A Structural Engineer build bridges, buildings, dams, tunnels, tanks, power plants, transmission line towers and space satellites.
Who is a Structural Engineer ?A Structural Engineer can be defined as a professional who has been trained and licensed to analyze, plan and build different structures such as:
BridgesBuildingsDamsTunnelsThis ultimately implies that, the building of bridges, buildings, dams, tunnels, tanks, power plants, transmission line towers and space satellites are done by Structural Engineers.
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what's the voltage supplied to the light fixtures in the communication room of the manufacturing facility?
a.208V
b.120V
c.277V
d.480V
The voltage supplied in the communication room to the light fixtures can be 120 volts or 277 volts respectively.
Options B and C are the correct answers.
What is voltage?
Voltage is the electric force that makes the charges move which creates an electric current.
The light fixtures are the component of light that is being attached to the wall or a ceiling that holds any kind of lighting element. For instance, the holder of a bulb in which it is fixed is treated as a light fixture. The general voltage produces by a light fixture is 120 volts but preferable should be at 277 volts.
Therefore, all the volts except which is mentioned in options A and D cannot correspond to the voltage of light fixtures.
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Transformation is the change of one energy form to another.
O True
O False
A composite wall is composed of two layers, each with constant properties. the thermal conductivity of layer 1 is twice that of layer 2. for steady-state conduction with no thermal generation, the correct temperature distribution is:
Given the indices stated above, the correct temperature distribution is: k1 = 2k2. See the definition of temperature distribution below.
What is temperature distribution?The Solution to the linear heat flow equation is what is known as thermal distribution.
It measures heat transfer with respect to normal or natural phenomena such as:
Irradiationconduction; andconvection.Learn more about temperature distribution at:
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Silicon chips are used primarily in ?
Answer:
4th generation computers
Silicon chips are used primarily in relays. The correct option is B.
What are silicon chips?The brain of the device is made up of silicon chips, which control all of its internal mechanisms. Tablets, smartphones, and laptops are a few examples.
The invention of silicon chips led to the revolutionization and miniaturization of technology, as well as the creation of the contemporary computer.
Instead of the slow computers that used to take up entire rooms, it made it possible to create fast computers that fit in people's homes and eventually portable computers.
Relays are electrically powered switches that operate by receiving electrical signals from other sources to open and close circuits.
Therefore, the correct option is B. relays.
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The question is incomplete. Your most probably complete question is given below:
A. integrated circuits
B. relays
C. motors
D. transformers
When reassembling a locking hub mechanism, it is a good idea to replace the: Group of answer choices retaining plate. all snap rings. bearing seal. axle shafts.
When reassembling a locking hub mechanism, it is a good idea to replace the bearing seal.
What is a bearing seal?It should be noted that the bearing seal is used to prevent contaminants from reaching the inside of the parts and also from preventing the lubricant leaking.
In this case, when reassembling a locking hub mechanism, it is a good idea to replace the bearing seal.
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Chemicals pose a variety of hazards. Name six (6) types of health hazards.
Chemicals pose a variety of hazards the six (6) types of health hazards are Corrosives, Irritants, Sensitizers, Carcinogens, Mutagens,Flammable.
How do you become aware of chemical dangers?To become aware of if a substance is dangerous, test the product's box label and/or the SDS that is to be had from the supplier. If a product isn't categorized as a dangerous chemical beneathneath the Work Health and Safety Act 2011, a SDS isn't required and consequently might not be availableIn the workplace, we discover varieties of chemical dangers: fitness dangers and physicochemical dangers.1Asphyxiants.
There are many varieties of dangerous chemicals, such as neurotoxins, immune agents, dermatologic agents, carcinogens, reproductive toxins, systemic toxins, asthmagens, pneumoconiotic agents, and sensitizers.
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1.Which thematic group uses technology to direct the behavior of dynamical systems, ensuring that they behave in a predictable manner?
2.Which thematic group creates circuits with miniature, packaged components that directs and control electricity?
a.Communication Systems
b.Control Systems
c.Computer Systems
d.Energy Systems
e.Electronic Systems
Control systems govern the behavior of dynamic systems, while electronic systems are the ones that package the tiny components needed to conduct electricity. Thus, option E is correct.
What exactly are thematic groups?Thematic groups are made up of individuals who focus on the same theme or idea. Thematic teams working on various initiatives and concepts are made up of individuals with experience in various systems.
The function of the control system has been to regulate dynamic systems in order to bring about the desired result.The function of the electronic system thematic group is to package electronic miniatures in systems that play the job of directing electricity. Thus, option E is correct.Learn more about thematic group, here:
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The velocity of the water jet discharging from the orifice can be obtained from v=\12ih, where h = 2 m is the depth of the orifice from the water surface. Determine the time for a particle of water leaving the orifice to reach point B and the horizontal distance x where it hits from surface.
The time for a particle of water leaving this orifice to reach point B and the horizontal distance are 0.553 seconds and 3.46 meters respectively.
How to calculate the time?First of all, we would determine the velocity of the water jet discharging from the orifice by using this formula:
V = √(2gh)
V = √(2 × 9.81 × 2)
V = 6.264 m/s.
Next, we would determine the time taken to reach point B as follows:
S = Sa + Uy(t) + ½at²
-1.5 = 0 + 0(t) + ½ × (-9.81) × t²
t = 0.553 seconds.
Now, we can determine the horizontal distance:
x = xa + Vt
x = 0 + 6.264(0.553)
x = 3.46 meters.
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A prairie house built by Frank Lloyd Wright. The house has rectangular angles, close to the ground, and a bank of windows. The building is made of brick. The house above has an overall __________ emphasis. a. vertical b. horizontal c. diagonal
The house has an overall horizontal emphasis.
What is emphasis?Emphasis in architecture is the strategy that is used to draw the viewer's attention to a design.
Here, the house has rectangular angles, close to the ground, and a bank of windows. This depicts a horizontal axis.
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____ lanes give drivers the time and space to reduce their speed to what is posted and/or prepare for the sharpness of the curve
Exit lanes give drivers an ample time and space to minimize (reduce) their speed to what is posted and prepare them for the sharpness of the curve.
What is a speed limit?A speed limit is the maximum amount of speed that is legally permitted in an area for safety. Hence, this limit must be abided and strictly adhered to by all road users such as drivers of a vehicle.
As a safety precaution, Exit lanes are constructed to give drivers an ample time and space to minimize (reduce) their speed to the required speed limit posted and prepare them for the sharpness of the curve.
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Suppose that out of 500 lottery tickets sold, 200pay off at least the cost of the ticket. Now supposethat you buy 5 tickets. Find the probability that youwill win back at least the cost of 3 tickets.
The probability that one will win back at least the cost of three tickets is approximately 0.31744. This is solved using Binomial Distribution Model.
What is the Binomial Distribution Model?
The Binomial Distribution Model is a mathematical model of probability that allows one to decipher the probability of success of a group of possibilities within a range of specifically repeated processes.
What is the calculation for the above?Given that non-losing tickets (n) is: 5
Tickets gotten with non-losing probability p = 2/5 = 0.4
Note that probability here is given as:
Pr [X ≥ 3] = [tex]\sum_{x=3}^{5}.[/tex][tex]\binom{n}{x}[/tex] pˣ (1-p)ⁿ⁻ˣ
→ [tex]\sum_{x=3}^{5}.[/tex][tex]\binom{n}{x}[/tex] (0.4)ˣ (0.6)⁵⁻ˣ
= 992/3125
= 0.31744
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Refrigerant 134a passes through a throttle valve as part of a refrigeration cycle. The fluid enters the valve as compressed liquid at a pressure of 0.8 MPa and a temperature of 25 C. It exits the valve at -20 C. Find the exit pressure and the exit specific internal energy.
The exit pressure will be 1.3273 bar = 0.1327 MPa and the exit specific internal energy 228.61 KJ/Kg .
1.) In graph,
1-2 = Compressor
3-4 = Throttle value
[tex]T_{1} \\[/tex] = [tex]T_{4}[/tex] = -20°C = 253 K
[tex]T_{3}[/tex] = 25°C = 298 K
[tex]P_{3}[/tex] = 0.8 MPa
Assuming saturated fluid is entering the value at point (3),
using table of R-134a properties
∵ [tex]h_{3} =h_{4}[/tex] = 234.49 KJ/Kg (at 25°C,8 bar)
at [tex]T_{3}[/tex] = 25° , [tex]P_{3}[/tex] = 0.8 MPa =8 bar
At -20°C, [tex]hf_{4}[/tex] = 173.6 KJ/Kg
[tex]hg_{4}[/tex] = 386.6 KJ/Kg
[tex]h_{4} = hf_{3} + n_{4} ( hg_{4} - hf_{4} )[/tex] = 234.49
173.6 + [tex]n_{4}[/tex] [386.6 - 173.6] = 234.49
[tex]n_{4}[/tex] = 0.285
[tex]P_{4} = P_{1} = P_{sat}[/tex] = 1.3273 bar = 0.1327 MPa
2.)
Exit specific internal energy, using table R-134a
[tex]U_{4} = uf_{4} + n_{4} (ug_{4} - uf_{4} )[/tex]
at -20°c, [tex]uf_{4}\\[/tex] = 173.65, ufg = 192.85 KJ/ Kg
[tex]U_{4}[/tex] = 173.65 + 0.285 (192.85)
[tex]U_{4}[/tex] = 228.61 KJ/Kg
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The selective thickness shims are measured with a(n): Group of answer choices hydraulic press. outside micrometer. dial indicator. depth micrometer.
The selective thickness shims are measured with an outside micrometer.
What is a micrometer?It should be noted that a micrometer simply means an instrument for making precise linear measurement of dimensions.
In this case, the selective thickness shims are measured with an outside micrometer.
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An open tank contain oil of specific gravity 0.75 on top of
water. If the depth of oil is 2m and the depth of water is 3m.
calculate the gauge and absolute pressures at the bottom of the
tank when the atmospheric pressure is 1bar
Let's not take into account atmospheric pressure.
Pressure P = Pressure of oil column + Pressure of water column
= h1 . d1.g + h2.d2. g
=( 0.5 x 800 x 9.8) + ( 1x 1000x 9.8) = 3920+ 9800 = 13720
Hence guage pressure at bottom is
P= 13720 N/ m^2
What are the minimum and maximum required footing projections for a concrete footing having a thickness of 8 inches
The minimum and maximum required footing projections for a concrete footing having a thickness of 8 inches will be 4 inches and 8 inches.
What is projection?It should be noted that footing projections are important for construction purposes
In this case, the minimum and maximum required footing projections for a concrete footing having a thickness of 8 inches will be 4 inches and 8 inches.
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what is the last item on the vehicle starting checklist
The last item on the vehicle starting checklist before a driver begins to travel is for the driver to release the service brake.
What does it mean to release the brake?The Release Parking Brake message implies that your parking brake is said to be currently engaged and as such one needs to release the parking brake before one can be able to drive the vehicle.
Therefore, The last item on the vehicle starting checklist before a driver begins to travel is for the driver to release the service brake.
See full question below
what is the last item on the vehicle starting checklist before a driver begins to travel?
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You should have at least a ___ mph speed advantage when passing another vehicle
A driver should have at least a 10 mph speed advantage when overtaking (passing) another vehicle.
What is a speed limit?A speed limit refers to the maximum amount of speed that is legally permitted or allowed in a specific area for safety. Thus, this limit must be abided and strictly adhered to by all road users such as drivers of a vehicle.
According to the highway traffic code and regulations, a driver should have at least a 10 mph speed advantage when overtaking (passing) another vehicle.
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5. A 15-nC point charge is at the origin in free space. Calculate V₁ if point P, is located at
P₁(-2,3,-1) and
(a) V0 at (6,5,4).
(b) V-0 at infinity.
(c) V5 V at (2,0,4).
. In the counter-current heat exchanger, the liquid food is cooled from 73°C to 38°C at the rate of 2500 kg h', using water at 15°C which leaves the heat exchanger at 40°C. The pipework 2.5cm in diameter is constructed from stainless steel 3mm thick; the surface film heat transfer coefficients are 1200 Wm³K on the liquid food side and 3000Wm³K-¹ on the water side of the pipe. Calculate the Overall heat transfer coefficient and the length of pipe required (Note: specific heat of water and liquid food is 4.18 kj/kg°C and 3.17 kj/kg C respectively) (6marks).
The Overall heat transfer coefficient and the length of pipe required was 9.48x10 J and the length of pipe required is 57m.
What is the supposed via way of means of heat transfer?Warmness transfer, all or any of numerous forms of phenomena, taken into consideration as mechanisms, that deliver power and entropy from one place to another. The unique mechanisms are commonly known as convection, thermal radiation, and conduction.
1/U= 1/ha+x/k+1/hk=1/1200+3/21+1/3000= 1.31 x 10^-3.Now U= 763.6 Wm^-2-C-1.To length of pipe required= Q = UAdelta m.= A=3.142xDl= l =4.48/3.142x0.025=57 m.Read more about the length :
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the plastic region of the stress-strain curve for a metal is characterized by:
The plastic region of the stress-strain curve for a metal is mainly characterized by a power function known as the flow curve.
What is the plastic region?The plastic region of a stress-strain curve can be defined as the portion where some permanent deformation occurs in a material, even if the load is removed.
Based on scientific information and records, the plastic region of the stress-strain curve for a metal is mainly characterized by a power function known as the flow curve.
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What line separates two lanes traveling in the same direction
Answer:
White lane lines separate lanes of traffic moving in the same direction. (UK)
a set of several wires wrapped in tape or enclosed in a plastic sheath is referred to as
Answer:
A. Wire Harness
A 7-hp (shaft) pump is used to raise water to an elevation of 15 m. If the mechanical efficiency of the pump is 82 percent, determine the maximum volume flow rate of water.
The maximum volume flow rate of water is determined as 0.029 m³/s.
Power of the pump
The power of the pump is watt is calculated as follows;
1 hp = 745.69 W
7 hp = ?
= 7 x 745.69 W
= 5,219.83 W
Mass flow rate of waterη = mgh/P
mgh = ηP
m = ηP/gh
m = (0.82 x 5,219.83)/(9.8 x 15)
m = 29.12 kg/s
Maximum volume rateV = m/ρ
where;
ρ is density of water = 1000 kg/m³V = (29.12)/(1000)
V = 0.029 m³/s
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When starting a vehicle with an automatic transmission, be sure the gear selector is set in (P)ark or ________.
When starting a vehicle with an automatic transmission, be sure the gear selector is set in (P)ark or (D)rive.
What are automatic cars?Automatic cars are those who have automatic options for shifting of gears. We do not have to adjust the gears by ourselves.
These cars have mode of Park, if we are moving the car, to start the car we must change it from Park to drive mode.
Thus, the fill the blank is Drive.
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name the three exposure techniques in photolithography. what are the alternatives to photolithography in ic processing?
The three exposure techniques in photolithography are:
ContactProximityProjectionAlternatives to photolithography in IC processing include;
X-rayUVIon, andElectron lithographyWhat is Photolithography?Photolithography is a term in integrated circuit development that describes the patterned films that are formed when a beam of light falls on a substance.
This phenomenon protects the surface of sensitive materials such as glass during some operations like etching. UV and X-rays can be used for this purpose.
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You will get 50 points after giving proper answer
Answer:
i don't know
please mark me brainlist
Role of energy consumption in formulating energy policies.
The Role of energy consumption in formulating energy policies are:
It is the regulatory framework on which global attractiveness is built.It helps widen access to electricity.It helps improve clean cooking fuels.It helps in elimination of deadly air pollution.What is the importance of energy policy?Energy policy is known to be a vital factor in economic development as it is known to be the total regulatory framework that helps to know the boast in global attractiveness and others.
Note that he Role of energy consumption in formulating energy policies are:
It is the regulatory framework on which global attractiveness is built.It helps widen access to electricity.It helps improve clean cooking fuels.It helps in elimination of deadly air pollution.Learn more about Energy policy from
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The elbow joint is designed to allow flexing (bending) and extension (straightening) of the forearm. What specific structural combination at the elbow joint prevents it from hyperextension (bending backward)
The specific structural combination at the elbow joint that prevents it from hyperextension is olecranon process and olecranon fossa on humerus.
What is olecranon process?
Olecranon process of the ulna forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended.
What is olecranon fossa on humerus?The olecranon fossa is a deep triangular depression on the posterior side of the humerus, superior to the trochlea.
It provides space for the olecranon of the ulna during extension of the forearm.
Thus, the specific structural combination at the elbow joint that prevents it from hyperextension is olecranon process and olecranon fossa on humerus.
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A cantilever beam AB of length L has fixed support at A and spring support at B.
The spring behaves in a linearly elastic manner with stiffness k. If a concentrated
load P is applied at B, use any type of method to find:
(i) the force in the spring
Fb
,
(ii) the downward displacement
B
of end B. (15%)
The force in the spring will be [tex]F =\dfrac{KPl^3}{3EI}[/tex].
The deflection of the beam will be [tex]\rho[/tex] = [tex]0.15(\dfrac{KPL^3}{3EI})[/tex]
What is a cantilever beam?A rigid, horizontally extending structural member known as a cantilever is supported at only one end. Typically, it extends from a solidly affixed flat vertical surface, such as a wall.
Given that:-
A cantilever beam AB of length L has fixed support at A and spring support at B.The spring behaves in a linearly elastic manner with stiffness k. If a concentrated load P is applied at B.The spring force will be calculated as:-
[tex]F = kx[/tex]
Deflection will be given by:-
[tex]x = \dfrac{PL^3}{3EI}[/tex]
The spring force will be calculated by:-
[tex]F = \dfrac{KPL^3}{3EI}[/tex]
The deflection of the beam will be given as:-
[tex]\rho = \dfrac{0.15KPL^3}{3EI}[/tex]
Therefore the force in the spring will be [tex]F =\dfrac{KPl^3}{3EI}[/tex]..The deflection of the beam will be [tex]\rho[/tex] = [tex]0.15(\dfrac{KPL^3}{3EI})[/tex]
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What part connect to the tie rod that helps the brake chamber out that deals with slack adjuster
Answer:
none
Explanation:
