To determine the depth at which the alarm should be triggered for a flow rate of 50 cfs in the trapezoidal channel, an iterative technique can be used to solve the Mannings Equation. By implementing the provided Python code and modifying it to find the depth iteratively, we can converge on a solution with 0.01 foot accuracy.
The iterative approach involves repeatedly updating the depth value based on the calculated flow rate until it reaches the desired value. Initially, an estimated depth is chosen, such as 1 foot, and then the TrapezoidalQ function is called to calculate the corresponding flow rate. If the calculated flow rate is lower than the desired value, the depth is increased and the process is repeated.
Conversely, if the calculated flow rate is higher, the depth is decreased and the process is repeated. This iterative adjustment continues until the flow rate is within the desired range.
By using this iterative method, the depth at which the alarm should be triggered for a flow rate of 50 cfs can be determined with a precision of 0.01 foot. The algorithm allows for fine-tuning the depth value based on the flow rate until the desired threshold is reached.
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If i can read the signs on the right it could mean i’m either on a on way or a two way street
DRIVING
TRUE OR FALSE
Yes, it is true that if you can read the signs on the right it could mean you are either on a one-way or a two-way street while driving.
The signs on the right side of the road can help you determine the type of street you are on while driving. A one-way street will typically have signs indicating the direction of traffic flow and may also have markings on the road. On the other hand, a two-way street will have signs indicating both directions of traffic flow. It is important to pay attention to these signs to avoid going the wrong way on a one-way street or accidentally crossing into oncoming traffic on a two-way street.
Always be aware of the signs on the right side of the road while driving to determine whether you are on a one-way or two-way street. This can help prevent accidents and ensure a safe and smooth driving experience.
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Which of the following is an example of a passive fall protection system
Answer:
Guardrail
netting and
safety gates
The one that is an example of passive fall protection system are Safety Nets, and Guardrails. The correct options are A and C.
What is passive fall protection system?Any safety precautions that are essentially stationary, fixed, or unchanging are included in a passive fall protection system.
After installation, the system is completely automated, and no personal safety equipment is required.
Passive systems are buildings that make the best use of solar heat or light by their siting, design, or construction materials.
Active systems feature components that transform solar energy into a more useful form, such electricity or hot water.
Guardrails and Safety Nets are two examples of passive fall protection systems.
Thus, it can be concluded that the correct options are A and C.
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Your question seems incomplete, the probable complete question is:
Which of the following is an example of a passive fall protection system
A. Safety Nets
B. Personal Fall Arrest Systems
C. Guardrails
D. Travel Restraint Systems
2. a wheel tractor-scraper is operating on a level grade. assume no power derating is required for equipment condition, altitude, and temperature. use equipment data from figure 6.10. a) disregarding traction limitations, what is the maximum value of rolling resistance (in lb/ton) over which the fully loaded unit can maintain a speed of 15 mph? b) what minimum value of coefficient of traction between the tractor wheels and the traveling surface is needed to satisfy the requirements of part a? for the fully loaded condition, 52% of the weight is distributed to the drive axle. the operating weight of the empty scraper is 74,946 lb.
We can see here that the maximum value of rolling resistance over which a loaded scraper can maintain is: 780 lb/ton
What is a maximum rolling resistance?Rolling resistance is the force that resists the motion of a rolling object on a surface. Maximum rolling resistance refers to the highest level of resistance that an object can encounter while rolling on a particular surface.
For a fully loaded condition:
15mph speed, 52% resistanceGrade resistance = 0%The total resistance = (gross + rolling) resistance
52% = 0% - rolling resistance
rolling resistance = 52%
The maximum rolling resistance = rolling resistance percentage × speed
The maximum rolling resistance = 52% (15 lb/ton)/(1% resistance)
The maximum rolling resistance = 780 lb/ton
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An iron-constantan thermocouple is to be used to measure temperatures between 0and 400 degree C. What will be the non-linearity error as a percentage of the full-scale reading at 100 degree C If a linear relationship is assumed between e.m.f and temperature? E.M.F at 100 degree C= 5.268 m V; e.m.f at 400 degree C= 21.846 m V
The non-linearity error as a percentage of the full-scale reading at 100 degree C is - 0.89%.
What is non-linearity error?Non-linearity error is defined as the biggest deviation from a straight line linking the output signal to the applied force, known as the "best straight," that the calibration curve makes. In order to eliminate second order nonlinearity, the sensor signal conditioning system feeds a portion of the output signal back to the sensor.
If EMF and Celsius temperature have a proportional relationship, then the recorded value of EMF at 100 °C will be understood to be a temperature of.
T/5.268 = 400/21.846
T = 5.268(400/21.846) ≈ 96.457 °C
As a percentage of the full scale, the mistake is
(96.457 -100)/400 × 100% ≈ -0.886%
Thus, the non-linearity error as a percentage of the full-scale reading at 100 degree C is - 0.89%.
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For flow of a liquid metal through a circular tube, the velocity and temperature profiles at a particular axial location may be approximated as being uniform and parabolic, respectively. That is, u(r) = C, and TO-T, = C11-(r/ro)2], where Ci and C2 are constants. what is the value of the Nusselt number Nup at this location?
Answer:
Nup = 8
Explanation:
u(r) = C1 and T(r) = T(s) = C2 [ 1 - r/ro)^2 ]
The temperature and velocity particles at a particular axial location is Uniform and parabolic
The Nusset Number Nup at this location can be obtained by first determining/calculating for the convection coefficient = \(h = \frac{q^I s}{TsTn}\)
Therefore the mean temperature is calculated as follows
attached is the detailed solution and free body diagram
The next day at SLS found everyone in technical support busy restoring computer systems to their former state and installing new virus and worm control software. Amy found herself learning how to install desktop computer operating systems and applications as SLS made a heroic effort to recover from the attack of the previous day.
Required:
Do you think this event was caused by an insider or outsider?
Answer:
Yes, it was caused by an insider or outsider.
Explanation:
Yes, I believe that this event was caused by an insider or outsider. This is because, if a USB removable flash drive is attached to all the office computers by an insider and now an outsider sends a mail to the company’s General group mail; if the mail has a link that contains some infected worms and virus; once anybody clicks on the link in the mail then, all the computers will be affected by the virus.
Therefore, this event may be caused by the insider who clicked the infected link or by the outsider sent the infected link in the mail.
Expression for calories burned during workout
Which BEST identifies a contrast in these two passages? A) The actions taken by the bird in the poem cause injuries, but the actions taken by Sojourner Truth in the account do not cause any injuries. B) The actions taken by the bird in the poem cause no injuries, but the actions taken by Sojourner Truth in the account cause her great injuries. C) The actions taken by the bird in the poem are effective, but the actions taken by Ms. Truth, Ms. Griffling, and Ms. Haviland in the account have no impact. D) The actions taken by the bird in the poem are ineffective, but the actions taken by Ms. Truth, Ms. Griffling, and Ms. Haviland in the account have a great impact.
The option that BEST identifies a contrast in these two passages is option D) The actions taken by the bird in the poem are ineffective, but the actions taken by Ms. Truth, Ms. Griffling, and Ms. Haviland in the account have a great impact.
What do you mean by contrast?The term contrast is known to be a word that tends to show some noticeable differences between two things.
Note that it is liken to a cause and its effect. The option that BEST identifies a contrast in these two passages is option D) The actions taken by the bird in the poem are ineffective, but the actions taken by Ms. Truth, Ms. Griffling, and Ms. Haviland in the account have a great impact.
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A shaft made of aluminum is 40.0 mm in diameter at room temperature (21°C). Its coefficient of thermal expansion = 24.8 x 10-6 mm/mm per °C. If it must be reduced in size by 0.20 mm in order to be expansion fitted into a hole, determine the temperature to which the shaft must be cooled.
Answer:
Temperature to which the shaft must be cooled, \(\theta_2 = -180.61 ^0C\)
Explanation:
Diameter of the shaft at room temperature, d₁ = 40 mm
Room temperature, θ₁ = 21°C
Coefficient of thermal expansion, \(\alpha = 24.8 * 10^{-6} / ^0 C\)
The shaft is reduced in size by 0.20 mm:
Δd = - 0.20 mm
The temperature to which the shaft must be cooled, θ₂ = ?
The coefficient of thermal expansion is given by the equation:
\(\alpha = \frac{\triangle d}{d_1 * \triangle \theta}\\\\24.8 * 10^{-6} = \frac{-0.20}{40 * \triangle \theta}\\\\\triangle \theta = \frac{-0.20 }{24.8 * 10^{-6} * 40} \\\\\triangle \theta = - 201.61 ^0 C\\\triangle \theta = \theta_2 - \theta_1\\\\- 201.61 = \theta_2 - 21\\\\\theta_2 = -201.61 + 21\\\\\theta_2 = -180.61 ^0C\)
Solve the differential equation by variation of parameters. (Use C1 and C2 as arbitrary constants.)
y'' − 16y = 16x/e^4x
Refer to the attached images. Final answer is circled.
Oxidation Inhibitors are antioxidant additives that slow the degradation
of the oil stock by oxidation?
Answer: True
Explanation:
Oil oxidation is a process that all oil goes through and involves a series of chemical reactions between compounds in the oil and oxygen that lead to the quality of the oxygen falling. In other words, oxidation degrades oil.
Even though this is a process that all oil goes through and one that cannot be stopped, it's pace can be reduced. One way of doing this is by adding oxidation inhibitors which are antioxidant additives that work to slow the degradation of the oil stock by oxidation.
Which renewable energy resource possesses the greatest potential for providing renewable energy to meet the future needs of the southern united states?
a. Tidal
b. Water
c. Solar
d. Coal
Solar, the renewable energy resource possesses the greatest potential for providing renewable energy to meet the future needs of the southern united states.
Why is energy so crucial?Energy is a major factor in our everyday lives as it is an essential need for humans. You need energy to move your finger, get up from bed, or even walk down the street.
What is the primary energy source?The sun is among the most significant energy sources.The sun, from which all energy on earth derives, is the primary source of energy. In addition to giving us solar thermal energy, sunlight also enables solar (photo - voltaic) cells to produce electricity.
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A vehicle battery is consistently low on voltage. Technician A says to disconnect the battery with the engine running to test for proper alternator output. Technician B says that a loose alternator belt may cause this problem. Who is right
A vehicle battery is consistently low on voltage, a loose alternator belt may cause this problem. In this case, Technician B is right.
A loose alternator belt can cause the alternator to not charge the battery properly, leading to a consistently low voltage. Disconnecting the battery with the engine running, as suggested by Technician A, is not recommended as it can cause damage to the electrical system and does not provide an accurate assessment of the alternator's performance. Instead, it's better to use a multimeter to test the alternator output.
Disconnecting the battery while the engine is running can lead to voltage spikes and other electrical issues that may harm sensitive electronic components. It is generally advised to avoid this practice.
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You are standing at the edge of the roof of the engineering building, which is H meters high. You see Professor Murthy, who is h meters tall, jogging towards the building at a speed of v meters/second. You are holding an egg and want to release it so that it hits Prof Murthy squarely on top of his head. What formulas describes the distance from the building that Prof Murthy must be when you release the egg?
Answer:
s = v√[2(H - h)/g]
This formula describes the distance from the building that Prof Murthy must be when you release the egg
Explanation:
First, we need to find the time required by the egg to reach the head of Professor. For that purpose, we use 1st equation of motion in vertical form:
Vf = Vi + gt
where,
Vf = Velocity of egg at the time of hitting head of the Professor
Vi = initial velocity of egg = 0 m/s (Since, egg is initially at rest)
g = acceleration due to gravity
t = time taken by egg to come down
Therefore,
Vf = 0 + gt
t = Vf/g ----- equation (1)
Now, we use 3rd euation of motion for Vf:
2gs = Vf² - Vi²
where,
s = height dropped = H - h
Therefore,
2g(H - h) = Vf²
Vf = √[2g(H - h)]
Therefore, equation (1) becomes:
t = √[2g(H - h)]/g
t = √[2(H - h)/g]
Now, consider the horizontal motion of professor. So, the minimum distance of professor from building can be found out by finding the distance covered by the professor in time t. Since, the professor is running at constant speed of v m/s. Therefore:
s = vt
s = v√[2(H - h)/g]
This formula describes the distance from the building that Prof Murthy must be when you release the egg
Which of the following things is not true?
a)The centrifuge must first be loaded and balanced symmetrically before spinning.
b)Angle Head centrifuge is the best centrifuge for urinalysis department
c)Never use a tube alone.
d)Always close the centrifuge door.
e)Care of a centrifuge includes daily cleaning of any spills
Option b) Angle Head centrifuge is the best centrifuge for urinalysis department is not true.
A centrifuge is a laboratory instrument that separates fluids, gases, or liquids by spinning them at high speeds. Because it creates a centrifugal force that separates the molecules based on size, shape, and density, it is effective.
In a centrifuge, a sample is placed in a test tube that is placed in a rotor. When the rotor spins, the centrifugal force is created. The sample particles move outward, and the denser particles are pushed toward the bottom of the test tube. The less dense particles will rise to the top of the test tube. After spinning, the sample is separated and ready for further examination.
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I don’t know the answer to this question
Answer:
I dont know the answer either
Explanation:
Answer:
flux
Explanation:
A horizontal force P is applied to a 130 kN box resting on a 33 incline. The line of action of P passes through the center of gravity of the box. The box is 5m wide x 5m tall, and the coefficient of static friction between the box and the surface is u=0.15. Determine the smallest magnitude of the force P that will cause the box to slip or tip first. Specify what will happen first, slipping or tipping.
Answer:
SECTION LEARNING OBJECTIVES
By the end of this section, you will be able to do the following:
Distinguish between static friction and kinetic friction
Solve problems involving inclined planes
Section Key Terms
kinetic friction static friction
Static Friction and Kinetic Friction
Recall from the previous chapter that friction is a force that opposes motion, and is around us all the time. Friction allows us to move, which you have discovered if you have ever tried to walk on ice.
There are different types of friction—kinetic and static. Kinetic friction acts on an object in motion, while static friction acts on an object or system at rest. The maximum static friction is usually greater than the kinetic friction between the objects.
Imagine, for example, trying to slide a heavy crate across a concrete floor. You may push harder and harder on the crate and not move it at all. This means that the static friction responds to what you do—it increases to be equal to and in the opposite direction of your push. But if you finally push hard enough, the crate seems to slip suddenly and starts to move. Once in motion, it is easier to keep it in motion than it was to get it started because the kinetic friction force is less than the static friction force. If you were to add mass to the crate, (for example, by placing a box on top of it) you would need to push even harder to get it started and also to keep it moving. If, on the other hand, you oiled the concrete you would find it easier to get the crate started and keep it going.
Figure 5.33 shows how friction occurs at the interface between two objects. Magnifying these surfaces shows that they are rough on the microscopic level. So when you push to get an object moving (in this case, a crate), you must raise the object until it can skip along with just the tips of the surface hitting, break off the points, or do both. The harder the surfaces are pushed together (such as if another box is placed on the crate), the more force is needed to move them.
Why is a vacuum line attached to a fuel-pressure regulator on many port-fuel-injected engines? group of answer choices
A vacuum line is attached to a fuel-pressure regulator on many port-fuel-injected engines to regulate fuel pressure.
What is a fuel pressure regulator?
A fuel pressure regulator is an essential component of a car's fuel system that controls the pressure of fuel delivered to the fuel injectors. It ensures that the fuel delivered to the engine is consistent, regardless of whether the engine is idling or running at high speeds.
The fuel pressure regulator works by relieving fuel pressure if it becomes too high. A vacuum hose is also connected to the fuel pressure regulator. The fuel pressure regulator's internal diaphragm is adjusted by the vacuum hose. It regulates the fuel pressure delivered to the injectors based on the intake manifold vacuum. When the engine is running, the intake manifold vacuum is at its lowest point. In this case, the fuel pressure regulator is fully open. When the engine is idling, the vacuum level is at its highest. The regulator's diaphragm stretches, limiting fuel flow to the injectors, resulting in lower fuel pressure.
In short, a vacuum line is attached to a fuel-pressure regulator on many port-fuel-injected engines to regulate fuel pressure.
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vết nứt tế vi là gì?
Dependence of oxidation on the temperature 10 points total The process temperature is an important parameter for the oxide growth process. To get an estimate for the temperature dependence of the Deal-Groove formula, the following considerations can be used. All processes (transport, diffusion and reaction) that are used in the Deal-Groove model are thermally activated. Thus, the dependence on the growth parameters on the temperature T can be estimated by: X(T) = Xpe Xe{A, B, B/A} (5) Here kB = 8.617 x 10-5 eV/K is the Boltzmann Constant and EX is the activation energy for the parameter. X, is the value for the corresponding parameter at T =0 K. Please note that this is not a 'physical activation energy but rather an average/fit parameter for all the physical and chemical thermally activated processes relevant for the process. In the original publication by Deal and Groove, they gave the following parameter sets for dry oxidation: Oxidation temperature in 'C A in um Bin um²/h 1000 0.165 0.0117 1200 0.040 0.045 a)EXct and X, for A, B and B/A
a) Use the given values for the parameters A and B in the table above, along with equation ?? to derive the activation energies EXd and zero temperature values X(T = 0 K) for all three parameters A, B and B/A. Then use this calculate the corresponding values of A,B, B/A for the following temperatures: 1000°C, 1200°C, 800°C and 900 °C.
b) Plot estimates for other temperatures 2 points Use the obtained values from the previous sub-task along with the full Deal-Groove model equation for Z:(t) to plot the oxide thickness over time (0-100h) using at least 20 data points each for the following temperatures: 1000°C, 1200°C, 800°C and 900 °C. Assume Zo = Om.
Answer:
mama mia
Explanation:
haha
Kevin fixes trucks as a job. The engine is oily. Which set set of equipment should Kevin use to fix the truck?
Answer:
A hammer and a wrench
Explanation:
A rigid insulated tank is divided into 2 equal compartments by a thin rigid partition. One of the compartments contains air, assumed to be an ideal gas at 800 kPa and 300 K. The other compartment is under a vacuum. The partition is suddenly broken and the air rushes into the evacuated compartment. The tank pressure and temperature eventually equilibrate.
a. Define the system you will use and draw a labeled schematic.
b. Write the energy balance for the system, making simplifications as appropriate.
c. What is the final temperature of the gas, K?
d. What is the final pressure, kPa?
For each function , sketch the Bode asymptotic magnitude and asymptotic phase plots.
a. G(s)= 1/s(s+2)(s+4)
b. G(s)= (s+5)/(s+2)(s+4)
c. G(s)= (s+3)(s+5)/s(s+2)(s+4)
Answer:
attached below
Explanation:
a) G(s) = 1 / s( s+2)(s + 4 )
Bode asymptotic magnitude and asymptotic phase plots
attached below
b) G(s) = (s+5)/(s+2)(s+4)
phase angles = tan^-1 w/s , -tan^-1 w/s , tan^-1 w/4
attached below
c) G(s)= (s+3)(s+5)/s(s+2)(s+4)
solution attached below
What is the ls option that prints the author of a file?
Answer:
You need to use option '–author' along with option '-l' to print the author name of each file.
Explanation:
hopefully this helps you sorry if it doesn’t help you
Figure 1 shows the P1 pile cap and C2 column stump in detail. The column stump height is 100 mm, and the concrete mix for the pile cap and column stump are made of grade 30.
(a) List the taking off for concrete work for the column stump and pile cap.
(b) Calculate the quantity of concrete work required for C2 column stump.
(c) Calculate the quantity of concrete work required for P1 pile cap.
Please keep in mind that these are only estimates; actual calculations would require detailed drawings and consideration of any other factors such as sloping or irregular shapes.
(a) List the time allotted for concrete work on the column stump and pile cap?
Taking off for concrete work for the column stump and pile cap would typically include:
Volume of concrete required for the column stump
The amount of concrete needed for the pile cap
Reinforcement steel required for both the column stump and pile cap
Formwork and shoring required for both the column stump and pile cap
(b) How much concrete work is required for a C2 column stump?
To calculate the quantity of concrete work required for the C2 column stump, you would need to know the dimensions of the column stump (length, width, and height).
With a height of 100mm and assuming a square shape, and using the formula for the volume of a cube:
Volume = length x width x height = 100mm x 100mm x 100mm = 1,000,000 mm³ = 1 m³
(c) Determine the amount of concrete work required for the P1 pile cap.
To calculate the quantity of concrete work required for the P1 pile cap, you would need to know the dimensions of the pile cap (length, width, and thickness) and the number of piles the pile cap will be covering.
With a thickness of 100mm and assuming a square shape, and using the formula for the volume of a cube:
Volume = length x width x thickness = 100mm x 100mm x 100mm = 1,000,000 mm³ = 1 m³
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According to your equation, what is the functional relationship between the height of the water h_1 and the speed of the flow v_2 at Point 2
This question is incomplete, the complete question is;
Starting with the full Bernoulli’s equation, simplify the equation for the case diagrammed below, where Point 1 is at the top of the water at height h1, with negligible flow speed v1=0, and Point 2 is at height h2=0. Both Point 1 and Point 2 are open to the atmosphere so P1 = P2 = Patm.
According to your equation, what is the functional relationship between the height of the water h1 and the speed of the flow v2 at Point 2?
Answer:
the functional relationship between the height of the water h1 and the speed of the flow v2 at Point 2 is v2 = √2gh1
Explanation:
Gravitational acceleration = g
Density of water = P
Pressure of the water at point 1 = p1 = patm
Speed of the water at point 1 = v1 = 0 m/s
Height of point 1 = h1
Pressure of the water at point 2 = p2 = patm
Speed of the water at point 2 = v2
Height of point 2 = h2 = 0 m
Now, Using Bernoulli's equation at point 1 and 2,
p1 + Pv1²/2 + Pgh1 = p2 + Pv2²/2 + Pgh2
patm + P(0)²/2 + Pgh1 = patm + Pv2²/2 + Pg(0)
Pgh1 = Pv2²/2
gh1 = v2²/2
v2² = 2gh1
v2 = √2gh1
Therefore the functional relationship between the height of the water h1 and the speed of the flow v2 at Point 2 is v2 = √2gh1
Consider steady heat transfer through the wall of a room in winter. The convection heat transfer coefficient at the outer surface of the wall is three times that of the inner surface as a result of the winds. On which service of the wall, do you think the temperature will be closer to the surrounding air temperature?
Answer:
The temperature of the outer wall surface will be closer to the temperature of the surrounding air.
Explanation
Since the outer wall has a convective heat transfer coefficient that is 3 time the one in the inner surface due to the wind, the outer wall will have a temperature closer to the surrounding air's temperature because the heat that flows from the warmer inner room wall will be rapidly conducted away from the surface of the outer wall by the prevailing wind, leaving it with a reduced temperature that will be closer to the temperature of the surrounding air.
The bath tub vortex hown in gure(4) conit of a rotational region (rigid body motion)
up to a radiu of r = 0. 6 meter where the tangential velocity of uid under rotation varie
linearly with radiu and an irrotational region beyond r = 0. 6 meter where the ow velocity
i inverely proportional to radiu. The tangential velocity variation with radiu of vortex i
hown in upper part of gure(4) wherea the prole of free urface of water i hown in the
lower part. Determine the depth of the free urface at origin which i placed at the level of
free urface far from the origin. (10
The bath tub vortex shown in Figure 4 has a rotational zone that extends up to a radius of r = 0. 6 meters and has a variable tangential velocity of the fluid under rotation.
This page is about the line segment. A bone is a radius; see Bone . In other contexts, the radius of a circle or sphere is any line segment that, in classical geometry, connects the object's center to its perimeter; in more modern usage, it also refers to the length of such line segments. The Latin origin of the term "radius" gives it the meanings "ray" and "the spoke of a chariot wheel." The term radius can be pluralized using radii or the standard English radii. The most common abbreviations and names for the mathematical variable radius are R and r. By extension, the diameter D and the radius R are equal. The phrase could relate to an absence of a center.
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Bejsickwnanciodkwbdjxiwnsnxbx
Answer:
is it a free point? or just a question if it is kindly respond
In low speed subsonic wind tunnels, the value of test section velocity can be controlled by adjusting the pressure difference between the inlet and test-section for a fixed ratio of inlet-to-test section cross-sectional area.
a. True
b. false
Answer:
Hence the given statement is false.
Explanation:
For low-speed subsonic wind tunnels, the air density remains nearly constant decreasing the cross-section area cause the flow to extend velocity, and reduce pressure. Similarly increasing the world cause to decrease and therefore the pressure to extend.
The speed within the test section is decided by the planning of the tunnel.
Thus by adjusting the pressure difference won't change the worth of test section velocity.
Answer:
The given statement is false .