compared to the breakdown voltage of an abrupt p-n junction, the breakdown voltage of a p-i-n junction, with the same doping concentrations as in the p-n junction in the p and n regions, is:
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All right, but because these freshly N- and P-type semiconductor materials are electrically neutral, they don't really accomplish much on their own.
This PN junction theory lesson demonstrates that silicon can be with antimony in small amounts to make an N-type semiconductor material, and with boron in small amounts to form a P-type semiconductor material. However, when these two semiconductor materials are fused together to form what is known as a PN Junction, they behave very differently, allowing us to study the impact of PN junction theory.
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Related Questions
An ADC employing a 1000-level quantizer is used to convert an analogue signal that with bandwidth 20 kHz to binary format. Determine the minimum bit rate from this ADC.
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To determine the minimum bit rate of an ADC (Analog-to-Digital Converter) with a 1000-level quantizer and a bandwidth of 20 kHz, the minimum bit rate from this ADC is 400 kHz.
In this case, the signal has a bandwidth of 20 kHz, so the minimum sampling rate required is 2 times the bandwidth, which is 2 * 20 kHz = 40 kHz. The minimum sampling rate corresponds to the minimum bit rate.
To convert an analogue signal with a 20 kHz bandwidth to a binary format using a 1000-level quantizer, each level of the quantizer requires a certain number of bits. Since there are 1000 levels, we need at least log2(1000) bits to represent each level. Rounded up to the nearest integer, log2(1000) is 10.
Therefore, the minimum bit rate of the ADC is the product of the minimum sampling rate and the number of bits per sample:
Minimum bit rate = Minimum sampling rate * Number of bits per sample
= 40 kHz * 10 bits
= 400 kHz
Hence, the minimum bit rate from this ADC is 400 kHz.
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a line passes through (1,9) is parallel to the line through (-2,2) and (4,5) find its equation.
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Describe the matrices and formulae used to determine centralization or distribution of data. In the absence of subjective reasoning, would the matrices and formulae lead to a rational decision? Why or why not?
Answers
Measures of center do a good job of summarizing a data collection, but they don't tell us anything about the distribution of the data.
How do you establish the distribution type of the data?
How to Use Probability Plots to Determine Your Data's Distribution. To ascertain whether your data adhere to a specific distribution, probability charts may be the most effective tool. The distribution fits your data if they fall along the graph's straight line. Visualizing this procedure is easy.
Explain the matrices and formulas used to determine whether data are centrally located or distributed.
The following factors will make up the distribution matrix: time required to implement the program; total cost of implementation; total number of processes; and time required to advertise the program.
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The branch of mechanics dealing with the movements of bodies is called
A.kinetics.
B.kinematics.
C.velocity.
D.movement
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A steel pipe of 400-mm outer diameter is fabricated from 10-mm-thick plate by welding along a helix that forms an angle of 20° with a plane perpendicular to the axis of the pipe. Knowing that a 300-kN axial force P is applied to the pipe. Determine the normal and shearing stresses in directions respectively normal and tangential to the weld.
Answers
Explanation:
Outer di ameter \(d_{0}=400 \mathrm{mm}\( Thickness of the cylinder \(t=10 \mathrm{mm}\)
\(\therefore\( Inner diam eter \(d_{i}=d_{0}-2 t=400-2 \times 10\)
\(d_{1}=380 \mathrm{mm}\)
Given loading on the cylinder \(P=300 \mathrm{kN}\) Helix an gle of the weld form \(\theta=20^{\circ}\)
(i) Normal stress on the plane at angle \(\theta=20^{\circ}\) is
\(\sigma=\frac{P \cos ^{2} \theta}{A_{0}}\)
\(\text { Where } A_{0}=\frac{\pi}{4}\left(d_{0}^{2}-d_{1}^{2}\right)\)
\(\quad=\frac{\pi}{4}\left(400^{2}-380^{2}\right)\)
\(=12252.21 \mathrm{mm}^{2}\)
\(=12.25221 \times 10^{-9} \mathrm{m}^{2}\)
\(\sigma=\frac{-300 \times 10^{2} \times \cos ^{2} 20}{12.25221 \times 10^{-1}}\)
\(=-21.6 \mathrm{MPa}\)
(ii) Shear stress along an angle of \(\theta=20^{\circ}\) is \(\tau=\frac{P}{A_{0}} \cos \theta \sin \theta\)
\(=\frac{-300 \times 10^{-1} \times \cos 20 \times \sin 20}{12.25221 \times 10^{-3}}\)
\(=-7.86 \mathrm{MPa}\)
The normal and shearing stresses are equal to -21.63 MPa and -7.84 Mpa respectively.
Given the following data:
Outer diameter = 400 mm.Thickness (t) = 10 mm.Angle of inclination = 20°.Axial force = -300 kN.Conversion:
Outer radius = \(\frac{Outer diameter}{2} =\frac{400}{2}\) = 200 mm to m = 0.2 meter.Thickness (t) = 10 mm to m = 0.01 meter.How to calculate normal stress.Mathematically, the normal stress is given by this formula:
\(\sigma = \frac{P}{A} cos^2 \theta\) ....equation 1.
Where:
P is the axial force.A is the cross-sectional area.Note: The steel pipe is hollow and as such its area would be calculated as that of a disk.
Generally, a disk can be described as a large outer circle with its smaller-inner circle expunged. Thus, the area of a disk is given by:
\(Area = \pi (r_o^2-r_i^2)\) .....equation 2.
Where:
\(r_i\) is the inner radius.\(r_o\) is the outer radius.For the inner radius:
\(r_i = r_o-t\\\\r_i=0.2-0.01\\\\r_i=0.19\;m\)
Substituting the parameters into eqn. 2, we have:
\(Area = 3.142 (0.2^2-0.19^2)\\\\Area = 3.142(0.04-0.0361)\\\\Area = 3.142 \times 0.0039\\\\Area = 0.0123\;m^2\)
For the normal stress:
\(\sigma = \frac{-300 \times 10^3}{0.0123} \times cos^2 20\\\\\sigma =-24.49 \times 10^{6} \times 0.8830\\\\\sigma =-21.63 \times 10^{6}\;Pa\)
Note: 1 MPa = \(1\times 10^6\;Pa\)
Normal stress = -21.63 MPa.
How to calculate shearing stress.We would derive the formula for shearing stress from the normal stress formula by applying trigonometric functions.
Note: \(sin2 \theta = 2sin \theta cos \theta\)
\(\tau = \frac{P}{A} sin \theta cos \theta\\\\\tau = \sigma \times \frac{sin \theta}{cos \theta}\\\\\tau = \frac{P}{A} cos^2 \theta \times \frac{sin \theta}{cos \theta}\\\\\tau = \frac{P}{2A} sin2\theta\)
Substituting the parameters into the formula, we have;
\(\tau = \frac{-300 \times 10^3}{2 \times 0.0123} \times sin 2(20)\\\\\tau = \frac{-300 \times 10^3}{0.0246} \times sin (40)\\\\\tau = -12.2 \times 10^6 \times 0.6428\\\\\tau = -7.84 \times 10^6\;Pa\)
Note: 1 MPa = \(1\times 10^6\;Pa\)
Shearing stress = -7.84 Mpa.
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Makine yüzeysel gemi ünvan değişikliği teknolojisi
Answers
I inferred you meant emerging technologies we see today.
Explanation:
1. 3D Printing
A three dimensional printing allows a digital model to be printed (constructed) into a physical object.
A box, an industrial design and many more could be printed within minutes.
2. AI voice recognition devices
Another trend in the tech world is the rise in artificial intelligence been used in voice recognition devices that not only recognize one's voice but also take commands from the user.
This technology allows one to listen to the internet, such as listening to music online.
The tech world is ever changing with new technology beyond one's consumption on the increase daily.
.4- The wood structure panel roof diaphragm of a warehouse one-story building is shown in plan view. The calculated roof diaphragm shear capacity is 450 lb/ft in the east-west direction. The roof diaphragm is adequately anchored to the shear wall. a) Calculate the unit shear along the south shear walls b) Calculate the unit shear along the north shear wall c) Calculate the unit shear along the diaphragm in the direction of analysis 40'
Answers
The unit shear along the south shear walls is 450 lb/ft.
What is the shear capacity along the south shear walls?The unit shear along the south shear walls of the warehouse one-story building is 450 lb/ft in the east-west direction. Unit shear refers to the shear force per unit length, in this case, per foot, acting on the shear walls. Shear walls play a crucial role in resisting lateral forces and maintaining the structural stability of a building.
In this context, the calculated unit shear of 450 lb/ft indicates the maximum shear force that each foot of the south shear walls can withstand without experiencing excessive deformation or failure. It is important to ensure that the shear walls are designed and constructed to withstand these shear forces adequately.
The adequate anchorage of the roof diaphragm to the shear wall is another important aspect mentioned in the question. Proper anchoring ensures a strong connection between the roof diaphragm and the shear wall, allowing the transfer of shear forces effectively and enhancing the overall structural performance.
By calculating the unit shear, engineers and designers can assess the capacity of the south shear walls to resist the applied forces and ensure the stability and safety of the warehouse building. This information is crucial for designing and evaluating the structural integrity of the building to meet the required safety standards and codes.
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When should an additional vertical cable support a structure to make it more rigid? Can you give an example
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When the structure is sagging, additional vertical cable support the structure to make it more rigid.
What are some examples of cable structures?The suspension bridge, the cable-stayed roof, and the bicycle-wheel roof are all examples of highly effective cable structures. Any string or cable stretched freely between two points will take the shape of a catenary, as evidenced by the beautiful arc of the enormous main cables of a suspension bridge.
Cable frameworks are a type of tensioned long-span construction that is supported by suspension cables. The suspension bridge, the cable-stayed roof, and the bicycle-wheel roof are all examples of highly effective cable structures.
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Water from a stationary nozzle strikes a flat plate as shown. The water leaves the nozzle at 15 m/s; the nozzle area is 0.01 m2 . Assuming the water is directed normal to the plate, and flows along the plate, determine the horizontal force you need to resist to hold it in place
Answers
This issue shows how carefully selecting the control volume can make it easier to apply the momentum equation, If we had used gage pressures, the analysis would have been much simpler and For this issue, the plate completely absorbing the horizontal momentum of the jet was what caused the force to be generated.
Given: Water flows parallel to the plate after being directed normally toward it by a stationary nozzle.
Jet velocity is V = 15î m/s
and nozzle area,\(A_{n} = 0.001m^{2}\)
Check your hand for: Horizontal force.
In outlining the problem above, we choose a coordinate system. Now we must select an appropriate control volume. The dashed lines below depict two possible options.
In both scenarios, water from the nozzle is considered to cross the control surface through area 1 A 1 (which is assumed to be equal to the nozzle area) and Exit the control volume in either the +y and -y direction, tangent to the plate surface
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for this slow cooling process, is the corresponding steel h ypoeutectoid or h ypereutectoid 4 points] what is the proeutectoid phase? 3 points]
Answers
Proeutectoid signifies is a phase that forms (on cooling) before the eutectoid austenite decomposes. It has a parallel with primary solids in that it is the first phase to solidify out of the austenite phase. Thus, hypoeutectoid is the correct answer.
What is hypoeutectoid steel?Hypoeutectoid steels are those that contain less than 0.80 weight percent carbon (strictly 0.77 weight percent C, but a less stringent definition is used in commercial practice). Proeutectoid ferrite and austenite, each with a different carbon content, can coexist as two distinct phases in hypoeutectoid steels after initial cooling from the austenite single phase field. The remaining austenite undergoes the eutectoid reaction, converting to ferrite plus cementite (i.e., pearlite), and as a result, the microstructure of these steels typically contains proeutectoid ferrite grains and pearlite islands.
Eutectoid steels have a carbon content of 0.76 weight percent (in reality, steels with a carbon content of 0.75 to 0.85 weight percent are frequently categorized as eutectoid steels). All carbon is dissolved in the austenite, which forms as a solid solution in these steels at any temperature in the austenitic range.
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When using a VOT to make a VOR receiver check, the CDI should be centered and the OBS should indicate that the aircraft is on the:
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360 Radial. While on the ground near a VOT, users can conveniently assess the readiness for use and precision of a VOR receiver by receiving a test signal from the FAA VOR test facility (VOT).
Before takeoff, you can use a VOT to evaluate the VOR accuracy from your aircraft. At an airport, there is a VOR test signal that has been given the go-ahead. You must examine the chart supplement to determine whether your airport has a VOT because not all airports have these. Here's what to do if your airport has a VOT:
Set your VOR to receive the VOT signal. The track indicator should be centered, and the course selector should be set to 0 degrees. It should say FROM on the TO-FROM indication. the course selector to 180 degrees, then. The track bar should then be in the middle and the TO-FROM indication should say TO. The specified bearing error is only allowed to vary by a maximum of 4 degrees.
The main distinction between a ground checkpoint and a VOT is that ground checkpoints make use of VORs as opposed to VOTs. Additionally, the pilot must tune the OBS to a specific VOR radial at ground checkpoints rather than the 180 or 0 degree radial with a VOT.
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an aerial photograph taken at 3000m above ground surface, the top and bottom distances of a telecommunication tower are 4.65cm and 4.5cm from the principal point, the bottom of the tower is 2700 above mean sea level.
determine tower height.
Answers
Explicación : x/h= 4.65-4.5-4.5=0.15/4.5=0.0333
3000-2700/x=4.5/f
x= h/0.0333
300/h/0.0033= 4.5/f
h= 300*0.0333/4.5
In python
Write an expression that executes the loop body as long as the user enters a non-negative number.
Note: If the submitted code has an infinite loop, the system will stop running the code after a few seconds and report "Program end never reached." The system doesn't print the test case that caused the reported message.
Sample outputs with inputs: 9 5 2 -1
Body
Body
Body
Done.
Answers
Answer:
inputed = input("Choose some numbers, each separated with a space: ")
chosen = list(inputed)
chosen = chosen.remove(' ')
for value in chosen:
if '-' not in value:
print(Body)
else:
print(Done)
break
Explanation:
The for loop will go through every value in the list (your numbers) and check if it is positive or negative.
The Specific weight of an unknown liquid is 12400N/m³. What mass of the liquid is contained in a volume of 500 cm³ ? use; (a) The Standard value of gravity. (6) The minimum value of gravity on the earth (c) The maximum value of gravity on the earth
Answers
The mass of the liquid is 61.029 N. The mass of the liquid is 60.636 N in the second scenario.
What is density?The density of a solid, liquid, or gas describes how closely packed the particles are. Density is defined as the amount of mass per unit volume.
The mass of a liquid can be calculated using its volume and density. The formula is:
mass = density x volume
We are given the density of the unknown liquid as 12400 N/m³ and the volume as 500 cm³.
We need to convert the volume from cm³ to m³ before we can use the formula:
500 cm³ = 0.0005 m³
(a) Using the standard value of gravity (9.81 m/s²):
mass = density x volume x gravity
= 12400 N/m³ x 0.0005 m³ x 9.81 m/s²
= 61.029 N
Therefore, the mass of the liquid is 61.029 N.
(b) Using the minimum value of gravity on Earth (9.78 m/s²):
mass = density x volume x gravity
= 12400 N/m³ x 0.0005 m³ x 9.78 m/s²
= 60.636 N
Therefore, the mass of the liquid is 60.636 N.
(c) Using the maximum value of gravity on Earth (9.83 m/s²):
mass = density x volume x gravity
= 12400 N/m³ x 0.0005 m³ x 9.83 m/s²
= 61.422 N
Thus, the mass of the liquid is 61.422 N.
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What is the relationship between mechanical stress inside of a cylindrical part with a given force applied to it
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The relationship between mechanical stress inside of a cylindrical part with a given force applied to it is stress = force/area.
How is pressure associated with strain?The utility of pressure offers upward thrust to strain, however now no longer the opposite manner around. A pressure is a push or pull upon an item attributable to the item's interplay with some other item while Stress is an inner resistance to supplied through the frame itself each time it's far beneath a few type of deformation.
Stress is denoted through σ. It is represented as N/m2. Stress formulation is made use of to locate carried out on any given frame if pressure and region on which pressure is exerted is given withinside the problem.
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A #6 showing on the sleeve would indicate a distance between measuring faces of(C).006 in.(A) .600 in.(D) 015 in.
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The sleeve indicates a distance between measuring faces of 0.006 in.
What does a #6 showing on the sleeve indicate about the distance between measuring faces?
The statement is describing a measurement system that uses sleeves to measure distances. In this system, a #6 showing on the sleeve indicates a distance between measuring faces of 0.015 in.
This means that the sleeve has markings that correspond to different distances, and by aligning the markings on the sleeve with a fixed reference point, the distance between two points can be measured.
The specific marking on the sleeve is determined by the number of revolutions made by the thimble of the measurement tool, and each revolution corresponds to a specific distance.
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design a one-input, one-output sequence detector, which produces an output 1 every time the sequence 1111 is detected, and an output 0 at all other times. the circuit is also required to recognize overlapping sequences, as can be seen in the output string z that results from the following input string x. use jk flip-flops. use the following input string as part of your simulation. input string x: 1101111111010 output string z: 0000001111000 the following format will be used for lab reports:
Answers
To design a one-input, one-output sequence detector for detecting the sequence "1111" using JK flip-flops, we can use the following state diagram:
Sequence Detector State DiagramIn this state diagram, S0, S1, S2, and S3 are the four possible states of the detector. The output of the detector is 1 when it reaches state S3 and remains in that state until the next clock pulse. The output is 0 for all other states.
The state transition table for the detector is:
Present State Input
S0 0 S0 0
S0 1 S1 0
S1 0 S0 0
S1 1 S2 0
S2 0 S0 0
S2 1 S3 0
S3 0 S0 1
S3 1 S1 0
To implement this state diagram using JK flip-flops, we can use the following circuit:Sequence Detector Circuit DiagramIn this circuit, J and K inputs of each flip-flop are set based on the state transition table. The Q output of each flip-flop is connected to the corresponding input of the next flip-flop. The output of the detector is taken from the Q output of the last flip-flop (Q3).To test the circuit, we can use the given input string x = 1101111111010 and verify that the output string z = 0000001111000 is produced. The simulation waveform of the circuit is shown below:
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4.6. What is the maximum peak output voltage and current if the supply voltages are changed to +15 V and -15 V.
Answers
The maximum peak output voltage and current if the supply voltages are changed to +15 V and --1V will be 15V and 0.1A.
How to calculate the current?From the information given, the supply voltages are +15V and -15V. The maximum peak output voltage will be 15V.
The maximum peak current will be:
= 15/150
= 0.1A
In conclusion, the maximum peak output voltage and current will be 15V and 0.1A.
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A pipe 120 mm diameter carries water with a head of 3 m. the pipe descends 12 m in altitude and reduces to 80 mm diameter, the pressure head at this point is 13 m. Determine the velocity in the small pipe and the rate of discharge (in L/s)? Take the density is 1000 kg/m³.
Answers
Given:
- Diameter of the first pipe (D1): 120 mm = 0.12 m
- Diameter of the second pipe (D2): 80 mm = 0.08 m
- Head at the first pipe (H1): 3 m
- Altitude change (Δh): 12 m
- Head at the second pipe (H2): 13 m
- Density of water (ρ): 1000 kg/m³
Step 1: Calculate the velocities in the pipes using Bernoulli's equation.
Applying Bernoulli's equation between the two points in each pipe:
For the first pipe:
P1/ρ + V1²/2g + H1 = constant (1)
For the second pipe:
P2/ρ + V2²/2g + H2 = constant (2)
Since the pipes are open to the atmosphere, we can assume P1 = P2 = atmospheric pressure (approximately).
Simplifying equation (1):
V1²/2g + H1 = constant (3)
Simplifying equation (2):
V2²/2g + H2 = constant (4)
Step 2: Solve for the velocities V1 and V2.
Using equation (3) for the first pipe:
V1²/2g + 3 = constant (5)
Using equation (4) for the second pipe:
V2²/2g + 13 = constant (6)
Step 3: Solve for the velocities V1 and V2.
Since the constants in equations (5) and (6) are the same (as it is a continuous flow), we can equate the two equations:
V1²/2g + 3 = V2²/2g + 13
V1²/2g - V2²/2g = 10
(V1² - V2²)/(2g) = 10
V1² - V2² = 20g
V1² = V2² + 20g (equation 7)
Step 4: Convert the diameter to radius for each pipe.
r1 = D1/2 = 0.12/2 = 0.06 m
r2 = D2/2 = 0.08/2 = 0.04 m
Step 5: Calculate the rate of discharge (Q) using the continuity equation.
The continuity equation states that the product of the cross-sectional area (A) and the velocity (V) is constant in a flowing fluid.
Q1 = Q2 (since it is a continuous flow)
A1V1 = A2V2
πr1²V1 = πr2²V2
(r1²V1)/(r2²) = V2
Step 6: Calculate the velocity in the smaller pipe (V2).
Substitute the values in equation (7):
V1² = V2² + 20g
(V1²r2²)/(r1²) = V2²
(0.06²V2²)/(0.04²) = V2²
V2² = (0.06²V1²)/(0.04²) [Substitute V1² = 2g(3) from equation (5)]
V2² = (0.06² × 2g × 3)/(0.04²)
V2² = 0.27g
V2 = √(0.27g)
Step 7: Calculate the rate of discharge (Q) in L/s.
Vapor lock occurs when the gasoline is cooled and forms a gel, preventing fuel flow and
engine operation. TRUE or FALSE
Answers
Answer:
True
Explanation:
Draw a radial power circuit arrangement containing 3 single fused sockets and 2 double unfused sockets showing the live, earth and neutral wiring
Answers
Answer:
Attached below is the Radial power circuit arrangement
Explanation:
Radial power circuit arrangement is done in a way that a single cable starts from the fuse box and connects to all the outlet socket contained in the circuit also the cable contains wires ( live , neutral and earth )
The advantage of a radial power circuit arrangement is that it enables easy identification of electrical faults on the circuit.
structural walls constructed with cold-formed steel use heavier gauge studs. these studs are at least ? and could be as much as ? .
Answers
Structural walls constructed with cold-formed steel use heavier gauge studs. These studs are at least 20 gauge and could be as much as 12 gauge.
Cold-formed steel is a popular choice for structural walls due to its strength and durability. Heavier gauge studs, ranging from at least 20 gauge to as much as 12 gauge, are used in these walls to provide added stability and support. The gauge of a stud refers to its thickness, with lower gauge numbers indicating thicker studs. Using thicker studs increases the load-bearing capacity of the wall, making it able to withstand heavier loads and providing a higher level of structural integrity. Additionally, thicker gauge studs also offer greater fire resistance and acoustic insulation, making them a versatile option for construction projects. As a result, cold-formed steel walls using heavier gauge studs are a popular choice in both residential and commercial building construction.
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Determine the critical load if the bottom is fixed and the top is pinned. ewew = 1. 6 ×(10)3ksi×(10)3ksi ,σyσy = 5 ksiksi
Answers
Critical load Fcr or buckling load is the value of load that causes the phenomenon of change from stable to unstable equilibrium state.
With that beign said, first it is neessary to calculate the moment of inercia about the x-axis:
\(Ix= \frac{db^3}{12}\\ Ix = \frac{2.(4)^3}{12} = 10.667in\)
Then it is necessary to calculate the moment of inercia about the y-axis:
\(Iy = \frac{db^3}{12}\\ Iy = \frac{4.(2)^3}{12} = 2.662in\)
Comparing both moments of inercia it is possible to assume that the minimun moment of inercia is the y-axis, so the minimun moment of inercia is 2662in.
And so, it is possible to calculate the critical load:
\(Pc\gamma = \frac{2046\pi ^2E.I}{L^2} \\Pc\gamma= \frac{2046.\pi ^2.(1,6.10^3.10^3).2662}{(10.12)^2} \\Pc\gamma= 5983,9db\)
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When you use a thick syringe to drive a thin syringe, you lose strength but gain distance or do gain both strength and distance
Answers
According to Lebogang syringe, you gain distance but lose strength when you use a thick syringe to "drive" a thin syringe.
What is the syringe's operating principle?A sliding plunger pump called a syringe is designed to fit securely inside a tube. A liquid or gas can be drawn into or released from the syringe through an aperture at the open end of the tube by pulling or pushing the plunger within the exact cylindrical tube, or barrel.
What does Pascal law on needles mean?A force was generated inside the first syringe, the tubing, and the second syringe when we depressed the first plunger. Pascal's law states that a fluid's pressure in a closed container is uniform throughout the entire container.
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Post an original post with your thoughts about the usefulness of the codes of ethics and/or issues that occur because software engineering does not meet the Bureau of Labor and Statistics requirements to be a profession.
Answers
A federal organization called the US Bureau of Labor Statistics (BLS) is in charge of gathering and examining information about the American labour force and economy.
The US Department of Labor's Bureau of Labor Statistics (BLS) is entrusted with disseminating accurate, timely, and pertinent data regarding the US labour market. Policymakers, companies, and individuals utilise this data to guide decisions on employment, pay, and general economic trends. The BLS gathers and disseminates information on a wide variety of labour market-related issues in the US, such as employment and unemployment, cost and inflation, productivity, and working conditions. This information is used to track the state of the US economy as a whole and to keep an eye on developments in different sectors and demographic groupings. The monthly Employment Situation report, one of the BLS's most well-known offerings, gives a thorough picture of the American labour market.
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What is the safe psi pressure for acetylene
Answers
Answer:
15psig
Explanation:
A sheet of steel 1.5 mm thick has nitrogen (N2) atmospheres on both sides at 1200°C and is permitted to achieve steady-state diffusion condition. The diffusion coefficient for N2 in steel at this temperature is 6 ´ 10-11 m2 /s, and the diffusion flux is found to be 1.2 ´ 10-7 kg/m2 -s. Also, it is known that the concentration of N2 in the steel at the high-pressure surface is 4 kg/m3 . How far into the sheet from the high-pressure side will the concentration be 2.0 kg/m3 ? Assume a linear concentration profile.
Answers
Answer:
do the wam wam
Explanation:
1. What most commonly joins the structural panels of
a unibody?
(A) Spot welds
(B) Adhesives
(C) Bolts
(DJ Nuts
Answers
Answer:
a
Explanation:
becasue it is
Not all projects that engineers work on will have human factors involved.
List some projects that do and do not.
What are some additional examples?
Outline what particular types of human factors would be considered with each.
Provide examples to clarify your responses.
Answers
Projects that don't have human factors involved are:
The Use of Artificial Intelligence to Power Road Construction Robots;End to End robotic Automobile production line.Other projects that require human factors are;
Traditional road construction projects;Traditional building construction projects.What are the human factors for Road Construction?The role of human factors includes but is not limited to:
Operation of Heavy-Duty VehiclesHuman Resources (taking care of people)Finance operations (Finance and Accounting) etc.At construction sites, excavation is one of the roles of humans. Another instance is injuries, compensation, etc is the work of the Human Resources Officer.
Human factors include environmental, organizational, and job elements, as well as human and individual qualities that influence workplace behavior and can have an impact on health and safety.
Human-factors engineering has been applied to simple equipment such as highway signs, telephone sets, hand tools, and stoves, as well as a wide range of contemporary, sophisticated complexes such as data systems, automated warehouses, and factories. robots, and space vehicles.
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true/false. many auto repair shops now hire only ase-certified technicians.
Answers
The statement "Many auto repair shops now hire only ASE-certified technicians" is false.
While ASE (Automotive Service Excellence) certification is highly regarded in the automotive industry, it is not a requirement for all auto repair shops to exclusively hire ASE-certified technicians.
ASE certification is a voluntary certification program that allows technicians to demonstrate their knowledge and expertise in specific areas of automotive repair and service.
It serves as a benchmark of competency and professionalism in the field. Many technicians pursue ASE certification to enhance their credentials and career prospects.
However, the decision to hire ASE-certified technicians ultimately depends on the individual auto repair shop's policies, requirements, and preferences.
Some shops may prioritize ASE certification and prefer to hire certified technicians to ensure a certain level of skill and expertise. However, there are also many competent and skilled technicians who may not hold ASE certification but have gained experience and expertise through other means such as vocational training or on-the-job experience.
Therefore, while ASE certification is highly valued and sought after, it is not a universal requirement or practice for all auto repair shops to hire only ASE-certified technicians. Hiring decisions may vary based on the specific needs and preferences of each individual shop.
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