The total length of the pieces after cutting = 3 + 2 + 6 + 1/4= 11.25 inches.
Therefore, the length of the remaining piece of tubing = 18 – 11.25= 6.75 inches.
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technician A says that many port fuel-injection systems on four-cylinder engines use a simultaneous firing of injectors. Technician B says that sequential fuel injectors are timed and pulsed individually, much like the spark plugs are sequentially operated in firing order of the engine. Who is correct
Answers
In the two scenario above concerning port fuel-injection and sequential fuel injectors, only Technician b is correct.
How many injectors can be found in a 4 cylinder?A vehicle often has one fuel injector per cylinder and if one has a four-cylinder car, it would also have four fuel injectors.
Note that Fuel-pressure regulators that are found on a port fuel-injected systems is one that often work with injector pressures that is said to be of 30 to 55 PSI.
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The alternator must be operated with the battery disconnected or with the terminals at the back of the alternator
disconnected.
True or false
Answers
Answer:
true
Explanation:
I think so
Hope it helps
Gantt Charts are used to:
A. Show relationships between activities
B. Show the overall length of the project and each activity
C. Show float
D. Describe the WBS
Answers
Gantt Charts are used to show the overall length of the project and each activity.
What is gantt chart ?A Gantt chart is a sort of bar chart that shows a project timetable. It was created by Henry Gantt, who popularized the format between the years of 1910 and 1915. The dependence structures between activities and the state of the current schedule are also displayed in modern Gantt charts.
A Gantt chart is a project management tool that helps with the planning and scheduling of projects of all kinds. They are especially helpful for streamlining complex projects, though.
Thus, option B is correct.
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A line drawn from the leading edge to the trailing edge of an airfoil and equidistant at all points from the upper and lower contours is called the
Answers
A line drawn from the leading edge to the trailing edge of an airfoil and equidistant at all points from the upper and lower contours is called the mean camber line.
The mean camber line is a very important concept in aerodynamics as it defines the overall shape of an airfoil and plays a key role in determining its aerodynamic characteristics, such as lift and drag. It is used to calculate the maximum thickness, maximum camber, and location of the maximum camber of an airfoil.
The mean camber line is typically used as a reference line when designing airfoils, and different shapes can be created by modifying it with specific curves and angles.
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TCL Rosu TV
.
Does anyone know why my stuck is like this?
Answers
Try rebooting the router by unplugging it from the power source, then plugging it back in.
Why is my TCL Rosu TV not connecting?Unplug the router from the power supply, then connect it back in to see if that can restart it. Change the wireless security setting on the router to WPA-PSK (TKIP). Check the "Advanced Router Settings" section below by scrolling down.Ten seconds after unplugging your Android TV, plug it back in. Retry pairing it while your Android TV is on. Check to see if your device can link to other gadgets, like a tablet or phone. When connecting to other devices, your device: Restore the factory settings on your Android TV.Restarting any problematic equipment, including your smart TV, is the simplest universal step in troubleshooting. Before plugging the TV back in, wait at least 30 seconds after turning it off and unplugging it from the wall.Learn more about TV not connecting refer to :
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Technician A says that a conditionally-exempt small quantity generator is required to use hazardous waste shipment manifests.
Technician B says that maintaining hazardous waste records may be required for at least three years.
Who is right?
A)
Aonly
B)
B only
C) Both A and B
D) Neither A nor B
Answers
The statements made by both technicians are correct. Thus, the correct option for this question is C, i.e. both A and B.
What is a Technician?A technician may be characterized as someone whose job involves skilled practical work with scientific equipment, for example in a laboratory. The role of these people is to repair, install, replace, and service different systems and equipment.
The statement of the technician states that a conditionally-exempt small quantity generator is required to use hazardous waste shipment manifests.
While the statement technician B states that maintaining hazardous waste records may be required for at least three years. Both options are correct with respect to maintaining and degrading hazardous wastes.
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You should always try to put out a fire if you see one, no matter how large it is.
Answers
Answer:
That's not true, if your house is burning down, leave. Let the firefighters do their jobs.
Explanation:
No help dude that’s not even part of the question
Answers
Answer:
wat?
Explanation:
The question should be labeled in the psychology section, but what I assume the question means is some sort of paradoxical reverse psychology method of braincell loss. Even photosynthesis doesn't understand what it means. The question probably is what is the question, not that there's no help.
Hope this helps (a little)!
is a street the same as a avenue
Answers
they're essentially the same thing so i'd say yes
Hi im ***ar and im doing sculptural but what should it be about star wars or Marvel
Answers
Answer:
Cool I think u should do Marvel first
1. When choosing a respirator for your job, you must conduct a
test.
A) Weight
B) Practice
Co Fit
haz
D) Breathing
Answers
Answer:
D
Explanation:
in the context of the database design process, the conceptual design step that identifies er modules and validates insert, update, and delete rules is _____.
Answers
In the context of the database design process, the conceptual design step that identifies Entity-Relationship (ER) modules and validates insert, update, and delete rules is called "ER Modeling."
The conceptual design step that identifies ER modules and validates insert, update, and delete rules in database design is the Entity Relationship (ER) Modeling step. ER modeling is used to create a conceptual representation of the database that identifies the entities (such as customers, products, and orders) and the relationships between them. During this process, rules for inserting, updating, and deleting data are also established. This step is critical because it lays the foundation for the entire database design and ensures that the final product meets the requirements of the stakeholders.
During the ER Modeling phase, the following steps are performed:
1. Identify entities: Determine the main objects that will be represented in the database.
2. Identify relationships: Determine how entities are related to each other.
3. Define attributes: Identify the properties or characteristics of each entity.
4. Establish constraints: Set rules to maintain data integrity and ensure consistency in the database.
Validating insert, update, and delete rules during the ER Modeling phase is crucial because it ensures that any changes to the data conform to the defined constraints and maintain data integrity. This helps prevent errors and inconsistencies in the database.
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A nuclear power plant produces electricity from a steam driven turbine. The steam is generated by heat created by.
Answers
Answer: A nuclear power plant produces electricity from a steam-driven turbine. The steam is generated by heat created by Nuclear fission.
Explanation:
A nuclear power plant is a thermal power station with a nuclear reactor as the heat source. Like other thermal power plants, a steam turbine attached to an electricity-generating generator uses heat to create steam.
In contrast, nuclear fission is a reaction in which an atom's nucleus separates into two or smaller nuclei. Large amounts of energy are released in nuclear power plants thanks to the nuclear fission process that takes place there.
Additionally, nuclear fission takes place when neutron particles bombard Uranium-235. The elements in question are uranium-235 and plutonium-239, both of which create high-energy gamma photons as a result of radioactive decay.
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1. Asbestos can be dangerous but is not a known carcinogen.
A) O True
B) O False
Answers
Asbestos may cause cancer by inhalation. Moreover, asbestos is also known to cause different respiratory diseases (especially asbestosis) by affecting the mucosa of the bronchi.
The statement "Asbestos can be dangerous but is not a known carcinogen" is FALSE.Asbestos is a group of materials that were widely used in building constructions until 1990.Asbestos is a toxic substance that may cause mesothelioma and lung cancer.Mesothelioma is a type of cancer that develops on the outer surface that covers different internal organs.Moreover, asbestosis is a chronic disease in the lungs caused by long-term exposure to asbestos.Learn more in:
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Answer:
False
Explanation:
9. Calculate the total resistance and current in a parallel cir-
cuit with three resistors of 4, 8, and 16 ohms, using any
one of the five methods (calculator suggested). What is
the total resistance and current?
a. 27 ohms (0.4 ampere)
b. 14 ohms (0.8 ampere)
c. 4 ohms (3.0 amperes)
d. 2.3 ohms (5.3 amperes)
Answers
Answer:
d. 2.3 ohms (5.3 amperes)
Explanation:
The calculator's 1/x key makes it convenient to calculate parallel resistance.
Req = 1/(1/4 +1/8 +1/16) = 1/(7/16) = 16/7 ≈ 2.3 ohms
This corresponds to answer choice D.
__
Additional comment
This problem statement does not tell the applied voltage. The answer choices suggest that it is 12 V. If so, the current is 12/(16/7) = 21/4 = 5.25 amperes.
Which of the following is not a command as per CQRS pattern in a Microservices Application? Pick ONE option a. POST ORDER b. DELETE ORDER:ID 22 c. GET ORDER ID:22 d. PUT ORDER ID:22
Answers
The option that is not a command as per CQRS pattern in a Microservices Application is c. GET ORDER ID:22.
CQRS (Command Query Responsibility Segregation) is a design pattern that separates the read and write operations for a data store. Commands are used for write operations, such as creating, updating, or deleting data. Queries are used for read operations, such as retrieving data.
In the options given, POST ORDER, DELETE ORDER:ID 22, and PUT ORDER ID:22 are all commands, as they are used for write operations. However, GET ORDER ID:22 is a query, as it is used for retrieving data. Therefore, it is not a command as per CQRS pattern in a Microservices Application.
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Both copper and stainless steel are being considered as a wall material for a liquid cooled rocket nozzle. The cooled exterior of the wall is maintained at 150°C, while the combustion gases within the nozzle are at 2750°C. The gas side heat transfer coefficient is known to be hᵢ = 2×10⁴ W/m²-K, and the radius of the nozzle is much larger than the wall thickness. Thermal limitations dictate that the temperature of copper must not exceed 540°C, while that of the steel must not exceed 980°C. What is the maximum wall thickness that could be employed for each of the two materials? For Cu, ρ = 8933 kg/m³, k = 378 W/m-K and for stainless steel, ρ = 7900 kg/m³, k = 23.2 W/m-K
Answers
a. The maximum thickness of the copper nozzle is 3.3 mm
b. The maximum thickness of the steel nozzle is 0.054 mm
The question has to do with heat transfer
What is heat transfer?Heat transfer is the movement of heat energy from one body to anotrher.
How to calculate the maximum wall thickness?Since the rate of heat loss by the gas equal rate of heat gain by the metal.
Rate of heat loss by gasThe rate of heat loss by gas is P = -hA(T - T') where
h = heat transfer coefficient of gas = 2 × 10⁴ W/m²-K, A = surface area of nozzle, T = maximum temperature of metal and T = Temperature of gas = 2750°CRate of heat gain by metalThe rate of heat gain by metal is given by P' = kA(T - T")/t where
k = thermal coefficient of metal, A = surface area of nozzle, T = maximum temperature of metal, T" = temperature of exterior wall of nozzle = 150°C and t = thickness of nozzle. Maximum thickness of nozzle.Since P = P', we have that
-hA(T - T') = kA(T - T")/t
Making t subject of the formula, we have
t = -k(T - T")/h(T - T')
a. Maximum thickness for copper nozzleGiven that for copper
T = 540°C and k = 378 W/m-KSubstituting the values of the variables into t, we have
t = -k(T - T")/h(T - T')
t = -378 W/m-K(540°C - 150°C)/[2 × 10⁴ W/m²-K(540°C - 2750°C)]
t = -378 W/m-K(390°C)/[2 × 10⁴ W/m²-K(-2210°C)]
t = 147420 W/m/4420 × 10⁴ W/m²
t = 147420 W/m/44200000 W/m²
t = 0.0033 m
t = 3.3 mm
So, the maximum thickness of the copper nozzle is 10.71 cm
b. Maximum thickness for steel nozzleGiven that for steel
T = 980°C and k = 23.2 W/m-KSubstituting the values of the variables into t, we have
t = -k(T - T")/h(T - T')
t = -23.2 W/m-K(980°C - 150°C)/[2 × 10⁴ W/m²-K(980°C - 2750°C)]
t = -23.2 W/m-K(830°C)/[2 × 10⁴ W/m²-K(-1770°C)]
t = 19256 W/m/3540 × 10⁴ W/m²
t = 19256 W/m/35400000 W/m²
t = 0.0000544 m
t = 0.0544 mm
t ≅ 0.054 mm
So, the maximum thickness of the steel nozzle is 0.054 mm
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There are many answers to this scenario. Please post yours and comment what you like about others and how you might improve them.
The Acme Company has two offices. They would like you to help them address their network. Like all companies, they want to account for growth, but want a simple, organized addressing scheme. They have been assigned the range of 201.11.10.224/29 for public access. Their VLAN needs are below for each site.
The 201.11.10.224/29 address has only 8 total addresses. That's not even going to cover the first subnet. This is a component of IPv4 and limited addresses. So, we can use Network Address Translation (NAT) on the router limiting the 201.11.10.0 addresses to the outside of network and use private addresses internally. What are the private address ranges? (Hint: They are in Module 11.3.1). Pick one and use that to address the scenario.
Document how you would address the network and communicate it to Acme leadership.
Walla Walla Office (HQ)
Management (10 devices)
Accounting (25 devices)
IT (30 devices)
Production (100 devices)
Seattle Office
Management (10 devices)
Accounting (25 devices)
IT (15 devices)
Production (50 devices)
Answers
Network address translation between Walla Walla and Seattle is the optimum network method for this.
What is Network Address Translation?Network address translation is a technique for translating one IP address space to another by altering network address information in packet IP headers while they are in transit through a traffic routing device.
The NAT (network address translation) is originally established to limit the number of public IP addresses used by major corporate businesses or companies, hence preserving both IP address conservation and protection.
There are several devices within the community that need to be protected from the outside world, thus the NAT permits private IP addresses to connect to the outside world.
As an example, designating a public handle to a set of HOST/gadgets inside an inside community/corporation.
Remember that a host or device in an inner network with a private IP address, say (192.168.1.11), wishes to interact with an internet server on the internet ( outside world ). Now, NAT will convert this non-public IP address into a public IP address (for example, 1.12.1.1) that is known to everyone.
So, the web server recognizes this precise public IP and returns its outcome to this deal with (1.12.1.1), after which it routes to the vacation spot, where the NAT converts it once more to the private IP deal with and sends the outcomes to the desired device in the non-public network.
As for a corporation's local network, there are numerous non-public IP with one public IP denoting all of them), so the result now, obtained via one of the devices in that network
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A pinion and gear pair is used to transmit a power of 5000 W. The teeth numbers of pinion
and gear are 20 and 50. The module is 5 mm, the pressure angle is 20o
and the face width is 45 mm. The
rotational speed of pinion is 300 rev/min. Both the pinion and the gear material are Nitralloy 135 Grade2 with a hardness of 277 Brinell. The quality standard number Qv is 5 and installation is open gearing
quality. Find the AGMA bending and contact stresses and the corresponding factors of safety for a
pinion life of 109
cycles and a reliability of 0.98
Answers
Answer:
mark me as a brainleast
Explanation:
209781
Design a driver circuit that should drive a a seven segment to display octal numbers
[0 up to 7]. Your work should include the following steps
1) An appropriate title
2) The truth Table
3) Simplified expressions for the appropriate circuit
4) Logical circuit for the driver.
![Design a driver circuit that should drive a a seven segment to display octal numbers[0 up to 7]. Your](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/NYdVE8g5vDqIvxxsxf5vKx89Mdl8vgiH.jpeg)
Answers
Answer:
point hehe sorry sorry
Explanation:
I don't know
when installing fiber-optic cable in conduit, a pull box should be installed in any area where the conduit makes several bends totaling more than?
Answers
If the conduit makes many bends totalling more than 180 degrees, a pull box needs to be erected before fiber-optic cable may be put in the conduit.
Where can conduit be found?Electrical wire is run via conduit, which is available in a variety of designs, in exposed areas of your home and its surroundings. It could be a garage, cellar, barn, laundry room, or open space.
What in leadership is a conduit?Conduit management also involves your everyday leadership style in a matrix. Effective conduit management may help you build your leadership toolkit in a variety of ways, however it naturally takes center stage during times of change: It fosters the growth of decision-making and critical thinking abilities.
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openings around pipes that enter building should be covered by
Answers
Answer: I have 2 suggestions: one, maybe, maybe, use some of that metal tape that you get at hardware places, and: two, buy a new pipe (or pipes), two be sure that it won't happen again. Have a good day, and thanks for asking the brain!
Explanation:
1. Lift swing arm restraints are to be used only by non-experienced
employees, because they will prevent the vehicle from falling.
O
True
False
Answers
Give the chemical reactions zinc oxide (ZnO) reduction in a retort furnace by carbon and carbon monoxide. b) what is the range of temperature for zinc oxide reduction in a retort furnace? c) what is the main reaction and why? For the toolbar, press ALT+F10 (PO) ALT
Answers
Zinc oxide (ZnO) can be reduced to zinc metal through various techniques. In this context, the reduction process of Zinc oxide (ZnO) by using a retort furnace through carbon and carbon monoxide is to be discussed.The chemical reactions for Zinc oxide (ZnO) reduction in a retort furnace by carbon and carbon monoxide.
The first reaction that occurs during the reduction of Zinc oxide (ZnO) is the formation of Zinc (g) and Carbon monoxide (CO) from Zinc oxide (ZnO) and Carbon (C) respectively.
The main reaction for the reduction of Zinc oxide (ZnO) in a retort furnace by carbon and carbon monoxide is:ZnO (s) + C (s) → Zn (g) + CO2 (g)The above reaction is the overall reaction for the Zinc oxide (ZnO) reduction.
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-6. When we say the flip-flop is in the set condi-
_____ is at a
tion, we mean output
logical
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Answers
The term “Flip-flop” relates to the actual operation of the device, as it can be “flipped” into one logical Set state or “flopped” back into the opposing logical set.
A flip-flop is a device which stores a single bit (binary digit) of data; one of its two states represents a "one" and the other represents a "zero". Such data storage can be used for storage of state, and such a circuit is described as sequential logic in electronics.
STATIC RAM (SRAM) consists of flip-flops, a circuit composed of four to six transistors. Once a flip-flop stores a bit, it keeps that value until the opposite value is stored in it.
Hence, logical set is used.
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