Both Technician A and Technician B are correct in their statements about the inertia switch. The inertia switch is a safety feature that is designed to cut off power to the fuel pump in the event of a collision or impact.
It has a reset button that must be depressed for at least one second before the pump will operate again, as stated by Technician A. However, the inertia switch is also triggered by the ABS control module, as stated by Technician B.
The ABS control module monitors the vehicle's speed and braking system, and can activate the inertia switch if it detects a sudden decrease in speed or an impact. Therefore, both technicians are correct in their statements about the inertia switch.
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at what stage in a turbine engine are gas pressures the greatest?
The greatest gas pressures in a turbine engine are typically seen in the combustion chamber. This is the section where fuel is burned, and the resulting hot gases are used to power the engine's turbines.
The pressure in the combustion chamber can reach several times atmospheric pressure, with some designs capable of producing pressures of up to 80 bar.
The reason for the high pressure in the combustion chamber is due to the need to generate sufficient force to drive the turbines. As the gases expand and exit the combustion chamber, they are directed through a series of turbine blades that convert the pressure and heat energy into rotational force. The greater the pressure in the combustion chamber, the greater the force that can be produced by the turbines.
It is worth noting that while the combustion chamber typically has the highest gas pressures in a turbine engine, other sections of the engine may experience significant pressure differentials. For example, the compressor section must generate enough pressure to compress incoming air and feed it into the combustion chamber, while the exhaust section must manage the pressure of the exiting gases to maintain efficient engine operation.
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thì nghiệm nén xác định cường độ của bê tông trên ba mẫu thí nghiệm hình trụ HxD=300x150(mm). kết quả thu được lực phá hoại P1=45200daN, P2=46800daN, P3=46000daN. hãy xác định cường độ chịu nén của bê tông theo TCNV 3118:1993
spanish
Explanation:
the above question is written in spanish
Consider atmospheric air at 25 C and a velocity of 25 m/s flowing over both surfaces of a 1-m-long flat plate that is maintained at 125 C. Determine the rate of heat transfer per unit width from the plate for values of the critical Reynolds number corresponding to 105 , 5 105 , and 106 .
Answer:
Explanation:
Temperature of atmospheric air To = 25°C = 298 K
Free stream velocity of air Vo = 25 m/s
Length and width of plate = 1m
Temperature of plate Tp = 125°C = 398 K
We know for air, Prandtl number Pr = 1
And for air, thermal conductivity K = 24.1×10?³ W/mK
Here, charectorestic dimension D = 1m
Given value of Reynolds number Re = 105
For laminar boundary layer flow over flat plate
= 3.402
Therefore, hx = 0.08199 W/m²K
So, heat transfer rate q = hx×A×(Tp – To)
= 0.08199×1×(398 – 298)
An axial flow pump is to discharge 5 cusecs at an operating speed of 1450 rev/min. The inner and outer diameters of the impeller are to be 5.5 in. and 11 in. respectively. If the head developed according to the vector triangles is 20 ft, determine the angle of the vane tips at the inner and outer diameters and the corresponding diffuser blade angle (the diffuser blades are the stationary blades after the impeller).
Answer:
if you want it to go faster add chain
Explanation:
Determine the required diameter of a steel transmission shaft 10 meters in length and material yield strength 350 MPa in order to resist a torque of up to 500 N.m. The shaft is supported by frictionless bearings at its ends. Design the shaft using the maximum shear stress theory, and selecting a factor of safety of 1.5. Neglect shaft weight.
Answer:
0.02795 m
Explanation:
Neglecting shaft weight Design the shaft using maximum shear stress theory and determine the required diameter
factor of safety = 1.5
length of shaft = 10 meters
material yield strength = 350 MPa
Torque = 500 N.m
The required shaft diameter = 0.02795 m
attached below is a detailed solution of the problem
9. [10] construct a table showing the hexadecimal numbers between 0016 and 2016 and their binary equivalents.
The constructed table shows the hexadecimal numbers from 0x00 to 0x20 and their corresponding binary equivalents, providing a comprehensive reference for conversion between the two number systems.
To construct a table showing the hexadecimal numbers between 0016 and 2016 and their binary equivalents, we have to convert each hexadecimal number to binary. Let's write down the table of Hexadecimal and Binary equivalents:
Hexadecimal Binary 00100000000001.0000000000000010000000000101.0000000000000010000000000111.0000000000000010000000001001.0000000000000010000000010001.0000000000000010000000100001.0000000000000010000001000001.0000000000000010000010000001.0000000000000010000100000001.0000000000000010001000000001.0000000000000010010000000001.0000000000000010100000000001.0000000000000011000000000001.0000000000000100000000000001.0000000000001000000000000001.0000000000010000000000000001.0000000000100000000000000001.0000000001000000000000000001.0000000010000000000000000001.0000000100000000000000000001.0000001000000000000000000001.0000010000000000000000000001.0000100000000000000000000001.0001000000000000000000000001.0010000000000000000000000001.0100000000000000000000000001.0110000000000000000000000001.1000000000000000000000000001.1010000000000000000000000001.1100000000000000000000000001.1110000000000000000000000010.0000000000000000000000000010.0000000000001
We can see that the table consists of the numbers 0 to F (in hexadecimal) and their respective binary equivalents.
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Why is electrical power transmitted at such high voltages in large distribution systems?.
Answer:
Increase efficiency
Explanation:
I come from a family of electricians
discuss the benefits of modern communication technology
Answer:
talk to people
Explanation:
you can communicate with people around the world and in different area
for the first order system which is described by G(s)=10\s+3 answer the following question A) what are the values of time constant and gain B) calculate the settling time. C) Calculate the response of the system to a unit step input after a long time lim t-infinity C(t). D) Sketch the response of the system to a unit step input and label x and y axes.
Given that the first order system is described by G(s) = 10/s + 3. Therefore, the values of time constant and gain are as follows:A) Time constant (τ) = RC = 1/3Gain (K) = 10B) Settling time (ts) is given by the formula, ts = 4/σσ = 1/τSettling time ts = 4 τ = 4 x 1/3 = 4/3 secondsC)
The response of the system to a unit step input after a long time limt→∞ C(t) is given by, limt→∞ C(t) = K = 10D) Sketch of the response of the system to a unit step input: We know that the transfer function for a first-order system is given by:G(s) = K/(τs + 1)In the given case, G(s) = 10/(s + 3)To sketch the response of the system to a unit step input, we use the following steps: Step 1: Find the time constant (τ)τ = 1/3Step 2: Find the final value of the response: limt→∞ C(t) = KG(s) = 10/ (s + 3)
At steady-state, when t → ∞, C(t) = 10Step 3: Find the response of the system to a unit step input as a function of time (t):C(t) = K[1 - e^(-t/τ)]For a unit step input, K = 10Therefore, C(t) = 10[1 - e^(-t/3)]Step 4: Sketch the graph of C(t) with respect to time (t) and label the x and y-axis. The graph of C(t) with respect to time (t) and label the x and y-axis is shown below:
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technician a says that loose fan belts are usually destroyed more rapidly than belts that are adjusted too tight. technician b says that too tight adjustment on poly-v fan belts can destroy bearings. who is correct?
The bearings and shaft experience additional loads as a result of this increased tension. Bearings' lifespans might be shortened by excessive stress.
Explain about poly v belt?The inside of the Poly-V Belt, also known as the Ribbed Belt, is lined with longitudinal v-shaped ribs. These ribs give the pulley and the belt a bigger surface area to contact, which increases friction force. Compared to a flat belt or rubber v-belt of the same size, the belt can convey more power as a result.
The Poly-V Belt's design ensures superior protection for all reinforcing cords, resulting in a more even load distribution. The Poly-V Belt also serves as a guide for a belt tensioner or idler pulley. Less space is needed for Poly-V Belt drives, and the Belt can be stretched under higher tension.
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What car is this? I thinks its a nissan 240sx but i dont know
Answer:
your right I had to look a little bit but you are correct
A 1500-ft long horizontal and non-fractured well with 6-in. radius is completed in a 55-acre drainage area. The formation net pay is 75 ft thick with the net to gross ratio of 0.9 and has a porosity of 6.5%. The formation permeability values are 2 md and 15 md in vertical and horizontal directions, respectively with the relative permeability to oil of 0.82. The oil has a viscosity of 0.55 cp and the formation volume factor is 1.22 bbl/STB. Earlier test conducted at this well resulted in the calculation of a skin value of 0.8. The correction factor for wellbore friction is 1.0.
Determine the Productivity Index (PI) for this well
The productivity index (PI) for this well is 6.9 STB/day/psi.
The Productivity Index (PI) for this well is approximately 6.9 STB/day/psi.What is Productivity Index (PI)?Productivity index (PI) is a performance metric used to assess the capacity of an oil or gas well to produce hydrocarbons. It is a measure of the well's productivity that relates to the pressure drop across the wellbore's reservoir section and the flow rate of fluids (oil, gas, or water) from the reservoir into the wellbore.When the PI value is high, it means the well is very productive. When the PI is low, it means that the well is not very productive.The formula for the Productivity Index (PI) is as follows:PI = (2πkhd)/(μln(r_e/r_w) + s)Where:k = average permeability, mdh = net reservoir thickness, ftμ = fluid viscosity, cpd = drainage area, acr = wellbore radius, fts = skin factorPI Calculation:Given data,Net pay thickness (h) = 75 ftNet to gross ratio = 0.9Porosity (φ) = 6.5%Average permeability, k = 2 md and 15 md in the vertical and horizontal directions, respectivelyRelative permeability (kro) = 0.82Oil viscosity (μ) = 0.55 cpFormation volume factor (Bo) = 1.22 bbl/STBWellbore radius (rw) = 6 in. or 0.5 ftDrainage area (Ad) = 55 acres = (55 × 43560) ft² = 2395800 ft²Well length (L) = 1500 ftSkin value (s) = 0.8Correction factor for wellbore friction = 1.0The first step is to calculate the effective drainage radius (re) using the formula,re = (0.00708 × (φ^2) × (kh/μ))^(1/2)× (kro/Bo) × ln(r_e/r_w)Let's plug in the values of given parameters,re = (0.00708 × (0.065^2) × ((2+15)/2/μ))^(1/2) × 0.82/1.22 × ln(r_e/r_w)re = (0.04226/μ)^(1/2) × ln(r_e/r_w)We know, k = 2 md and 15 md in vertical and horizontal directions. So we use the harmonic average permeability.1/kh = 1/2 + 1/15kh = 2.14 mdUsing μ = 0.55 cp, the effective drainage radius is calculated as,re = 174.86 ftUsing the formula of PI,PI = (2πkh)/[μln(re/rw) + s]PI = (2 × 3.1416 × 2.14 × 1500)/(0.55 × ln(174.86/0.5) + 0.8)PI = 6.9 STB/day/psi.
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How even should the cranking compression be between the lowest and highest cylinder readings on an engine without mechanical problems
Answer:
It should be within 10%
Explanation:
Cranking compression is simply the pressure that builds up inside cylinders when the valves are closed and the piston then moves up the bores to lead to compression of the mixture.
Cranking compression is normally measured in pounds per square inch (PSI).
When checking cranking compression, we should be looking for signs of replication between cylinders. It means that each cylinder should build pressure within about 5 percent of the others under the same number of starter revolutions. Thus, the variation between the highest and lowest readings should not be more than 10%
The storage tanks are on a platform placed next to the building at the second-floor level. Based on the potential hazards, are there any concerns about the space immediately below the tanks
The should be no concerns about the space immediately below the tanks because there will be no damage to anything if any peril causes the tank to falls.
What are potential hazards?Potential hazards refers to the active source for potential damage on a building, structure etc
It is important we know that the storage tanks are placed on a platform next to the building at the second-floor level but nothing beneath the tanks stands.
Hence, there should be no concerns about the space immediately below the tanks because there will be no damage to anything if any peril causes the tank to falls.
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built sod houses used dry farming techniques used barbed wire fences burned cow and buffalo chips for fuel windmills pumped water steel plow used for tough soil what would be the best title for the box above? responses
farmers adapted to the environment on the huge plains is the right response (option C). built sod homes, employed dry agricultural methods, erected barbed wire fences, and utilized cow.
Windmills sold water, and steel was used to make difficult oil. How Farmers Adapted to Conditions on the Great Plains might be the ideal heading for this paragraph. We are discussing how farmers changed their way of life as the West was opened up. West of the Mississippi River is where you'll find the Great Plains. It is a vast, flat, dusty, environment area that significantly impacted the farmers who lived there, forcing them to innovate and build a variety of items in order to survive or live in better conditions, notably with reference to farming methods.
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The complete question is-
Built sod houses , used dry farming techniques , used barbed wire fences , burned cow and buffalo chips for fuel , windmills pimped water , steel pow used for tough oil . What would be the best title for these ? A. Methods used by forty niners to stake claims. b. Sources of conflict between ranchers and farmers. C. How farmers adapted to conditions on the great plains. D. How american indians and western farmers cooperated
7. The ____ is a device that connects a stationary object to a fall restraint vest.
A. restraint
B. tie-off
C. lanyard
D. sling
The lanyard is a device that connects a stationary object to a fall restraint vest. The correct option is C. lanyard
How to explain the informationThe answer is C. lanyard. A lanyard is a short length of rope or chain with a snap hook on one end that is used to connect a fall restraint vest to a stationary object. The other end of the lanyard is attached to the vest.
The other options are incorrect. A restraint is a device that prevents someone from moving freely. A tie-off is a secure attachment point for a lanyard. A sling is a piece of fabric that is used to support a load.
The correct option is C
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Technician A says that a range shift is used to select high or low gear ratios within the transfer case. Technician B says that a mode shift is used to select two wheel drive or four wheel drive. Which technician is correct
Technician A says that a range shift is used to select high or low gear ratios within the transfer case is true while Technician B is false.
What is this shift about?A range shift is known to often take place when there is either high or low speed ratio of the given transfer case that is known to be selected.
Note that A range shift arrangement is known to be seen for moving a gear reduction unit that is found between a low-range operating speed and also that of a high-range operating speed.
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multiple select question select all that apply which of the following are craft unions? multiple select question. electricians plumbers pipe fitters auto workers
Some of the craft unions are listed below: ElectriciansPlumbersPipe fitters. Therefore, the correct answer is A, B, and C.
Auto workers are not part of the craft unions. They belong to industrial unions or trade unions that represent a particular industry or profession.The definition of a craft union is one in which the members are skilled workers who perform particular types of work.
These workers are usually required to undergo an apprenticeship program, which trains them in the craft that they are going to work in. Craft unions are typically focused on workers who have similar skills, and they are often restricted to certain professions or trades.
So, correct options are option A, B, and C.
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Answer:plumbers
pipe fitters
electricians
Explanation:
Which of the following is the most concrete and specific?
Building, White House, Shelter, or House.
The most concrete and specific term among the options provided is the White House. It refers to a particular building located in Washington, D.C., which serves as the official residence and workplace of the President of the United States. It has a distinct identity, history, and purpose, making it a highly specific and easily identifiable structure.
The White House is a globally recognized symbol of American governance and power. Its specific architectural design, located at 1600 Pennsylvania Avenue, sets it apart from generic buildings or houses. Unlike the terms "building" or "house," which can encompass a wide range of structures, the White House refers to a singular and iconic edifice with a rich historical significance. Its unique purpose as the center of American political leadership makes it the most concrete and specific option among those provided.
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when an ideal gas undergoes an isothermal expansion or compression process, the boundary work can be calculated using all of the below equations except for which of following? p1v1ln(v2/v1) nrt ln(v2/v1) p1v1ln(p1/p2) mrtln(p2/p1)
The temperature of the system remains unchanged during expansion. There is heat exchange between both the system and the environment during the process. The system should be compressed or expanded at a slow pace so that the system allows appropriate heat exchange and keep the temperature constant.
The P-V curve in an isothermal process where:
PV = constant = C
⇒ dP / dV = – P / V
Work done in the isothermal process:
In this process, the gas follows Boyle’s law, and the work done by the gas is,
\(W = nRTln(\frac{V_2}{V_1} )\)
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Describe a project in which you would use a pleater, ruffling foot, or gathering foot. Explain each of these tools and choose the one that might be necessary for the project you are describing.(FASHION DESIGN)
A project that requires using a pleater, a ruffling foot, or a gathering foot is the creation of a dress.
A pleater, a ruffling foot, and a gathering foot are all accessories for sewing machines or machines themselves that help fashion designers to give the fabric a different shape or texture, and therefore create unique pieces.
Pleater: This tool includes multiple needles that go through the fabric to create multiple pleatsRuffling foot: This is usually an accessory for sewing machines to create rufflesGathering foot: This tool is used to create gathers in fabric, these differ from ruffles because they are smaller and more subtle than rufflesAll of the tools can be used in the creation of a dress, for example, a pleater can be used in the top section of the dress to give it a nice texture and make it different from the skirt. In the same way, others such as the ruffling foot or the gathering foot can be used in the sleeves of the dress.
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in what way can using graphing calculators aid students in understanding mathematical concepts?
Using graphing calculators can aid students in understanding mathematical concepts by providing visual representations, facilitating problem-solving, and promoting conceptual connections.
How can graphing calculators assist students in comprehending mathematical principles?Graphing calculators are valuable tools that enhance students' understanding of mathematical concepts in several ways. Firstly, they provide visual representations of mathematical functions and data, enabling students to visualize abstract concepts and grasp the relationships between variables.
Secondly, graphing calculators allow students to solve complex problems efficiently by performing calculations and generating graphs simultaneously. This feature promotes active exploration and experimentation, fostering a deeper understanding of mathematical principles.
Lastly, graphing calculators facilitate the establishment of conceptual connections by allowing students to investigate multiple representations of mathematical concepts, such as equations, graphs, and tables. This encourages critical thinking and helps students develop a holistic understanding of the subject matter.
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what is japan currently making with an electromagnet?
Japan's most recent development is the Linear High-Speed Train, which travels at extremely fast speeds thanks to electromagnetic fields.
Are there magnetic trains in Japan?Japan has led the world in advanced rail technology ever since the Shinkansen bullet train was invented in the 1960s. Japan's most recent development is the Linear High-Speed Train, which travels at extremely fast speeds thanks to electromagnetic fields. A test version of the new technology recently set a world record for a manned vehicle with a speed of 581 kilometers per hour, after fifty years of development.
A brand-new motor known as a superconducting linear motor powers the train. The idea behind this is that magnets work. You probably already know that a magnet's north and south poles attract one another, whereas two poles that are the same (north and north, or south and south) repel one another. Using the attracting and repelling forces generated by coils in the tracks and magnets inside the train, the new technology applies this principle to propel the train forward.
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Explain why reinforcement steel bars are not being used in the present concrete pavement
Concrete pavement is often unreinforced, depending on the type of concrete used, the base it is placed on, and design considerations specific to the project. Flexible concrete actually performs better without reinforcing bars except at stress locations such as angled segments and sharp curves. Because the design mix allows the hardened, cured concrete to flex before it cracks/breaks, rebar would actually contribute to cracking if it flexes.
Where reinforcing is critical is in bridging, that is, where a section isn’t on solid base material. When placed on structural base where a sufficient CPR or LBR (California Bearing Ration or Limestone Bearing Ratio) is achieved, the base is a material that is compacted and stiff/hard enough to support the full weight of the concrete plus the designed load of traffic. In locations where soft material isn’t or cannot be mitigated by overexcavating and filling with stronger material for subgrade and base, reinforcing bars are needed.
One thing to note is that even though the slab may not need to be reinforced, joints are usually dowelled with steel bars so that slabs remain flush if settling does occur. These are often 3/4 inch or one inch steel bars that are slipped through the formwork so that half is in one slab, and half in the adjacent. One ends is sometimes greased to allow the dowel to slide when the slabs expand and contract.
Other methods are used in highway pavement, such as steel fiber reinforcement, polyester fiber reinforcement, and others, that are blended into the concrete when it is mixed.
Still other techniques are used to mitigate cracks caused by expansion/shrinkage in pavement slabs, like entraining air, using shrinkage reducing admixtures, controlling slump during placing, and curing with membranes to slow dehydration after the concrete is placed. This answer is applicable to the region where I work, in the southeast U.S., and probably different climates have different needs, particularly very cold climates, or places where stable ground conditions are difficult to achieve.
Its not essential. . . but it can be used to assist in crack control.
I have designed thousands of square m of airfield pavement (which takes far higher loads than roads) which has all been unreinforced.
compare or contrast absolute and secondary instruments
Answer:
contrast absolute
Explanation:
Answer: The difference between absolute and secondary instruments are tabulated below. The values of the quantity to be calculated in terms of physical constants and their deflection are given by Absolute Instruments. Secondary instruments are tools whose production is calculated to give the quantity's value.
A carpentry hammer with a slightly rounded (or convex) face, used to drive the mail head flush without damaging the surface of the work, is called a ____
A carpentry hammer with a slightly rounded or convex face used to drive the nail head flush without damaging the surface of the work is called a "finishing hammer".
Finishing hammers are specifically designed for final carpentry work, where the appearance of the finished surface is important. The rounded face helps to prevent marring or denting the material while driving nails.
The handle of a finish hammer is typically made of wood or fiberglass, providing a comfortable grip and absorbing some of the shocks from the striking force. These hammers are commonly used in woodworking, cabinetry, and other fine carpentry applications.
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Engineers at MIT have developed a photonic crystal that works in conjunction with solar cells to double their efficiency. These crystals convert - from the sun into wavelengths of light
O AmperO heatO GlasscubesO Enterprise
Engineers at MIT have developed a photonic crystal that works in conjunction with solar cells to double their efficiency. These crystals convert wavelengths of light from the sun into a higher-energy light that solar cells can convert into electricity.
The scientists at the Massachusetts Institute of Technology (MIT) have developed a photonic crystal to maximize the efficiency of solar cells. These crystals increase the efficiency of solar cells by converting sunlight into higher-energy light that solar cells can then convert into electricity.Photonic crystals are made up of materials that have a regular, repeating structure with precise dimensions that are smaller than the wavelengths of light they interact with. When the light encounters the crystal, it interferes with the electromagnetic waves, resulting in particular wavelengths being redirected, reflected, or stopped altogether. This is referred to as "bandgap," which happens when some wavelengths of light are unable to pass through the crystal's structure. Photonic crystals' bandgap properties make them particularly valuable in the advancement of solar cell technology. The bandgap property of the photonic crystal works by concentrating the sunlight's energy on the solar cells, resulting in more energy conversion. This energy efficiency has a significant impact on the viability of solar cells as a clean energy source. Thus, this is how the photonic crystal works in conjunction with solar cells to double their efficiency.for more such question on photonic
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Does anyone know this
Is this a v6 or a v8?
The picture attached appears to be a V8. This is because it has 8 plugs which suggests that it also has 8 cylinders.
What is a v8?The V8 engine is a formidable internal combustion engine featuring eight cylinders that are shaped like the letter "V". Praised for its veracity, uninterrupted operation, and distinct exhaust sound, this engine finds more conventional usage in vehicles requiring top-notch performance.
Notably, sports cars, muscle cars, and pickup trucks often depend on the V8 design to deliver superior power and torque output.
The engineering of the V8 goes beyond regular engines with fewer cylinders - making it a favorite among advent enthusiasts all over the world. Furthermore, automakers produce various sizes and configurations of V8 engines to fit diverse automobile purposes.
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Liquid methanol is pumped from a large storage tank through a 1-in.ID pipe at a rate of 3.00gal/mm.
(a) At what rate in (i) ft · lbf/s and (ii) hp is kinetic energy being transported by the methanol in the pipe?
(b) The electrical power input to the pump transporting the methanol must be greater than the amount you calculated in part (a). What would you guess becomes of the additional energy? (There are several possible answers.)
a) (i) The kinetic energy rate in ft.lbf/s is 0.00771
(ii) kinetic energy being transported by the methanol in the pipe is 1.40 x 10⁻⁵ hp
b) Additional energy is dissipated into other forms. The larger part is heat energy, but also dissipated in light, sound and vibrations.
What is kinetic energy?
The ability of an object to do work by virtue of its motion.
The mass flow rate expressed as
m= 3.00 gal.mm x 1000/264.17L/gal x 0.792 kg/L x 2.20462 / 60= 0.330 lb/s
The velocity is determined by the continuity equation
u= Q/A =[ 3.00 x 35.3145/(264.17x60) ] / π (1/12)²/4
u = 1.225 ft/s
The rate of kinetic energy transport is
K.E = 1/2 x (0.330) x (1.225)² = 0.00771 ft-lb/s
Thus, the kinetic energy rate in ft.lbf/s is 0.00771
The rate of kinetic energy in hp is
K.E = 0.00771 x 1.341 x 10⁻³ /0.7376
K.E = 1.40 x 10⁻⁵ hp
The kinetic energy being transported by the methanol in the pipe is 1.40 x 10⁻⁵ hp
b) The major amount of heat energy is dissipated. The other forms of energy is light, sound and vibrations.
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