The anti-collision lights on an aircraft will typically be on whenever the aircraft is in operation, such as during taxiing, takeoff, flight, and landing. These lights are crucial for improving visibility and preventing collisions with other aircraft.
The anti-collision lights will be on when the aircraft's electrical power is turned on and the content is loaded. The one scene when they won't be on is during daylight hours when visibility is good and the pilot determines that it is not necessary to have them on. The one scenario when anti-collision lights might not be on is when the aircraft is parked and its engines are shut down. In this case, the anti-collision lights are turned off to avoid any confusion with other moving aircraft in the vicinity. Any machine that can fly is an aircraft. An aircraft can be anything from a hot air balloon to a helicopter to a flying platform! An airplane is a particular kind of heavier-than-air aircraft with fixed wings that is capable of sustained, powered, and controlled flight. It also refers to a particular brand and basic model of aircraft, including modifications that do not affect the aircraft's handling or flight characteristics.
Learn more about aircraft
https://brainly.com/question/28192881
#SPJ11
Whenever an aircraft is in use, such as during taxiing, takeoff, flight, and landing, the anti-collision lights are normally on. The visibility they provide is essential for enhancing safety and avoiding collisions with other aircraft.
When the aircraft's electrical power is turned on and the content is loaded, the anti-collision lights will turn on.When visibility is good during the day and the pilot decides it is not necessary to have them on, they won't be on in all scenes.When the aeroplane is parked and its engines are off, that is the only situation in which anti-collision lights might not be activated. To minimise any confusion with other moving aircraft in the area, the anti-collision lights are switched off in this situation.
Learn more about aircraft visit;
brainly.com/question/28192881
#SPJ11
When multiple GPOs are linked to a container, which GPO in the list has the highest priority? the last OR the first OR the most permissive OR the most restrictive
The GPO with the highest priority in a list linked to a container is the one that was last applied.
This means that the last GPO linked to the container will take precedence over any other GPOs that have been linked to it before.This order of priority is determined by the way in which Active Directory processes Group Policy settings. When a user or computer logs on to the network, the Active Directory client uses the site, domain, and organizational unit (OU) to build a list of GPOs to apply to the user or computer.
The list is built in order of precedence, starting with the GPO at the lowest level of the Active Directory hierarchy and moving up. If multiple GPOs are linked to a container, the most recently linked GPO will be processed last, taking priority over any previous GPOs. This ensures that any settings configured in the most recent GPO will overwrite the settings in previous GPOs.
To learn more about gpo click brainly.com/question/31066652
#SPJ11
Advantage of reconnaissance survay
Answer:
fgfr
cg
Explanation:
xhrrhfdfghtrfgg
Please help me answer this engineering question
Use a function in the appropriate cell to determine the best manufacturing candidate based on minimum cost. Specify an exact match in your function since the values are not sorted. Use a similar formula in the appropriate cell to find the best shipping candidate based on minimum cost.
This function will return the minimum value in the range of cells A2:A6.
What is Function?Function is a self-contained block of code that is used to perform a particular task in a computer program. It is a set of instructions that can be called upon to perform a specific action. Functions are often used to break up a program into smaller, more manageable pieces that can be reused or combined with other functions to create more complex programs. Functions can also be used to simplify and shorten the length of a program, which makes it easier to read and debug. A function typically takes an input, performs a calculation or some type of action with that input, and then returns the result.
For finding the best manufacturing candidate based on minimum cost, we can use the MIN function. The MIN function returns the smallest numeric value in a set of values.
Syntax: =MIN(number1, [number2], ...)
Example: =MIN(A2:A6)
This function will return the minimum value in the range of cells A2:A6.
For finding the best shipping candidate based on minimum cost, we can use the MIN function in the same way. The syntax and example would be the same as above.
To learn more about Function
https://brainly.com/question/28321052
#SPJ1
Which of the following conditions evaluates to True when the intDays variable contains the number 5?
a. If intDays = 5 Then
b. If intDays <> 0 Then
c. If intDays > 1 Then
d. all of the above
The statement that evaluates to True when the `intDays` variable contains the number 5 is `If intDays = 5 Then`.In the given question, we are asked to determine the statement that evaluates to True when
the `int Days` variable contains the number 5.The different statements given are:a. If intDays = 5 Thenb. If intDays <> 0 Thence. If int Days > 1 Thind. all of the aboveOut of these, the only statement that evaluates to True when the `intDays` variable contains the number 5 is `If intDays = 5 Then`.Therefore, the answer to the given question is option a. If intDays = 5 Then.The other options are as follows:b. If intDays <> 0 Then evaluates to True for all values of `intDays`, except 0.c. If intDays > 1 Then evaluates to True for all values of `intDays` greater than 1.d. All of the above does not evaluate to True when `intDays` contains the number 5.
To know more about evaluates visit:
brainly.com/question/12837686
#SPJ11
A pair of helical gears are machined with a hob. The hob has a 20 degree pressure angle and machines circular pitch of 0.55 inch/tooth on a spur gear. Two gears are machined, the pinion has 18 teeth and the gear has 36 teeth. The measured transverse diametral pitch on the pinion is 5 inch/tooth. The pinion transmits 10 hp at 1,390 rpm. Calculate the pinion tangent force in Ibf.
A pair of helical gears are machined with a hob. The hob has a 20 degree pressure angle and machines circular pitch of 0.55 inch/tooth on a spur gear.
Calculate the pinion tangent force in Ibf.
Pressure angle, φ = 20°
Circular pitch, P = 0.55 inch/tooth
Number of teeth on pinion, N₁ = 18
Number of teeth on gear, N₂ = 36
Transverse diametral pitch on pinion, Ptd = 5 inch/tooth
Power transmitted by pinion, P = 10 hp
Speed of pinion, n₁ = 1,390 rpm
Formula used:
Diameter of gear = N × P
Diametral pitch = N / Pitch Diameter
Transverse Diametral Pitch = Diametral Pitch / cos(φ)
Tangential force = 63025 × (Power / (n₁ × Pitch Diameter))
Solution:
Pitch diameter of the pinion = N₁ × P = 18 × 0.55 = 9.9 inch
Pitch diameter of the gear = N₂ × P = 36 × 0.55 = 19.8 inch
Diametral pitch of pinion = N₁ / Pitch Diameter = 18 / 9.9 = 1.82 inch
Diametral pitch of gear = N₂ / Pitch Diameter = 36 / 19.8 = 1.82 inch
Transverse diametral pitch of pinion = Ptd / cos(φ) = 5 / cos(20°) = 5.25 inch
Transverse diametral pitch of gear = Ptd / cos(φ) = 5 / cos(20°) = 5.25 inch
Tangential force = 63025 × (Power / (n₁ × Pitch Diameter))
= 63025 × (10 / (1390 × 9.9))
= 33.5 lb
Therefore, the pinion tangent force is 33.5 lb (approximately).
Explore more on gears: https://brainly.com/question/860313
#SPJ11
The enforcement of OSHA standards is provided by federal and state
O master electricians
O lawmakers
O tax collectors
O safety inspectors
Answer:
Explanation:
Enforcing OSHA, Occupational Safety and Health Administration, standards is not a job for electricians, lawmakers or tax collectors. The right answer is safety inspectors.
an alloy steel metric 10x1.25 screw is used in a threaded hole and tightened to 30% of its proof strength of 840 mpa. determine the maximum torque that should be used if the torque coefficient
The maximum torque that should be used is 30.84Nm.
How to calculate maximum torque?d = diameter of the screw = 10mm
p = pitch of the screw = 1.25mm
\(\sigma_p\) = proof strength = 840MPa
\(c_t\) = torque coefficient = 0.2
Before we can calculate maximum torque with must know the preload but to calculate preload we need stress on the screw and shear area. All formula and calculation below,
Stress on the screw is,
σ = (tight)(\(\sigma_p\))
= (30%)(840)
= 252
Shear area is,
A = \(\frac{\pi}{4}(d-0.9382p)^2\)
= \(\frac{\pi}{4}(10-0.9382(1.25))^2\)
= 61.198
Preload is,
F = σA
= (252)(61.198)
= 15,421.896
Maximum torque is,
T = \(c_t\)Fd
=(0.2)(15,421.896)(10)
= 30,843.79 Nmm
= 30.84 Nm
You question is incomplete, but most probably your full question was
An alloy steel metric 10x1.25 screw is used in a threaded hole and tightened to 30% of its proof strength of 840 MPa. determine the maximum torque that should be used if the torque coefficient 0.2?
Learn more about torque here:
brainly.com/question/28849977
#SPJ4
If the voltage increases in a circuit, what happens to the current (amperes) if the resistance stays
the same?
A) Decreases
C) Increases
B) Remains the same
D) Cannot be determined
Answer:
b remains the same
Explanation:
voltage and amps have no connection
the electricity used to rin your clothes dryer is normally 220V 18-24A
the voltage in your car's battery is usually 12V 20-30A
see they are approximately the same amperage but very different voltage
The one end of a hollow square bar whose side is (10.01) in with (1.01) in thickness is under a tensile stress 102,500 psi and the other end is connected with a U bracket using a double-pin system. Find the minimum diameter of pin is used according to shear strength. Take the factor of safety as 1.5 and σ_all=243 ksi for pin material.
Answer:
The one end of a hollow square bar whose side is (10+N/100) in with (1+N/100) in thickness is under a tensile stress 102,500 psi and the other end is connected with a U bracket using a double-pin system. Find the minimum diameter of pin is used according to shear strength. Take the factor of safety as 1.5 and σ_all=243 ksi for pin material.
Explanation:
Steam at 5 MPa and 400 C enters a nozzle steadily with a velocity of 80 m/s, and it leavesat 2 MPa and 300 C. The inlet area of the nozzle is 50 cm2, and heat is being lost at a rateof 120 kJ/s. Determine the following:
a) the mass flow rateof the steam.
b) the exit velocity of the steam.
c) the exitarea of the nozzle.
Answer:
a) the mass flow rate of the steam is \(\mathbf{m_1 =6.92 \ kg/s}\)
b) the exit velocity of the steam is \(\mathbf{V_2 = 562.7 \ m/s}\)
c) the exit area of the nozzle is \(A_2\) = 0.0015435 m²
Explanation:
Given that:
A steam with 5 MPa and 400° C enters a nozzle steadily
So;
Inlet:
\(P_1 =\) 5 MPa
\(T_1\) = 400° C
Velocity V = 80 m/s
Exit:
\(P_2 =\) 2 MPa
\(T_2\) = 300° C
From the properties of steam tables at \(P_1 =\) 5 MPa and \(T_1\) = 400° C we obtain the following properties for enthalpy h and the speed v
\(h_1 = 3196.7 \ kJ/kg \\ \\ v_1 = 0.057838 \ m^3/kg\)
From the properties of steam tables at \(P_2 =\) 2 MPa and \(T_1\) = 300° C we obtain the following properties for enthalpy h and the speed v
\(h_2 = 3024.2 \ kJ/kg \\ \\ v_2= 0.12551 \ m^3/kg\)
Inlet Area of the nozzle = 50 cm²
Heat lost Q = 120 kJ/s
We are to determine the following:
a) the mass flow rate of the steam.
From the system in a steady flow state;
\(m_1=m_2=m_3\)
Thus
\(m_1 =\dfrac{V_1 \times A_1}{v_1}\)
\(m_1 =\dfrac{80 \ m/s \times 50 \times 10 ^{-4} \ m^2}{0.057838 \ m^3/kg}\)
\(m_1 =\dfrac{0.4 }{0.057838 }\)
\(\mathbf{m_1 =6.92 \ kg/s}\)
b) the exit velocity of the steam.
Using Energy Balance equation:
\(\Delta E _{system} = E_{in}-E_{out}\)
In a steady flow process;
\(\Delta E _{system} = 0\)
\(E_{in} = E_{out}\)
\(m(h_1 + \dfrac{V_1^2}{2})\) \(= Q_{out} + m (h_2 + \dfrac{V_2^2}{2})\)
\(- Q_{out} = m (h_2 - h_1 + \dfrac{V_2^2-V^2_1}{2})\)
\(- 120 kJ/s = 6.92 \ kg/s (3024.2 -3196.7 + \dfrac{V_2^2- 80 m/s^2}{2}) \times (\dfrac{1 \ kJ/kg}{1000 \ m^2/s^2})\)
\(- 120 kJ/s = 6.92 \ kg/s (-172.5 + \dfrac{V_2^2- 80 m/s^2}{2}) \times (\dfrac{1 \ kJ/kg}{1000 \ m^2/s^2})\)
\(- 120 kJ/s = (-1193.7 \ kg/s + 6.92\ kg/s ( \dfrac{V_2^2- 80 m/s^2}{2}) \times (\dfrac{1 \ kJ/kg}{1000 \ m^2/s^2})\)
\(V_2^2 = 316631.29 \ m/s\)
\(V_2 = \sqrt{316631.29 \ m/s\)
\(\mathbf{V_2 = 562.7 \ m/s}\)
c) the exit area of the nozzle.
The exit of the nozzle can be determined by using the expression:
\(m = \dfrac{V_2A_2}{v_2}\)
making \(A_2\) the subject of the formula ; we have:
\(A_2 = \dfrac{ m \times v_2}{V_2}\)
\(A_2 = \dfrac{ 6.92 \times 0.12551}{562.7}\)
\(A_2\) = 0.0015435 m²
Enabler Epics are used to advance what in order to support upcoming Business Epics? • The Architectural Runway
• Compliance
• Value Stream(s)
• The Program Backlog
a. The Architectural Runway. An Enabler Epic is a type of Epic in Agile software development that is used to advance the "architectural runway" in order to support upcoming Business Epics.
What is an architectural runway?
The architectural runway refers to the technical infrastructure and systems that must be in place in order for a product or service to be developed and deployed successfully.
Enabler Epics focus on addressing technical debt, improving scalability and performance, and implementing new technologies or architectural patterns that will enable the team to deliver on the Business Epics that are planned for the future.
They are typically less visible and less customer-facing than Business Epics, but are no less important for the success of the project.
To learn more about Enabler Epic, visit: https://brainly.com/question/29904713
#SPJ4
Assuming the transition to turbulence for flow over a flat plate happens at a Reynolds number of 5x105, determine the following for air at 300 K and engine oil at 380 K. Assume the free stream velocity is 3 m/s. a. The distance from the leading edge at which the transition will occur b. Expressions for the momentum and thermal boundary layer thicknesses as a function of x for a laminar boundary layer c. Which fluid has the higher heat transfer
Given:
Assuming the transition to turbulence for flow over a flat plate happens at a Reynolds number of 5x105, determine the following for air at 300 K and engine oil at 380 K. Assume the free stream velocity is 3 m/s.
To Find:
a. The distance from the leading edge at which the transition will occur.
b. Expressions for the momentum and thermal boundary layer thicknesses as a function of x for a laminar boundary layer
c. Which fluid has a higher heat transfer
Calculation:
The transition from the lamina to turbulent begins when the critical Reynolds
number reaches \(5\times 10^5\)
\((a). \;\text{Rex}_{cr}=5 \times 10^5\\\\\frac{\rho\;vx}{\mu}=5 \times 10^5\\\text{density of of air at}\;300K=1.16 \frac{kg}{m\cdot s}\\\text{viscosity of of air at}\;300K=1.846 \times 10^{-5} \frac{kg}{m\cdot s} \\v=3m/s\\\Rightarrow x=\frac{5\times 10^5 \times 1.846 \times 10^{-5} }{1.16 \times 3} =2.652 \;m \;\text{for air}\\(\text{similarly for engine oil at 380 K for given}\; \rho \;\text{and} \;\mu)\\\)
\((b).\; \text{For the lamina boundary layer momentum boundary layer thickness is given by}:\\\frac{\delta}{x} =\frac{5}{\sqrt{R_e}}\;\;\;\;\quad\text{for}\; R_e <5 \times 10^5\\\\\text{for thermal boundary layer}\\\delta _t=\frac{\delta}{{P_r}^{\frac{1}{3}}}\quad\quad \text{where} \;P_r=\frac{C_p\mu}{K}\\\Rightarrow \delta_t=\frac{5x}{\sqrt{R_e}{P_r}^{\frac{1}{3}}}\)\((c). \frac{\delta}{\delta_t}={P_r}^{\frac{r}{3}}\\\text{For air} \;P_r \;\text{equivalent 1 hence both momentum and heat dissipate with the same rate for oil}\; \\P_r >>1 \text{heat diffuse very slowly}\\\text{So heat transfer rate will be high for air.}\\\text{Convective heat transfer coefficient will be high for engine oil.}\)
a unit is considered in tune when you have to use less than what percentage of the maximum output in the treatment?
Less than 80% of the maximum output is usually considered in tune.
What is Tune?
Tune is a platform that helps digital marketers, app marketers, and mobile growth professionals optimize their user acquisition and engagement efforts. Tune is designed to make it easier to measure, analyze, and optimize campaigns across a variety of mobile marketing channels, including search, social, and display ads. Tune offers powerful tools to track and analyze user engagement and performance, enabling marketers to make data-driven decisions to improve their campaigns. With Tune, marketers can quickly identify and act on user behavior, optimize campaigns for better performance, and maximize return on investment.
To know more about Tunes
https://brainly.com/question/9445785
#SPJ4
What term describes a catalytic converter as it reaches its effective temperature?
technician a cleans brake components in denatured alcohol. technician b cleans brake components in clean brake fluid. who is correct?
Both technicians may be correct depending on the situation and the type of brake components being cleaned with either denatured alcohol or brake fluid.
Denatured alcohol is a common solvent used to clean brake components as it effectively removes brake dust, dirt, and grime. It is also less harmful to the environment and safer to use than other harsh solvents. However, it may not be effective in removing certain types of brake fluid or oil-based contaminants.
On the other hand, clean brake fluid can also be used to clean brake components as it is specifically designed to lubricate and protect brake parts. It may be more effective in removing brake fluid or oil-based contaminants, but it can be more expensive and may not be as readily available as denatured alcohol.
Ultimately, the choice of solvent for cleaning brake components depends on the specific situation and the type of contaminants that need to be removed. A knowledgeable technician will be able to determine the best solvent to use based on their experience and expertise.
Learn more about brake fluid here:
brainly.com/question/2989238
#SPJ11
Technician A is correct when cleaning brake components in denatured alcohol.
Using denatured alcohol is an appropriate method for cleaning brake components, as it effectively removes dirt, grease, and contaminants without damaging the components.
On the other hand, Technician B is not correct, as cleaning brake components in clean brake fluid is not recommended because it may not effectively remove all contaminants and can cause issues with the braking system.
Learn more about brake components: https://brainly.com/question/15502604
#SPJ11
I have an AC waveform with the voltage peak value of 100 V. I'm trying to find the RMS value of the voltage
Answer:
98 x 100=9,00
Explanation:
Determine the voltages at all nodes and the currents through all branches. Assume that the transistor B is 100,
VEB=0.7V and VA=0.
Answer:
The voltages of all nodes are, IE = 4.65 mA, IB =46.039μA, IC=4.6039 mA, VB = 10v, VE =10.7, Vc =4.6039 v
Explanation:
Solution
Given that:
V+ = 20v
Re = 2kΩ
Rc = 1kΩ
Now we will amke use of the method KVL in the loop.
= - Ve + IE . Re + VEB + VB = 0
Thus
IE = V+ -VEB -VB/Re
Which gives us the following:
IE = 20-0.7 - 10/2k
= 9.3/2k
so, IE = 4.65 mA
IB = IE/β +1 = 4.65 m /101
Thus,
IB = 0.046039 mA
IB = 46.039μA
IC =βIB
Now,
IC = 100 * 0.046039
IC is 4.6039 mA
Now,
VB = 10v
VE = VB + VEB
= 10 +0.7 = 10.7 v
So,
Vc =Ic . Rc = 4.6039 * 1k
=4.6039 v
Finally, this is the table summary from calculations carried out.
Summary Table
Parameters IE IC IB VE VB Vc
Unit mA mA μA V V V
Value 4.65 4.6039 46.039 10.7 10 4.6039
EXERCISE 53-8 \diamond MLA documentation To read about MLA documentation, see 53 and 54 in The Bedford Handbook, Eighth Edition. Write "true" if the statement is true or "false" if it is false.
The given exercise statement is true. MLA stands for Modern Language Association, and the Modern Language Association is responsible for developing the MLA writing style guidelines.
This particular style is used primarily in the humanities field. MLA documentation style is used to provide proper citations to the works and ideas of others.
MLA documentation is used in research papers and essays to indicate the source of a quoted or paraphrased text. MLA documentation provides accurate information about the author, the title, the date of publication, and the publisher.
The rules of MLA documentation are contained in the MLA Handbook for Writers of Research Papers and The Bedford Handbook.
The Bedford Handbook is the preferred handbook for many instructors who use the MLA documentation style.
The given exercise statement is true.
To know more about Association visit :
https://brainly.com/question/29195330
#SPJ11
Stephen works with a group of engineers and is responsible for pricing out parts listed on the drawings for a new product. He is anxious to get the drawings so he can start his work. Conflict may arise due to __________.
organizational structure
limited resources
task interdependence
personality differences
The conflict may arise due to task interdependence.
The conflict may arise due to task interdependence.Stephen works with a group of engineers and is responsible for pricing out parts listed on the drawings for a new product. He is anxious to get the drawings so he can start his work. Conflict may arise due to Task Interdependence.Task interdependence refers to the way that different tasks or work units in an organization rely on one another. In organizations, some work units or teams depend on one another in order to complete their own work tasks. When work units depend on one another for the completion of their work, task interdependence exists.As per the given scenario, Stephen is working with a group of engineers and is responsible for pricing out parts listed on the drawings for a new product. Here, he needs to be completely dependent on the other engineers to get the drawings so he can start his work. If there is any delay or the other engineers do not deliver their part on time, then conflict can arise.
Learn more about interdependence here :-
https://brainly.com/question/31720202
#SPJ11
The UHRS platform is optimized for Edge/Internet Explorer only. You can still use your favorite browser, but keep in mind that you may experience technical issues when working on UHRS with a different browser than Edge or Internet Explorer.
UHRS is optimized for...
It is to be noted that all UHRS platforms are optimized for the popular kinds of internet browser applications.
What is a UHRS?The Universal Human Relevance System (UHRS) is a crowdsourcing platform that allows for data labeling for a variety of AI application situations.
Vendor partners link people referred to as "judges" to offer data labeling at scale for us. All UHRS judges are bound by an NDA, ensuring that data is kept protected.
A browser is a software tool that allows you to see and interact with all of the knowledgeon the World Wide Web. Web sites, movies, and photos are all examples of this.
Learn more about internet browser applications.:
https://brainly.com/question/16829947
#SPJ1
When framing a wall, temporary bracing is
used to support, plumb, and straighten the wall.
used to support, level, and straighten the wall.
used to square the wall before it is erected.
removed before the next level is constructed.
What needs to be done before joining a fitting and pipe using socket fusion?
Before joining a fitting and pipe using socket fusion, it is important to ensure that both the fitting and pipe are clean and free from any debris or contaminants. Additionally, the correct size fitting and pipe must be used to ensure a proper fit.
Socket fusion is a method of joining plastic pipes and fittings together by heating the material and then pressing the heated ends together to form a strong bond. Before the socket fusion process begins, it is important to prepare both the fitting and pipe by ensuring they are clean and free from any debris or contaminants.
This can be achieved by using a specialized cleaning tool or wiping the surfaces with a clean cloth. Additionally, it is crucial to use the correct size fitting and pipe to ensure a proper fit and prevent any leaks or issues in the future. Proper preparation of the materials is crucial to ensuring a successful socket fusion joint.
For more questions like Socket click the link below:
https://brainly.com/question/29658250
#SPJ11
1. what helped inspire ms. shotwell to become an engineer?
i
2. what is the purpose of the launch escape system for dragon? how does it work?
3. what is one specific reason spacex is successful according to ms. shotwell?
4. what is one example of how physics was used to drive spacex design?
5. why is the satellite internet project difficult for spacex?
6. what is space debris? what is spacex doing to help decrease the amount of debris?
7. what is one way the big falcon rocket (bfr) can be used to make a difference in the world?
8. what are two ways spacex plans to change personal travel?
9. what is your personal opinion of the future goals of spacex? do you believe they will be achieved?
why or why not?
10. would you be willing to travel with spacex in the future? why or why not?
|
The action that inspire Ms. Shotwell is that Her mom took her to a trip to look at the Society of Women Engineers event, and she was said to have quickly fall in love with a mechanical engineer who was a speaker in the event.
What is the purpose of the launch escape system for dragon?The LES is mad up to separate the spacecraft from the Falcon 9 rocket and move the crew away to safety in case any event of any emergency.
SpaceX was said to be successful because:
It consist of two NASA astronauts.It is made up of The Crew Dragon's launch escape system (LES).It is made up of a set of eight SuperDraco engines.Note therefore, that the action that inspire Ms. Shotwell is that Her mom took her to a trip to look at the Society of Women Engineers event, and she was said to have quickly fall in love with a mechanical engineer who was a speaker in the event.
Learn more about Engineers from
https://brainly.com/question/17169621
#SPJ4
A milling circuit consists of a primary SAG mill that is in open circuit. This is then followed by 2 secondary ball mills in parallel. The product from the SAG mill is fed to the ball mills, with the product from the ball mills being combined and classified in cyclones. The underflow from the cyclones is recycled, with the overflow forming the feed to the flotation circuit.
a) Draw the circuit, labelling items.
The milling circuit has a feed rate of 1 500 t/hr. Consider 2 size classes, above and below 75 microns. The feed has 25% passing 75 microns and each of the mills breaks 50% of the material in the feed above 75 microns to below 75 microns. The partition number for the particles above 75 microns is 0.75, while that below 75 microns is 0.25.
b) Carry out a mass balance to calculate the mass rate of both size fraction in each stream. What is the feed rate to each of the ball mills? What is the percentage passing 75 microns in the circuit product/flotation feed? This milling circuit’s feed has 80% passing 1 cm and the final feed to the flotation circuit has 80% passing 60 microns.
The correct answer is a) Here is a diagram of the milling circuit with labels: The product from the SAG mill is fed to the two ball mills in parallel, with the product from the ball mills being combined and classified in cyclones. The underflow from the cyclones is recycled, and the overflow goes to the flotation circuit.
To calculate the mass rate of each size fraction in each stream, we can start with the total feed rate of 1,500 t/hr. Since 25% of the feed is below 75 microns, that means 75% of the feed is above 75 microns. Of that 75%, 50% will be broken down in the SAG mill to below 75 microns, while the remaining 50% will be broken down in the two ball mills in parallel. Therefore: Mass rate of particles above 75 microns in feed = 1,500 x 0.75 = 1,125 t/hr Mass rate of particles below 75 microns in feed = 1,500 x 0.25 = 375 t/hr Mass rate of particles above 75 microns in SAG mill product = 1,125 x 0.5 = 562.5 t/hr Mass rate of particles below 75 microns in SAG mill product = 1,125 x 0.5 + 375 = 937.5 t/hr Mass rate of particles above 75 microns in each ball mill product = 562.5 / 2 = 281.25 t/hr Mass rate of particles below 75 microns in each ball mill product = 375 / 2 = 187.5 t/hr Mass rate of particles above 75 microns in combined ball mill product = 562.5 t/hr Mass rate of particles below 75 microns in combined ball mill product = 375 t/hr + 187.5 t/hr = 562.5 t/hr Mass rate of particles above 75 microns in cyclone overflow = 562.5 t/hr x 0.95 = 534.38 t/hr (assuming a 5% bypass) Mass rate of particles below 75 microns in cyclone overflow = 562.5 t/hr x 0.05 + 375 t/hr x 0.95 = 393.75 t/hr (assuming a 5% bypass) Mass rate of particles above 75 microns in cyclone underflow/recycle = 562.5 t/hr x 0.05 = 28.13 t/hr Mass rate of particles below 75 microns in cyclone underflow/recycle = 375 t/hr x 0.05 + 187.5 t/hr = 205.63 t/hr To calculate the feed rate to each ball mill, we can use the mass rate of particles below 75 microns in the combined ball mill product, which is 562.5 t/hr. Since there are two ball mills in parallel, the feed rate to each ball mill will be: Feed rate to each ball mill = 562.5 t/hr / 2 = 281.25 t/hr Finally, to calculate the percentage passing 75 microns in the circuit product.
To learn more about SAG mill click on the link below:
brainly.com/question/22282127
#SPJ1
what are the SURVEYING INSTRUMENTS
Answer:
the main surveying instruments is use around the world are the theodolite, measuring tape, total station, 3D scanners ,GPS/GNSS, level and rod.Most instruments screw into a tripod when in use.Please show NEC article 310.10(H)
Conductors in Parallel is covered in 310.10(H). Often when working with higher ampacities, we find it to be cumbersome and expensive to keep increasing the size of the wire and conduit. The solution is often to use multiple runs that are connected to a common location on each end. Notice in the 2011 edition of the code that much of this section is highlighted gray, indicating new or revised text. The change here was that the previous code stated that you were permitted to parallel conductors 1/0 AWG and larger; however, it didn’t specifically prohibit you from paralleling smaller conductors, which was the intent and the way it was enforced in all my years of enforcement. However, that’s not what the actual language said, and ambiguous language cancause enforcement issues; therefore, in the 2011 code it was made clear that you are only allowed to parallel conductors 1/0 AWG and larger.
How do I type my questions?
Answer:
just type it on a computer or a laptop
Which option identifies the most likely outcome in the following scenario?
Engine, Inc. conducted a life cycle assessment (LCA) on its standard automobile engine. The LCA determined
that too much heat was lost through the engine, requiring large amounts of fuel to be consumed.
The company will conduct an impact analysis.
The company will develop a biodiesel engine.
O The company will increase the scope of the study.
O The company will redesign the engine to lose less heat.
Whith regard to the life cycle assessment (LCA), the option that identifies the most likely outcome in the following scenario is: "the company will redesign the engine to lose less heat.
Why is this so?In this case, the most likely conclusion is that the manufacturer will alter the engine to waste less heat. This is because the life cycle assessment discovered that too much heat was lost via the engine, necessitating the consumption of huge amounts of gasoline.
Redesigning the engine to lose less heat might address this issue while also potentially resulting in more efficient fuel usage.
Conducting an impact analysis or broadening the scope of the study would not directly address the issue of engine heat loss, and developing a biodiesel engine would be a different approach to addressing the issue of fuel consumption rather than heat loss.
Learn more about life cycle assessment at:
https://brainly.com/question/31573010
#SPJ1
Why is it nearly impossible to obtain satisfactory performance from a shunt motor connected to an ac power source
Answer:
Because the shunt winding consist of a large number of turns,
Explanation:
It is nearly impossible to obtain satisfactory performance from a shunt motor connected to an ac power source because the shunt winding consist of a large number of turns, due to the high number of turns that the DC shunt motor has it develops a high impedance when connected to an ac power source. and due to this high impedance the amount of current that flows through the field will be very low making it nearly impossible for the shunt motor to operate properly