Neither of the technicians are correct.
Who is a technician?A technician simply means an individual who looks after the technical equipments in a company.
In this case, the teeth of the synchronizer are not rounded, the synchronizer can be reused. This shows that he is incorrect likewise technician B.
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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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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:
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A ball is thrown vertically up with a velocity of 80 ft/sec at the edge of a 200-ft cliff. Calculate the height h to which the ball rises and the total time t after release for the ball to reach the bottom of the cliff. Neglect air resistance and take the downward acceleration to be 32.2 ft/sec.
Answer:
y = ut + [tex]\frac{1}{2}[/tex][tex]at^{2}[/tex] , y = 80t - [tex]\frac{1}{2}[/tex][tex]32.2t^{2}[/tex]
for y = -200 ft,
-200 = 80t - [tex]16.1t^{2}[/tex] or [tex]16.1t^{2}[/tex] - 80t - 200 = 0
t = 80 ± [tex]\frac{\sqrt{80^{2} + 4(16.1)(200) }}{2(16.1)}[/tex] = 6.80 sec. ( or - 1.83 s)
For y = 0, [tex]u^{2}[/tex] = [tex]u_{o}^{2}[/tex] + 2ay, y = h = [tex]\frac{0-80^{2} }{-2(32.2)}[/tex]
= 99.4 ft.
Explanation:
Hope this helped, please message me if I made a mistake!
-Matt
____ grinders are used to grind diameters, shoulders, and faces much like the lathe is used for turning, facing, and boring operations.
Answer:
Cylindrical
Explanation:
A cylindrical grinder is a tool for shaping the exterior of an item. Although cylindrical grinders may produce a wide range of forms, the item must have a central axis of rotation. Shapes such as cylinders, ellipses, cams, and crankshafts are examples of this. Cylindrical grinding machines are specialized grinding machines that are used to process cylinders, rods, and similar workpieces. The cylinders revolve in one direction between two centers, while the grinding wheel or wheels are close together and rotate in the other direction.
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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(a)Identify the relevant population for the below foci, and suggest the appropriate sampling
design to investigate the issues, explaining why they aare appropriate. Wherever necessary
identify the sampling frame as well.
A public relations research department wants to investigate the initial reactions of heavy soft-
drink users to a new all-natural soft drink
The relevant population for the below foci example is a small population and:
When a firm wants to investigate the first response of heavy fruit drink uses to a new all natural fruit drink and the best sampling to use random sampling.What is Simple random sampling?This is known to be a kind of probability sampling where the researcher randomly takes a subset of participants from a given population.
Note that the member of the population has an equal chance of being selected and as such, in the case above, The relevant population for the below foci example is small population and:
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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
Determine the minimum number of 120-volt, 20-ampere circuit breakers for a continuous load consisting of 63 feet of track lighting to be installed in a dress shop. Calculate the number of circuits to the larger whole number.
If we have 20-ampere circuit breakers. The number of circuits to the larger whole number is: 13.
Number of circuitsReceptacles on a single strap= 180 VA each.
Hence,
VA of the circuit=(Volts x Amperes)/One receptacle
Let plug in the formula
VA of the circuit=(120 volts x 20 amperes)/180 VA
VA of the circuit= 2,400 VA (circuit)/180 VA
VA of the circuit = 13 circuits
Therefore the number of circuits to the larger whole number is: 13.
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what is automechanic
Answer:
An auto mechanic is a mechanic who services automobiles, sometimes specializing in one or more automobile brands or sometimes working with any brand. In repairing cars, their main role is to diagnose the problem accurately and quickly.
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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20. A spur gear pinion and gear shown on a drawing have a diametral pitch of 12. The pitch radius of the pinion is 1.500 inches and the gear ratio is
specified to be 1:3. On the print, you would expect the pitch diameter of the gear to be
OA. 9.00 inches.
On the print you would expect the pitch diameter of the gear to be 9.00 inches. Option A is right.
How to solve for the diameterGear ratio = 1/3
This is solved as number of teeth on pinion / teeth on gear
= Np/Ng
The pitch diameter = 1.5 x 2
= 3
Diametral pitch = 12
NP = 3 x 12 = 36
This is the teeth on piston
Ng = 3NP
Ng = 3 * 36
= 108
Hence pitch diameter = 108/12 = 9
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You will get 50 points after giving proper answer
Answer:
i don't know
please mark me brainlist
The complete stress distribution obtained by superposing the stresses produced by an axial force and a bending moment is correctly represented by _______.
The complete stress distribution obtained by superposing the stresses produced by an axial force and a bending moment is correctly represented by F/A - (My)/(Iz).
What is the distribution of pressure at some stage in bending?Compressive and tensile forces expand withinside the path of the beam axis beneath neath bending loads. These forces set off stresses at the beam. The most compressive pressure is observed on the uppermost fringe of the beam whilst the most tensile pressure is positioned on the decrease fringe of the beam.
The bending pressure is computed for the rail through the equation Sb = Mc/I, wherein Sb is the bending pressure in kilos in keeping with rectangular inch, M is the most bending second in pound-inches, I is the instant of inertia of the rail in (inches)4, and c is the space in inches from the bottom of rail to its impartial axis.
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Nonshielded cable with a 1.5-inch diameter should have a minimum bending radius of
A. 1.5 in.
B. 12.0 in.
C. 3.0 in
D. 18.0 in.
Answer:
c is the answer because we have to double the number
A non-shielded cable should have a 3.0 in minimum bending radius and a 1.5 in maximum diameter. As a result, choice (C) is the right response.
What are shielded and unshielded cable?Based on their architecture, these cables are typically divided into two classes: shielded cables and unshielded cables.
Shielded twisted pair (STP) cable is another name for shielded cables. It has distinct wire pairs that are foil-wrapped. To offer double protection, these pairs are wrapped one more time. The shielding aids in preventing EMI and other technical problems that can jeopardize the signal integrity.
Unshielded cable, also known as unshielded twisted pair cable (UTP), is a type of cable in which the individual wire pairs are simply wrapped in foil without any additional layers of protection. Office settings with low traffic are best suited for unshielded wires.
Hence option (C) is accurate.
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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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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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Getting the bottom of your feet burned when walking on hot sand is due to what form of energy transmission? group of answer choices
Getting the bottom of your feet burned when walking on hot sand is due to a form of energy transmission known as conduction.
The types of energy transmission.In Science, there are three (3) main types of energy transmission and these include the following:
ConvectionRadiationConductionIn this scenario, we can infer and logically conclude that burning the bottom of your feet when walking on hot sand is primarily due to a form of energy transmission known as conduction because it involves the transfer of thermal energy (heat) due to the movement of particles.
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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
Where can you go to find the system requirements?
A. Instructor Contact Center
B. Library
C. Help Center
D. None of these.
Then you go to find the system requirements are the D. None of these as none of it dictates about the find the system requirements hen needed.
What is person requirement and device requirement?User necessities describe what the person ought to do . System necessities describe how will the person acquire person necessities while interacting with the device plus nonpurposeful necessities such as "the device ought to cope with one hundred thousand customers on the identical time". So: User requirement : The person ought to see their check results.Where is device necessities.
For packaged products, device necessities are regularly imprinted on the packaging. For downloadable products, the device necessities are regularly indicated at the download page. System necessities may be widely categorized as purposeful necessities, records necessities, pleasant necessities and constraints.
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Technician A states; that bent lift arms can be straightened.
Technician B states; that worn lift pads should be replaced.
Who is correct?
Both technician "A" and "B"
Neither technician "A" nor "B"
Technician "A" only
Technician "B" only
what documentation is required when a pilot has performed preventive maintenance on an aircraft?
The documents that is required when a pilot performs preventive maintenance is that
The above functions need to be carried out by the holder of at least one Part 61 Private Pilot Certificate and the person need to have been a registered owner (or co-owner) of the aircraft.
What is the preventive maintenance about?Note that in the above case, an Authorization to carry out preventive maintenance and also authorization to restart is needed.
If a preventive maintenance is to be performed on an aircraft, the paperwork needs:
The signaturecertificate numberThe kind of certificate held by the individual that is approving the work, A description of the work that needs to be entered in the aircraft maintenance records.Learn more about preventive maintenance from
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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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A transformer has 300,000 windings in its primary coil and uses 12,000V AC input. (4 points) How many windings would be needed to produce at output of 110V AC
Answer:
2750
Explanation:
The number of windings and the voltage are proportional.
__
Let n represent the number of windings to produce 110 Vac. Then the proportion is ...
n/110 = 300,000/12,000
n = 110(300/12) = 2750 . . . . multiply by 110
2750 windings would be needed to produce 110 Vac at the output.
10. What refrigerant is no longer manufactured in the
United States?
Answer:
Freon Refrigerant
Explanation:
As of January 1, 2020 Freon Refrigerant can no longer be manufactured or imported to the United States. This is because R-22 (the principal component in Freon) has been banned in the states. Along with other greenhouse gasses, due to their contribution to damaging Earth’s ozone layer and global warming.
hope this helps:)
Answer:
Freon Refrigerant Is Now Banned in the US
As of January 1, 2020, a once very popular air conditioning refrigerant can no longer be made in or imported into the United States.
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They build bridges, buildings, dams, tunnels, tanks, power plants, transmission line towers and space satellites Group of answer choices Structural Engineer Satellite Engineer Water resource Engineer Construction Engineer
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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the hazards associated with performing hot work include
Answer:
space look at tge explanation
Explanation:
Discuss some of the hazards associated with hot work in confined spaces. Provide specific examples or personal experiences in your response.
The hazards associated with performing hot work include:
HeatUVSparksFumesWhat are the Common Hazards of Hot Work?Note that when working with anything that cause spark or fire, the common hazard are:
Flying sparks. A Flammable swarfExplosive atmospheres, etc.Therefore, The hazards associated with performing hot work include:
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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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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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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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