The camshaft moves in the engine block from back to front is referred to as end play. It is also known as how far the camera will "walk."
Only Roller Camshafts are subject to end play. Tapered lobes on flat tappet cams push the camshaft toward the rear of the engine block. Mechanism of the Valve and Gear Train The movement of the crankshaft is synchronized with the movement of the camshaft and the valves using a gear train or valve timing device. A thin calibrated plastic strip serves as a plastic gauge. It can be used to measure gaps and check bearing clearance. It is utilized at locations on crank or connecting rod bearings where a micrometer measurement cannot be made quickly.
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14. calculate the stopping distance if landing with a 10 knot headwind on a runway at 7000 ft. msl (assume icao standard conditions).
The stopping distance is 4500 m/s
How to calculate stopping distance ?The distance travelled between the moment the body decides to stop a moving vehicle and the moment the vehicle comes to a complete stop is known as the stopping distance. The stopping distance, indicated by the letter d, is dependent on a number of variables, including as the road's surface and the driver's reflexes.
You must maintain a sufficient distance from the vehicle in front of you so that, if necessary, you can safely stop to avoid colliding with the vehicle.
Given ,
Initial velocity = 7000
That is half of intial velocity = 450
Stopping distance = 450*10
= 4500 m/s
Therefore the stopping distance is 4500 m/s
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A long, V-shaped part is heat treated by suspending it in a tubular furnace with a diameter of 2 m and a wall temperature of 925 K. The "vee is 1-m long on a side and has an angle of 60 Furnace, T Part, Tp If the wall of the furnace and the surfaces of the part may be approximated as blackbodies and the part is at an initial temperature of 300 K, what is the net rate of radiation heat transfer per unit length to the part, in W/m?
The part's net radiation heat transfer rate, expressed as a rate per unit length, isQ=123.4Kw/m
Given
temperature of 925 K
diameter of 2 m
we know that F11+f12+f13=1
F11+F13=1
so
F11=F13=0.5
A1F13=A3F31
=2L*1*0.5
2*1*1*0.5
A1F13=1
Similary F23 =1
A3F32=2
Therefore
A1F13=1
A3F32=2
T3=925k
T1=T2=300k
Q=1*σ*(925⁴-300⁴)+2*σ*(925⁴-300⁴)
=3*σ*(925⁴-300⁴)
=3*5.67*10⁻⁸*(925⁴-300⁴)
Therefore net radiation heat transfer rate
Q=123.4Kw/m
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a neural network using a perceptron to distinguish between apples and oranges, based on three sensor measurements (shape, texture and weight). now you are to design a perceptron to distinguish between bananas and pineapples:
Neural networks are a collection of algorithms that mimic the functioning of an animal brain in order to connect vast amounts of data.
A neural network is a set of algorithms that mimics how the human brain works in order to find hidden connections in a piece of data. Neural networks are systems of neurons that can have an organic or artificial origin in this context.
Since neural networks are capable of adapting to changing input, they can produce the optimal results without having to change the output criterion. The artificial intelligence-based idea of neural networks is quickly gaining favor in the design of trading systems.
Neural networks are a collection of algorithms that mimic the functioning of an animal brain in order to connect vast amounts of data.
As a result, they frequently mimic the synapses and connections between neurons in the brain.
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The reading on the 0 to 25 mm micrometer provided is
A. 15.20
B. 15.70
C. 15.45
D. 0.1520
Based on the image attached, the reading of micrometer is= 15.20.
What do the numbers on a micrometer represent?You will see a line of numbers running down the barrel of your micrometer, starting with the barrel scale. On the barrel scale, each number corresponds to 0.100. Looking at the barrel, 1 equals 0.100, 2 equals 0.200, 3 equals 300, and so on. The distance between each tick mark and the larger numbers on the barrel is 0.025, or 25 thousandths.
Note that micrometer is one that is also referred to as a micrometer screw gauge—is a tool with a calibrated screw that is frequently used for precise measurement of components in mechanical engineering, and others.
Looking at the image, you will see the stop ends at 15 and and 20 so adding them together will be option A. 15.20.
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an open-delta three-phase transformer system has one transformer center-tapped to provide a neutral for single-phase voltages. if the voltage from line to center tap is 277 v, what is the high-leg voltage? if a single-phase load is connected across the two line conductors and neutral of the transformer above and one line has a current of 80 a and the other line has a current of 68 a, how much current is flowing in the neutral conductor?
480 V is the high-leg voltage. 12 A of current is passing through the neutral conductor.
What's current ?
In a full electrical circuit, current refers to the speed at which electrons move past a certain point. Current = flow, at its most fundamental level. The international unit for measuring current is an ampere (AM-pir), sometimes known as an amp. It describes how many electrons (sometimes referred to as "electrical charge") travel past a certain point within a circuit over a specified period of time. In a circuit, a current of 1 ampere corresponds to the movement of 1 coulomb of electrons, or 6.24 billions billion (6.24 x 1018) electrons, through a single location in a second.
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What is a branch interval? Select one: A. Secondary drain of the waste water drainage system within a building B. A vent branch through the roof of a building C. Total length of pipe measured along the centerline of the pipe D. Section of soil or waste stack corresponding to one story in height
Section of soil or waste stack corresponding to one story in height is branch interval.
What is a branch interval ?A branch interval is a distance along a soil or waste stack that corresponds to a story height, but not less than 8 feet, within the horizontal branches that connect one floor or story of a structure to the stack.Determine the number of fixture units discharging into the stack first when sizing the stack for three branch intervals. The stack must be as large as the largest connecting branch. Determine the number of fixture units that are discharging into the stack next. Calculate the number of fixture units that discharge into each branch interval. The stack must be as large as the largest connecting branch.To learn more about branch interval refer :
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6.in a typical structural steel floor or roofing framing, there are three types of elements, called primary, secondary and tertiary elements. explain what these are and what materials they consist of.
Steel is the emaerial used because it is stated that the floor is made of steel. Any material, such as wood, steel, or composite, may be used for roof framing.
Primary elements are the main member in floor system which transfer the load coming on to the element from secondary beam elemnts.The main beams will be joined to the building's columns. The two most common shapes are H and W sections. Secondary elements, which span between principal beams, often accept the slab's weight before passing it on to the primary elemnts. The primary components are joined to the secondary beams for load transfer. Secondary elements are seldom ever employed. If employed, they function as a load transfer system from the slab to the secondary element or as a means of strengthening the floor system to lessen deflection. The top chord and bottom tie members are the main components of roof framing. The weight is transferred from the purlins to the columns or wall via these elements. often have a double-angle or channel section. Tie and the chord member between the top are secondary components.Ther are subjected to compression and tension and transfer forces to the primary elements.
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Explain on a structural basis the differences in the glass transition temperature of polyethylene ( =-140°C), polyvinylchloride (T-87 C), and polysityrene (Tg= 100 c)
The "glass transition" temperature is the point at which it happens. For instance, low-density polyethylene has a glass transition temperature, or Tg, of about 100°C.
He claims that the fact that the Tg of PVC/CF composite is higher (86.7 °C) than the Tg of pure PVC (76.8 °C) suggests that there is a physical contact between the polymer and the CF surface, which reduces chain mobility and free volume and increases Tg. Pressure and free volume. Increased surrounding pressure causes a decrease in free volume, which ultimately results in increased Tg. The glass transition temperature of polymers is also significantly influenced by other elements such as branching, alkyl chain length, bond interaction, flexibility of the polymer chain, film thickness, etc.
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assume a natural convection heat transfer on a vertical flat plate surrounded by a fluid. where will be the fully developed turbulent layer of fluid established, if the plate is hotter than the fluid?
A vertical flat plate with a fluid-enclosed natural convection heat transfer The fully developed turbulent layer of fluid will be established at the top of the plate if the plate is hotter than the fluid.
Thermal engineering's field of study known as "heat transfer" deals with the production, use, conversion, and exchange of thermal energy across physical systems. The classification of heat transmission into different methods includes thermal conduction, thermal convection, thermal radiation, and energy transfer through phase changes. When you hold a hot cup of coffee, heat is transferred into your hands by conduction. Heat is transferred by convection while the barista "steams" cold milk to produce hot chocolate. Microwave-assisted rewarming of a cold cup of coffee. Radiation, convection, and conduction are the three methods through which heat may be moved. The direct transmission of energy from one molecule to another is known as conduction. In many fields, including automotive engineering and the thermal management of electronic devices and systems, heat transfer techniques are applied.
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Some analysts believe that the exclusion of some traditional partners from the "democratic camp" by the United States will deepen the gap between the two sides; the invitation of some countries or regions suspected of "democratic retrogression" will affect the "credibility" of the summit.
The exclusion of some traditional partners from the "democratic camp" by the United States will undoubtedly deepen the gap between the two sides.
About summit :
This move by the US is seen as a sign of its dissatisfaction with the policies and behavior of these countries. In addition, the invitation of some countries or regions suspected of "democratic retrogression" may lead to further erosion of the credibility of the summit in the eyes of the invited countries, as well as the international community. At the same time, it is worth noting that the United States must consider the consequences of such actions and the possible damage to its international image. If the US is seen as selectively choosing partners, it may undermine its overall influence in the world.
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technician a says that fiber gaskets are the best and most commonly used gaskets in modern diesel engines. technician b says that mls gaskets are the most commonly used head gaskets. who is correct?
Technician b is correct Because he says the most widely used head gaskets are mls gaskets, accordingly.
A gasket is a mechanical seal that fills the gap between two or more mating surfaces, usually to stop leakage into or out of the joined objects while they are compressed. A method akin to papermaking is used to create fiber gasket material. Spread out fiber strands are impregnated with a resin substance. As it dries, it forms sheets that can be easily shaped-cut. Gaskets with varying strengths, compressibilities, and temperature ratings are made using a wide variety of fiber types. An O-ring or washer, also referred to as a gasket, closes the space between two surfaces. According to their intended use, these items are typically made of rubber and come in a variety of sizes and shapes. Flat gaskets are the most prevalent kind of gasket.
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Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following two different pathways. The first pathwayis A (3.00 atm, 20.0 L) to C (1.00 atm, 20.0 L) to D (1.00 atm, 50.0 L); and the second pathway is A (3.00 atm, 20.0 L) to B (3.00atm, 50.0 L) to D (1.00 atm, 50.0 L). In each case, the gas is taken from state A to state D.33. Calculate wAB.a. 0b. 90 L•atmc. –90 L•atmd. –30 L•atme. 30 L•atm34. Calculate wAC.a. 0b. 30 L•atmc. –30 L•atmd. 90 L•atme. –90 L•atm35. Calculate q AB.a. 135 L•atmb. –135 L•atmc. 225 L•atmd. –225 L•atme. none of these36. Calculate q AC.a. 60 L•atmb. 100 L•atmc. –60 L•atmd. –100 L•atme. none of these
The calculated answer is 90 L atm, a pure gas made up only of atoms. The noble gases argon, krypton, and xenon are some examples.
Consider a monatomic perfect gas with m-mean particles that don't interact and a resting mass center. An ion with only one atom is referred to as a monatomic ion or simple ion. A polyatomic ion is one that has more than one atom, even if they are all from the same element.
From the information provided:
The first route:
A (1 atm, 20 L), C (3 atm), and D (1 atm, 50 L)
The second route:
A (3 atm, 50 L), B (3 atm, 20 L), and D ( 1 atm, 50 L)
Because one mole equals one mole,
to locate wAB;
The conversion is depicted as A B occurring under constant pressure.
∴
Pressure x Volume Change = wAB
V2 - V1 = wAB
atm = wAB ( 50 L - 20 L)
atm = wAB ( 30 L)
wAB=90 L.atm
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a 02-series deep-groove ball bearing is considered as an application with the inner ring rotating, with a design life of 25 kh at a speed of 350 rev/min. the radial load is 2.5 kn and an application factor of 1.2 is appropriate. the reliability goal is 0.90. find the catalog rating c10 with which to enter a bearing table and select an appropriate size bearing.
In this case, the C10 catalogue rating would be 14.
How does bearing work?
A bearing is a component of a machine that limits relative movement to only that motion that is intended and lessens friction between moving elements. The bearing's design may, for instance, permit rotation around a fixed axis or free linear motion of the moving part. It may also serve to prohibit motion by managing the vectors of normal forces acting on the moving parts. Most bearings reduce friction in order to enable the desired motion. According to the sort of operation, the motions permitted, or the direction of the loads (forces) supplied to the parts, bearings can be widely categorized.
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a fiber optic cable consists of four basic components. using the illustration below, match each illustration label on the left with the correct component name on the right.
The five primary parts of a fiber optic cable are the core, cladding, coating, reinforcing fibers, and cable jacket.
The five primary parts of a fiber optic cable are the core, cladding, coating, reinforcing fibers, and cable jacket. While copper wire of the same length is more expensive than fiber optic cable, fiber optic cable connectors and the tools required to install them are often more expensive. However, during the past few years, optical fiber has grown more cost-competitive due to a greater emphasis on preserving digital information.
Integrators should be familiar with fiber optic cable since it can accommodate the changing demands of government AV/IT end users. Here is a glimpse at a fiber optic cable's structure.
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rq 11-7. explain the difference between the view and the modify functions in the storage and access model of configuration management. g
The "view" function is the retrieval of an artifact for the goal of analyzing the artifact and can be completed by all at all times. The "modify" function is the retrieval of an artifact with the goal of creating modifications to the artifact. Thus, in the case of modification, only those authorized must be allowed to carry out the characteristic. In addition, to prevent conflicts, while an artifact X is retrieved for modification, that X is locked from a different modify function until it is returned. X may still be regarded by others.
View and modify is one of the most feature that you can be find in storage. View makes you can see what content you need to view for. Meanwhile, modify is the feature that allows you to change or make modification on your content.
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.what is the generator for this design? b. what is the resolution of this design? c. estimate the factor effects. which effects are large? d. does a residual analysis indicate any problems with the underlying assumptions? e. draw conclusions about this filling process
The response variable was the weight of the package's standard deviation. The plan and collected data are as follows.
a)the generator for this design is E=-ABCD
b)the resolution of this design is I=-ABCDE Therefor the resolution of the design is V.
c)estimate the factor effects there is 3 larger effcts namely E=-0.4700,BE=-0.4050,DE=-0.3150
d)Construct a linear regrassion model.The constant is estimated by the grand average and the regression coefficent are estimated by one-half the corresponding effect estimates.
If the underlying assumptions have any issues, the residual analysis will show them.
Y=1.22625+0.04375x₂-0.01875x₄+0.2350x₅-0.08125x₂x₄-0.1575x₄x₅
e)The standard deveation of package weight is affected the most by the dealy between mixing and packing,factor E.Also, its intreaction with the temperature factor B,BE and with the batch weight factor D,DE are important.
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technician a says that liner protrusion can be measured with a flat bar and feeler blades. technician b says a dial indicator mounted on a sled should be used. who is correct?
You must use cylinder liner shims or a bigger flange height cylinder liner to increase the protrusion height if the new cylinder liner falls short of the engine manufacturer's specifications.
One of the most frequent reasons for low oil pressure is when the oil level falls below the minimum dipstick line. Even if you just had an oil change, this could occur at any time. Engines burn oil more fast with time. This is brought on by the deterioration of piston rings, leaking seals, etc. Engine temperature, which ultimately determines the temperature that the oil reaches, is the most frequent source of excessive oil pressure. Oil pressure increases might also be a result of broken engine parts.
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two technicians are discussing a vehicle with oil found in the air cleaner. technician a says that excessive blow-by could be the cause. technician b says that a kinked pcv valve hose could be the cause. who is correct?
The technicians are both accurate. Wearing valve guides or piston rings may result in excessive blow-by, and a crimped PCV valve hose may let oil into the air cleaner.
What is a piston?
Among other related systems, pistons are found in reciprocating engines, revolving pumps, gas compressor, hydraulic cylinders, and pneumatic cylinders. It is the bevel gear that is enclosed in a cylinder and sealed off from the gas by piston rings. Its function in an engine is to use a piston rod and/or connection rod to transmit force from the expanding gas within the cylinder to the crankshaft.
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A pressure gauge that can be modeled as an LTI system has a time response to a unit step input given by y(t) = (1 - e^-t -te^-t)u(t). From the step response determine the transfer function. For an unknown input x(t), the output is observed was y(t) = (2 - 3e^-t + e^-3t)u(t). From this observed measurement, determine the true pressure x(t) that was applied to the gauge.
A pressure gauge that can be modeled as an laplace transform system has a time response (2+4e^-3t)4t is the input x(t), the output is observed was y(t) = (2 - 3e^-t + e^-3t)u(t)
Response to unit step for a pressure gauge= (1 - e^-t -te^-t)u(t).
Taking laplace transform
Y(s)=1/1/s+1-1/(s+1)²
Y(s)=1/s(s+1)²
Input = U(t) so X(s)=1/s
Transfer function of system Y(s)/x(s)
H(s)=Y(s)/X(s)=1/s(s+1)²/1/s=1/(s+1)²
Y(s)=2/s-3/s+1+1/s+3
=6/s(s+1)(s+3)
X2(s)=2/s+4/s+3
X2(t)=(2+4e^-3t)4t
The Laplace transform is an integral transformation that turns a given derivative function with a real variable (t) into a complex function with a variable (s). Assuming f(t) satisfies a set of later-explained conditions, let's say it is given for t 0.
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which indoor pollutant is commonly used in building materials, carpet backing, furniture, foam insulation, plywood, and particle board? a. radon b. asbestos c. formaldehyde d. polyethylene terephthalate (pet) e. polycarbonate plastic
The indoor pollutant formaldehyde is frequently found in furniture, foam insulation, carpet backing, plywood, and particle board.
Some household products, including carpet, particleboard, draperies, wallpaper, furniture fabrics, glues and adhesives, tobacco smoke, some personal care items, and some foam insulation, release formaldehyde. The symptoms of carbon monoxide exposure are brought on by methylene chloride, which the body converts to carbon monoxide. Particle board, plywood, foam insulation, carpet backing, and furniture are all frequently found in building supplies. The burning of leaded fuel and metal processing are the two main sources. Once ingested, lead can build up in the body and have a variety of negative effects. Adults who are exposed to high levels of lead may experience problems with their nervous, cardiovascular, or reproductive systems. Your brand-new carpet or cabinet may be poisoning you subtly with benzene, ethylene glycol, or formaldehyde.
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Erosional retreat of a ______ leads to enlargement and extension of a wave-cut platform in the inland direction.
A wave-cut platform grows and extends inland as a result of the erosional retreat of a wave-cut cliff.
A wave-cut platform, beach platform, coastal bench, or wave-cut cliff is the short flat area typically found at the base of a sea cliff or along the shoreline of a lake, bay, or sea that was produced by erosion. Wave-cut platforms are frequently most noticeable during low tide, when they are revealed as huge expanses of flat rock. The platform may occasionally have its landward side covered by sand, creating a beach, and then become invisible unless during low tides or storms when the sand is moved.
Wave-cut platforms are created when damaging waves strike the cliff face and create an undercut between the high and low water marks. This undercut is primarily caused by abrasion, corrosion, and hydraulic action, which results in a wave-cut notch.
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to determine the maximum likelihood estimation, computerized adaptive testing (cat) software weights all of the following except .
To determine the maximum likelihood estimation, computerized adaptive testing (CAT) software weights all of the following except ability.
What is CAT testing software?A type of computer-based test called computerized adaptive testing (CAT) adjusts to the examinee's degree of proficiency. It has also been referred to as customized testing for this reason.In other words, it's a type of computer-administered exam where the choice of the next item or group of things is based on how accurately the test-taker answered the most recent series of questions.Based on what is known about the examinee from prior questions, CAT picks questions in a sequential manner to maximize test accuracy. From the perspective of the test taker, the exam's complexity appears to be tailored to their level of competence.Learn more about CAT testing software refer to :
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in a p -n junction, the n-doping nd is doubled. how do the following change if everything else remains unchanged? indicate only increase or decrease. (a) junction capacitance (b) built-in potential (c) breakdown voltage (d) ohmic losses
In a p-n junction, option c is accurate because the is double. the values below change if everything else stays the same and they only indicate a rise or fall in breakdown voltage.
Breakdown voltage It is the voltage at which current in a forward biased PN junction begins to flow or increases. When reverse voltage is present, junctions break down and reverse current increases quickly. The depletion layer's width narrows. The depletion layer becomes wider. A diode's breakdown voltage specifies the highest reverse voltage that can be used without exponentially increasing the leakage current in the diode. A diode won't necessarily be destroyed if its breakdown voltage is exceeded, but it will be if its current capacity is. To create an ionization path through the dielectric, the open gap voltage must increase before current can flow.
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______________________ refers to a programming model used within Hadoop that performs the two major steps for which it is named: the map step and the reduce step.
Map Reduce refers to a programming model used within Hadoop that performs the two major steps for which it is named: the map step and the reduce step.
What is meant by MapReduce?A parallel, distributed algorithm called MapReduce is a programming model with an accompanying implementation for handling and producing large amounts of data on a cluster. A map method, which performs filtering and sorting, and a reduce method, which does a summary operation, make up a map reduction programme.MapReduce was created primarily to address the need for an easy method of managing computationally demanding tasks in a parallelized, scalable, and fault-tolerant manner across large clusters of machines.MapReduce is incredibly effective and useful for a wide range of issues, however it is not the solution to all issues. There will be a significant performance hit if the Reduce step generates too much data because the index created in the Map step is only one dimension.To learn more about MapReduce refer :
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technician a says that diesel engines supply only enough air to completely burn all the fuel in the combustion chamber. technician b says that diesel engines supply excess air to the combustion chamber to completely burn all the fuel in the combustion chamber. who is correct?
Engineers may create diesel engines with higher compression ratios than gasoline engines because diesel has a higher compression resistance and is denser than light distillate fuels.
The thermal efficiency of an engine increases with increasing compression ratio. Shaker, circulation, and spray jet systems are three ways that engine oil is utilized to assist in cooling pistons. the diesel engine. a fuel-burning engine that runs on diesel. Fuel oil is directly injected into the cylinders of a diesel engine. The air itself is hot enough to ignite the diesel fuel without a spark due to the extreme compression. Cycle with four strokes.
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hydraulic systems utilize pascal's principle by transmitting pressure from one cylinder (called the primary) to another (called the secondary). a certain hydraulic system is designed to exert a force 95 times as large as the one put into it. show answer no attempt 33% part (a) what must be the ratio of the area of the secondary cylinder to that of the primary cylinder?
The ratio of the area of the secondary cylinder to the area of the primary cylinder must be 95:1 .
What is ratio ?
A ratio in mathematics demonstrates how many occasions one number is present in another. For instance, if a dish of fruit contains eight oranges and six lemons, the ratio of orange to lemons is 8 to 6 (that is, 8:6, which is equivalent to the ratio 4:3). The ratio of oranges to the overall amount of fruit is 8:14, and the ratio for lemons to oranges is 6:8 (or 3:4). (or 4:7). A ratio can have any number of quantities, such as count of people or things or measurements of length, weight, time, etc. Both numbers must be positive in most situations.
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5/90 determine the reactions at a for the cantilever beam subjected to the distributed and concentrated loads.
Az = 0, Ay = 8 kN, and MA = 21 kN m CCW are the reactions at a for the cantilever beam subjected to the distributed and concentrated loads.
What happens when a cantilever beam?The bending moment and moment reaction are equivalent at the cantilever beam's wall. The bending moment is 0 at the free end. The associated bending moment reaches its highest value at the point where the shear force crosses the zero axis.
What is the cantilever beam formula?And Kef f=3EI/L3x is the effective spring constant for a point force applied to the cantilever's end. The displacement at the end of the beam is w(x=Lx)=qL48EI, and the restoring force, Keffw, opposes the applied force.
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The time complexity for searching an element in a binary search tree is a. O(n) b. O(log n) c, 0(n log n) d, 0(#2) 20. The time complexity for inserting an element into a binary search tree is a. O(n) b. O(log n) c. O(n log n) d, 0(#2)
The time complexity for searching and inserting an element in a binary search tree is O(n). Thus, for both questions option, 'A' holds the correct answer.
A binary search tree is a node-based data structure that has the following properties: the left subtree of a node has only nodes with keys lesser than the node’s key; the right subtree of a node has only nodes with keys greater than the node’s key; the right and left subtree each must also be a binary search tree. The major three operations to be performed on a binary search tree are searching, inserting, and deleting an element. The time complexity for all these operations is O(n). Since, searching, inserting, and deleting an element in a binary search tree requires traversing all elements, giving the worst-case time complexity of O(n).
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g florida international university pedestrian bridge collapse capacity, the ability of the material/structure to safely resist load without breaking or damage, depends on?
The ability of the material/structure to safely resist load without breaking or damage, depends on Ductility.
What is Ductility?A material's ability to be drawn from is known as its ductility, a mechanical property (e.g. into wire). The amount of plastic deformation under tensile stress that a material can withstand before failing is known as ductility in the field of materials science. Engineering and manufacturing both place a high priority on ductility.
It specifies a substance's suitability for particular manufacturing processes (like cold working) and its ability to withstand mechanical overload. Copper and gold are a couple of the metals that are typically referred to as ductile. All metals, however, do not necessarily fail ductilely; some, like cast iron, can fail brittlely. Because they typically permit plastic deformation, polymers can be thought of as ductile materials.
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technician a says that when using plastigauge, plastigauge that becomes wider indicates a smaller oil clearance between a crankshaft and main bearing. technician b says the plastigauge will become narrower when bearing oil clearances are smaller. who is correct?
Each Tech is correct. The clearance between the crankshaft and X and Y on the bearing is measured using plactigage, according to Tech A, while the clearance is measured using a dial indicator, according to Tech B.
A thin calibrated plastic strip serves as a plastic gauge. It can be used to measure gaps and monitor bearing clearance. It is utilized at locations on crank or connecting rod bearings where a micrometer measurement cannot be made quickly. You must use cylinder liner shims or a bigger flange height cylinder liner to increase the protrusion height if the new cylinder liner falls short of the engine manufacturer's specifications.
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