Technician A says that freewheeling engines are not in danger of valve damage due to a broken timing component. Technician B says that balance shafts do not need to be timed to the crankshaft. Who is correct
Answers
Technician A is correct in stating that freewheeling engines are not at risk of valve damage from a broken timing component. This is because the design of these engines ensures that the valves and pistons do not interfere even if the timing belt or chain fails.
Freewheeling engines, which have a design that allows the engine to continue running even if the timing component breaks, are not in danger of valve damage due to a broken timing component. In these engines, the valves are designed to be out of sync with the pistons, minimizing the risk of interference between the two. This design feature prevents valve damage even if the timing belt or chain fails.
On the other hand, Technician B is incorrect in stating that balance shafts do not need to be timed to the crankshaft. Balance shafts, also known as counter-rotating shafts, are used to counterbalance the vibrations produced by the engine. They are typically driven by the crankshaft through timing gears or belts.
Proper timing of the balance shafts is crucial for them to effectively counterbalance the engine vibrations. Incorrect timing can result in increased engine vibrations and potential damage to the engine components.
In summary, Technician A is correct in stating that freewheeling engines are not in danger of valve damage due to a broken timing component. However, Technician B is incorrect in
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Related Questions
saan nag tungo si Aguinaldo at ilang pinuno ng kilusan pagkatapos mapairal ang kasunduan na pansamantalang nag dulot ng kapayapaan
Answers
Answer:
sa china po
Explanation:
sana makatulong ako
the joint force engineer manages several engineering functions which include:
Answers
The correct answer is The combined force engineer oversees a number of engineering tasks, such as: (1) Scheduling and directing the execution of.
The Air Force and Navy are basically the only branches that offer major computer science work, despite the fact that all branches offer information technology training and professions that are excellent prerequisites for the hard-core business of computer science.
These professionals design, create, evaluate, and write programmes that are essential to our ability to wage war. They make sure we have the software and programmes required to carry out our duties successfully, from maintenance tracking applications to tools that organise and show intelligence data. Finding your first job can be challenging if you want to work as a software developer. Getting an interview involves a number of criteria.
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Plumbing
The should indicate the materials, fixtures, and faucets to be
used.
A. specifications
B. plumbing code
C. mechanical code
D. plumbing instructor
Answers
Answer:
B....................
Determine the NPW, AW, FW and IRR of the following engineering project. • Initial Cost ($400,000) • The Study Period 15 years Salvage (Market) Value of the project 15% of the initial cost Operating Costs in the first year ($9,000) • Cost Increase 3% per year • Benefits in the first year $40,000 Benefit Increase 9% per year • MARR 8% per year Is the Project acceptable? WHY?
Answers
The CEO of PT ABC asked the project manager to use PW, AW, and FW to prioritize the project while also adding the expected reject rate between each alternative.
Thus, This implies that the anticipated revenue will vary depending on the choice. The three projects are prioritized by the project manager. The CEO will assess which option will be more profitable than the others.
The quantity of money that is accessible for investment, as well as where and how much it cost (for example, whether it came from equity funds or borrowed funds).
The quantity of worthwhile projects that are open to investment and their objective (i.e., whether they maintain current operations and serve a necessary purpose or whether they enlarge current operations and serve a discretionary purpose) and PW.
Thus, The CEO of PT ABC asked the project manager to use PW, AW, and FW to prioritize the project while also adding the expected reject rate between each alternative.
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Write a program that can take a tree as input and travers it in 3 different format (pre-order, in-order and post-order). Write a report, you can follow the attached file. You can modify the report as you want.
Answers
Answer:
Let us see different corner cases.
Complexity function T(n) — for all problem where tree traversal is involved — can be defined as:
T(n) = T(k) + T(n – k – 1) + c
Where k is the number of nodes on one side of root and n-k-1 on the other side.
Let’s do an analysis of boundary conditions
Case 1: Skewed tree (One of the subtrees is empty and other subtree is non-empty )
k is 0 in this case.
T(n) = T(0) + T(n-1) + c
T(n) = 2T(0) + T(n-2) + 2c
T(n) = 3T(0) + T(n-3) + 3c
T(n) = 4T(0) + T(n-4) + 4c
we wish to design a closed circuit supersonic wind tunnel that produces a mach 2.8 flow at standard sea level conditions in the test section and has a mass flow rate of air of 15 kg/s. calculate the necessary reservoir pressure and temperature, the nozzle throat area, the test section area, and the diffuser throat area. assume a worst case stagnation pressure loss in the test section based on a normal shock.
Answers
How fast is the fastest wind tunnel?
The JF-22 wind tunnel, which would be the fastest in the world, would be situated in the Huairou District of northern Beijing and be capable of simulating flights at speeds of up to 10 km/s, or 30 times the speed of sound.
What is wind tunnel?They measure conditions that affect aircraft and other equipment, such as elevation, drag, shockwaves, and others. that speed against the wind. Additionally, those tunnels can assist engineers in figuring out how wind interacts with stationary objects like buildings and bridges and finding ways to strengthen and make them safer.Learn more about wind tunnels here:
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John Deere invented the phonograph.
Answers
Answer:
it is false john deere invented the self-scouring steel plow
Explanation:
A 1.2 newton block is dropped A 1.2 Newton block is dropped downward from a tall cliff. What is the magnitude and direction
of the force of air friction on the block when it reaches its terminal velocity?
1.2 newtons upward
1.2 newtons downward
0.12 newtons upward
0.12 newtons downward
Answers
Answer:
1.2 Newtons upwards
Explanation:
because the friction is opposite of the magnitude.
in one style of entity-relationship (e-r) diagrams, diamonds are used to describe
Answers
In one style of entity-relationship (e-r) diagrams, diamonds are used to describe relationships between entities.What are Entity Relationship diagrams?Entity Relationship diagrams (ERD) is a graphical illustration of entities, attributes and relationships that are incorporated in any system or enterprise applications.
It represents real-world entities and their relationships to each other.ERD is useful in understanding data requirements systematically and in designing the database. An Entity Relationship Diagram usually serves as a blueprint for developers to implement databases that could help manage enterprise data.How are diamonds used in ER diagrams?In ER diagrams, a diamond shape represents a relationship between entities. The diamond shape is used to depict a relationship, which means how two entities are associated with each other in the system.In an Entity Relationship diagram, there are four basic elements: Entity, Attribute, Relationship, and Cardinality. Relationships help connect entities and attributes in the diagram to understand data requirements and how data flows between them.In conclusion, diamonds are used in ER diagrams to show relationships between entities in a graphical manner.
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who is the strongest avenger i say hulk but who knows at this point
Answers
Answer:
or is the strongest evenger she hulk
Explanation:
?????????
Answer:
Thor!
Explanation:
In Thor: Ragnarok he beat the Hulk in order for Hulk to win thor had to be electrocuted and in Avengers: Endgame Thor is seen holding open the "Floodgates" and withstanding the radiation from a dying star, also the fact that Thor is a god means that he is all powerful and the rightful heir to the throne to Asgard, plus the fact that he has defeated Loki multiple times a feat that not even the Hulk has done.
Andy and Wendy both wear glasses. On a cold winter day, Andy comes from the cold outside and enters the warm house, while Wendy leaves the house and goes outside. Are Wendy's glasses more likely to be fogged than Andy's? Explain.
Answers
Answer:
Andy's glasses are more likely to fog up because the cold air is being conducted by the hot air somthing like that
What does efficiency measure?
Answers
Answer:
Efficiency is defined as any performance that uses the fewest number of inputs to produce the greatest number of outputs. Simply put, you're efficient if you get more out of less.
Explanation:
Create a decision matrix that can be used to decide the changes that could be implemented in the design of an automobile, and explain how an engineer might find it useful.
Answers
Answer:
An engineer using a decision matrix to determine which one of his/her solution ideas meets the established criteria and constraints.
Here is an example of a decision matrix that an engineer might use to evaluate potential changes to an automobile design:
| Design Change | Cost | Performance | Safety | Environmental Impact | Customer Satisfaction |
| --- | --- | --- | --- | --- | --- |
| Improved Fuel Efficiency | Low | High | High | High | High |
| Larger Engine | High | High | High | Low | High |
| Alternative Fuel | High | Medium | High | Medium | High |
| Redesigned Exterior | Medium | Low | Medium | Low | High |
| Improved Interior | Medium | Low | Medium | Low | High |
In this decision matrix, each potential design change is evaluated based on five criteria: cost, performance, safety, environmental impact, and customer satisfaction. The engineer would assign a score or rating to each design change for each criterion, with higher scores indicating better performance in that area.
Once the matrix is completed, the engineer can use it to compare the different design changes and make an informed decision about which changes to implement. For example, if the engineer's goal is to improve fuel efficiency, they could see that this change would have high performance in all criteria areas except for cost,which is low. However, if the engineer's goal is to improve customer satisfaction, they could see that all of the design changes would have high performance in this area.
By using a decision matrix, an engineer can systematically evaluate potential design changes and make informed decisions based on the desired outcome. The matrix provides a visual representation of the trade-offs between different design options and helps the engineer to prioritize the most important criteria for the project. It also allows for objective and transparent decision-making, as the scores and ratings can be easily compared and evaluated by others involved in the project. Overall, a decision matrix is a useful tool for any engineer or designer who needs to evaluate and compare different design options based on multiple criteria.
i should have cylinders filled at a dive center i trust, not use air that tastes or smells bad, nor use air from a compressor designed to fill car tires. this is important to
Answers
With regard to open water diving, it is to be noted that I should have cylinders filled at a dive center I trust, not use air that tastes or smells bad, nor use air from a compressor designed to fill car tires. This is important to Reduce the risk of breathing contaminated air.
What is open-water diving?Open water in underwater diving refers to unrestricted water, such as a sea, lake, or flooded quarry. It is the polar opposite of restricted water (often a swimming pool) where diver training occurs. Open water also implies that the diver has direct vertical access to the ocean's surface, which is in contact with the Earth's atmosphere.
Open Water Divers can plan and perform dives to a maximum depth of 18 meters/60 feet with the assistance of a trained buddy or dive professional. Scuba Divers may only dive to a maximum depth of 12 meters/40 feet under the direct supervision of a PADI Professional (an Instructor).
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effects of salinity water on alfalfa
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234567891234567891234567891
Answers
Answer:
234567891234567891234567891 what is this?????
Explanation:
234567891234567891234567891
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a cylindrical pressure vessel is constructed from a long, narrow steel plate by wrapping plate around a mandrel and then welding along the edges of the plate to make a helical joint. the helical weld makes an angle 450 with the longitudinal axis. the vessel has an inner diameter of 1.25m and a wall thickness of 15mm. when the inner pressure is 8mpa, determine the normal stress and shear stress acting perpendicular and parallel, respectively, to the welding seam.
Answers
The normal stress is 21.33 MPa and the shear stress is 10.67 MPa.
What are the magnitudes of the normal and shear stresses acting on the helical weld of the cylindrical pressure vessel?In the given scenario, a cylindrical pressure vessel is constructed by wrapping a long, narrow steel plate around a mandrel and welding it along the edges to form a helical joint. The helical weld makes an angle of 45° with the longitudinal axis. The vessel has an inner diameter of 1.25 m and a wall thickness of 15 mm.
To determine the normal stress acting perpendicular to the welding seam, we need to consider the internal pressure. The formula to calculate the normal stress is given by:
Normal stress = Pressure × Radius / Thickness
Plugging in the values, we have:
Normal stress = (8 MPa) × (0.625 m) / (0.015 m) = 21.33 MPa
To determine the shear stress acting parallel to the welding seam, we need to consider the angle of the helical weld. The formula to calculate the shear stress is given by:
Shear stress = Pressure × Radius / (2 × Thickness × sin(θ))
Plugging in the values, we have:
Shear stress = (8 MPa) × (0.625 m) / (2 × 0.015 m × sin(45°)) = 10.67 MPa
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Question 1 The World Wide Web (WWW) is an information system that does which of the following?
Allows access to resources over the internet.
O Uses URLs to identify websites and documents it stores.
O imposes standard restrictions on the websites it stores.
O All of the answers are correct.
Answers
The World Wide Web (WWW) is an information system that allows access to resources over the internet, uses URLs to identify websites and documents it stores and imposes standard restrictions on the websites it stores.
For what is the World Wide Web famous?Everyone, not just researchers, now has access to the internet thanks to the world wide web. It connected the world in a way that greatly facilitated communication, sharing, and information access. Since then, technology has enabled people to share their ideas and works via blogs, social networking sites, video sharing, and other channels.
By the year 1989, Tim Berners-Lee had created the internet. He was looking for a fresh method for researchers to quickly exchange the results of their tests. Because of the web, this data could be shared across computers that were online.
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Most organizations use a(n) ____ form to propose and document a maintenance change.A) team request
B) user request
C) change request
D) maintenance report
Answers
C) change request
Explanation:
From an organizational standpoint, a maintenance function typically doesn't require change request paperwork unless it is defined as a change. For example, if you are replacing a valve with the same make and model, then nothing has changed because you are just maintaining what is already there. However, if you were to change that valve with a different type of valve, that would constitute a change because the original design included the existing valve, so a review would be warranted via the change request before the replacement is made.
The 5-lb box is dropped from rest 5 ft from the top of the 10-lb plate P, which is supported by the spring having a stiffness of k-301b/ft. Ife-0 б between the box and plate, determine the maximum compression imparted to the spring Neglect the mass of the spring,
Answers
The maximum compression imparted to the spring is 1.61 ft
How to calculate the compressionThe potential energy of the box at the top of the plate can be calculated using the formula:
U = mgh
U = (5 lb) x (32.2 ft/s^2) x (5 ft) = 806.5 ft-lb
This potential energy is converted into kinetic energy as the box falls. The kinetic energy can be calculated using the formula:
K = (1/2)mv^2
K = (1/2)(5 lb)(v^2)
The kinetic energy is then converted into elastic potential energy stored in the spring as it compresses. The amount of energy stored in the spring can be calculated using the formula:
E = (1/2)kx^2
(1/2)(5 lb)(v^2) = (1/2)(k)(x^2)
Simplifying, we get:
v^2 = kx^2/5
The velocity just before the box hits the plate can be found using conservation of energy:
K = U
(1/2)(5 lb)(v^2) = 806.5 ft-lb
v^2 = 161.3 ft^2/s^2
Now we can plug this value into the equation we derived earlier:
161.3 ft^2/s^2 = kx^2/5
x^2 = (161.3 ft^2/s^2)(5)/k
x^2 = 806.5/k
x = sqrt(806.5/k)
Plugging in the value for k, we get:
x = sqrt(806.5/(301 lb/ft))
x = 1.61 ft
Therefore, the maximum compression imparted to the spring is 1.61 ft
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1:
Determine the dynamic pressure of water received at the site described below.
Water Tower holds water at an elevation of 265 feet
Site is at an elevation of 145 feet
The water supply system uses cast iron pipes.
The water travels through 3.2 miles of pipes before reaching the site
The pipe has a diameter of 8 inches
The water travels through 9 90-degree bends, 4 Branch tees, and 1 Swing Check Valve
The water has a flow rate of 105 gpm
Round to the hundredths place (2 places after the decimal)
2:
What is the static head of a water supply system if the water tower holds water at and elevation of 462 feet and the site that uses the water is at an elevation of 294 feet?
Answer value
Answers
Answer:
20.87 Pa
Explanation:
The formula for dynamic pressure is given as;
q= 1/2*ρ*v²
where ;
q=dynamic pressure
ρ = density of fluid
v = velocity of fluid
First find v by applying the formula for flow rate as;
Q = v*A where ;
Q= fluid flow rate
v = flow velocity
A= cross-sectional area.
A= cross-sectional vector area of the pipe given by the formula;
A= πr² = 3.14 * 4² = 50.27 in² where r=radius of pipe obtained from the diameter given divided by 2.
Q = fluid flow rate = 105 gpm----change to m³/s as
1 gpm = 0.00006309
105 gpm = 105 * 0.00006309 = 0.006624 m³/s
A= cross-sectional vector area = 50.27 in² -------change to m² as:
1 in² = 0.0006452 m²
50.27 in² = 50.27 * 0.0006452 = 0.03243 m²
Now calculate flow velocity as;
Q =v * A
Q/A = v
0.006624 m³/s / 0.03243 m² =v
0.2043 m/s = v
Now find the dynamic pressure q given as;
q= 1/2 * ρ*v²
q= 1/2 * 1000 * 0.2043² = 20.87 Pa
a measurement system can be modeled by the equation initially, the output signal is steady at 60 units. the input signal is then suddenly increased to 90 units. (a) determine the time constant and the sensitivity of the system.
Answers
The time constant of the system is not defined because the output signal remains at zero for all values of t. The sensitivity of the system is a = 0.
The time constant and sensitivity of a measurement system can be determined from the equation y = a (1 - e ^ -t/τ). Here, τ is the time constant and a is the sensitivity. The output signal is initially steady at 60 units and the input signal is then suddenly increased to 90 units.
The equation of the system is given by:
y = a (1 - e ^ -t/τ)
Given that the initial output signal is steady at 60 units, it implies that when t=0, y=60. Thus the equation becomes:
60 = a (1 - e ^ 0/τ)
60 = a (1 - 1)
60 = 0
This equation is not possible. It implies that the value of a is zero. Thus, the equation of the system is simplified to:
y = 0
Therefore, the answer is a = 0.
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In engineering economic analysis, it is permissible to sum dollar amounts without conversion only when __________ .
Answers
Answer:
they occur at the same time
Explanation:
What this means is that if let's say on a particular cash record we have two transactions on the same date: For example,
11th/20/2020 received $50 from Jude and received $950 from Paul to pay his credit balance.12th/20/2020Only the two transactions on the 11th are permissible to sum the dollar amounts without conversion.
Please read
5. Only
should perform CPR on an accident victim.
A) O Emergency responders
B) O Shop owners
Individuals certified in CPR
DO Everyone should perform CPR on a victim.
Answers
Answer: Individuals certified in CPR, this includes EMS an dbystanders thet know how to do CPR
Only the individuals that are certified in CPR should perform CPR on accident victims.
Cardiopulmonary resuscitation (CPR) is performed when a person stops breathing. CPR is done in order to save the live of the person and this should be down by someone whom is trained.
In this case, someone who is certified in CPR such as a doctor etc should be the one that will perform the CPR.
In conclusion, the correct option is "individuals certified in CPR".
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hi, I am a beginner trying to build a desk that can move up and down electrically like using a button to control the motors which will have an up and down motion but I don't know what do I add to the motor to make it have an up and down motion and where to get the stuff. I prefer if I got the stuff from amazon of course except for the actual desk. and how should i connect the motor to the button to make it move up and downi would really appreciate your help as iv been wanting to build something for a long time btw i am 14
Answers
Answer:
well, that is a bit complicated but you can get some of the stuff on amazon or for me i used left over parts that my car guy gave me so i don't know if that is available but I'm sure that you will do great on making this desk
Explanation:
.Write a program that uses a void function void miles_to_km() to generate a kilometer
conversion table for all even kilometers from 2 miles to 62 miles. Use two decimal
places for kilometers.
Answers
Explanation:
rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)rational
Step-by-step explanation:
The discriminant (d) of a quadratic equation ax^2 + bx + c = 0ax
2
+bx+c=0 is:
\boxed{\mathrm{d =} \ b^2 - 4ac}
d= b
2
−4ac
.
If:
• d > 0, then there are two real solutions
• d = 0, then there is a repeated real solution
• d < 0, then there is no real solution.
In this question, we are given the quadratic equation 3x^2 + 4x - 2 = 03x
2
+4x−2=0 . Therefore, the discriminant of the equation is:
b² - 4ac = (4)² - 4(3)(-2)
= 16 - (-24)
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.
= 40
Since the discriminant, 40, is greater than zero, the quadratic equation has 2 rational solutions.
A 3-phase, 50 Hz, 110 KV overhead line has conductors placed in a horizontal plane 3 m apart. Conductor diameter is 2.5 cm. If the line length is 220 km, determine the charging current per phase assuming complete transposition. (6 Marks)
Answers
Answer:
A 3-phase, 50 Hz, 110 KV overhead line has conductors
Explanation:
hope it will helps you
why dose bob not let humans touch him one and only Ivan
Answers
A cylindrical rod with a length of 380 mm and a diameter of 10 mm is to be subjected to a tensile load. The rod must not experience plastic deformation or an increase in length of more than 0. 9 mm when a load of 24. 5 kn is applied. Which of the four materials listed in table p1. 13 are possible candidates? justify your answer
Answers
The materials which are possible candidates are brass, stainless steel, aluminum and copper is to be subjected to a tensile load.
What is tensile load?Tensile load, also known as tension, is a force applied to an object in order to extend, deform, or disrupt the object. Tensile load is the opposite of compressive load, which compresses or squeezes an object. Tensile load is often used in engineering and material science to measure the strength of a material or object. When a material is subjected to a tensile load, it will stretch and deform until it reaches its breaking point. The amount of force it takes to cause the material to reach its breaking point is known as the tensile strength of the material.
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A car makes a hissing noise each time the A/C system and engine are turned off. Technician A says that the noise is caused by a refrigerant leak. Technician B says that the noise is caused by equalization of system pressures. Who is correct?
Answers
Answer:
It's equalization of the system
Explanation: If there was a leak it would likely leak all the time even if the car was turned off. Plus, a system leak bad enough to hear would drain the system of refrigerant very quickly and would no longer cool.