Convert this C++ program (and accompanying function) into x86 assembly language.
Make sure to use the proper "Chapter 8" style parameter passing and local variables.
#include
using namespace std;
int Function(int x)
{
int total = 0;
while (x >= 6)
{
x = (x / 3) - 2;
total += x;
}
return total;
}
int main()
{
int eax = Function(100756);
cout << eax << endl;
system("PAUSE");
return 0;
}
Answers
While the conversion of the given C++ code to x86 assembly language is an involved process, a rough translation might look like below.
In the following transformation of the C++ code to assembly, we are essentially taking the logic of the function, unrolling the loop, and implementing the operations manually. Also, remember that in assembly language, we are dealing with lower-level operations and registers.
``` assembly
section .data
total dd 0
x dd 100756
section .text
global _start
_start:
mov eax, [x]
Function:
cmp eax, 6
jl end_function
sub eax, 2
idiv dword 3
add [total], eax
jmp Function
end_function:
mov eax, [total]
; ... (code to print eax, pause, and then exit)
```
In the above assembly code, we use 'section .data' to define our variables and 'section .text' for our code. The '_start' label marks the start of our program, which starts with 'mov eax, [x]'. We then enter the 'Function' loop, checking if 'x' (now 'eax') is less than 6. If it is, we jump to 'end_function', else we perform the operations in the loop.
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Related Questions
What is defining feature of the meta verse?
Answers
The defining feature of the Metaverse is that it is Virtual. This is its a most distinctive feature. See further details below.
What more do we know about the Metaverse?The Metaverse does not compete with the internet; rather, it expands upon it.
Users navigate a virtual environment that duplicates features of the actual world utilizing technologies such as virtual reality (VR), augmented reality, artificial intelligence (AI), social media, and digital money in the metaverse.
Metaverse features include digital avatars, remote working, developing decentralization, hardware, encryption, and many more.
Similarly, virtual places like Zoom only allow for a single conversation. Participants at physical events can transition seamlessly from one talk to the next. Some colleges are utilizing metaverse technology to bypass internet and video meeting tool constraints.
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The wall crane supports a load of 720 lb . The jib ABC has a weight of 184 lb and member BD has a weight of 50 lb . Each member is uniform and has a center of gravity at its center.
A)Determine the horizontal component of reaction at the pin A.
B)Determine the vertical component of reaction at the pin A.
C)Determine the horizontal component of reaction at the pin D.
D)Determine the vertical component of reaction at the pin D.
E)What is the force in the cable at the winch W?
Answers
A) The horizontal component of reaction at pin A is 642.2 lb.
B) The vertical component of reaction at pin A is 405.7 lb.
C) The horizontal component of reaction at pin D is -642.2 lb.
D) The vertical component of reaction at pin D is 314.3 lb.
E) The force in the cable at winch W is 847.3 lb.
To solve this problem, we need to use the equations of static equilibrium. By summing the forces in the horizontal and vertical directions, we can determine the reactions at pins A and D and the force in the cable at the winch W.
For part A, we can sum the forces in the horizontal direction to get:
RAH - 184sin(30) + 50sin(60) = 0
where RAH is the horizontal component of reaction at pin A. Solving for RAH, we get:
RAH = 642.2 lb
For part B, we can sum the forces in the vertical direction to get:
RAV + 720 - 184cos(30) - 50cos(60) = 0
where RAV is the vertical component of reaction at pin A. Solving for RAV, we get:
RAV = 405.7 lb
For part C, we can sum the forces in the horizontal direction to get:
RAH + RDH = 0
where RDH is the horizontal component of reaction at pin D. Solving for RDH, we get:
RDH = -642.2 lb
For part D, we can sum the forces in the vertical direction to get:
RAV + RDV - 720 - 184sin(30) - 50sin(60) = 0
where RDV is the vertical component of reaction at pin D. Solving for RDV, we get:
RDV = 314.3 lb
For part E, we can use the fact that the tension in the cable is equal and opposite to the force exerted by the crane on the load. Therefore, we have:
T = 720 + 184cos(30) + 50cos(60) + 184sin(30) + 50sin(60) = 847.3 lb
where T is the force in the cable at the winch W.
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do cars get better gas mileage with premium instead of regular unleaded gasoline
Answers
Cars do not necessarily get better gas mileage with premium gasoline compared to regular unleaded gasoline, unless the vehicle's engine specifically requires or is optimized for higher-octane fuel.
Premium gasoline typically has a higher octane rating, which means it can withstand higher compression without causing knocking or engine damage. However, if a car's engine is designed to run on regular unleaded gasoline (which usually has a lower octane rating), using premium fuel will not provide any significant benefits in terms of fuel efficiency or mileage. It is important to refer to the vehicle's owner's manual or consult the manufacturer's recommendations to determine the appropriate type of fuel to use for optimal performance and fuel economy. Using a higher-octane fuel than required by the engine typically does not result in improved gas mileage and may be an unnecessary expense.
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Which of the following occupations is the most physically dangerous?
O electrician
O Ironworker
O boilermaker
O cement mason
Answers
Answer:Ironworker
Explanation:
Their work is totally physical and lead they get hampered by lead most
Answer:
answer:ironworker
Explanation:
they can be hampered and can also get severely injured.
4.
Describe the correct use of any equipment used to protect the health and safety of themselves and
their colleagues
Answers
Items such as gloves, safety goggles, shoes, earplugs, respirators, hard hats, coveralls, vests, and full body suits are examples of personal protection equipment.
What equipment is used for safety and protection?Wearing a safety helmet when using a power tool, donning the proper protective clothing when working with chemicals, and taking all necessary safety precautions when operating machinery are all examples of how to use equipment correctly to safeguard their own health and the health and safety of their coworkers.
Healthcare Facilities Using PPE Gloves shield the hands; gowns or aprons shield the skin or clothing; masks and respirators shield the mouth and nose; goggles shield the eyes; and face shields shield the full face. consisting of goggles, gloves, gowns, shoe covers, head coverings, masks, and respiratory equipment.
PPE, or personal protective equipment, is gear that shields users from harm to their health or the danger of accidents. It may consist of equipment like safety harnesses, gloves, eye protection, high-visibility clothes, safety footwear, and respiratory protective equipment (RPE).
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This agency develops standards for pressure vessels and pressure relief valves, as well as the design, welding, and materials that may be used in pipeline construction.
Select one:
a. American Petroleum Institute
b. American Society of Mechanical Engineers
c. American Gas Association
d. National Fire Protection Association
Answers
Answer:
b. American Society of Mechanical Engineers
Explanation:
The "American Society of Mechanical Engineers" (ASME) is an organization that ensures the development of engineering fields. It is an accreditation organization that ensures parties will comply to the ASME Boiler and Pressure Vessel Code or BPVC.
The BPVC is a standard being followed by ASME in order to regulate the different pressure vessels and valves. Such standard prevents boiler explosion incidents.
Consider a system that multiplies a given input by a ramp function, r[n]. That is, y[n] - x[n] rin]. (a) Is the system BIBO-stable? Justify your answer. (b) Is the system linear? Justify your answer. (c) Is the system memoryless? Justify your answer. (d) Is the system causal? Justify your answer. (e) Is the system time-invariant? Justify your answer.
Answers
(a) the system is not BIBO-stable. (b) The system is linear (c) The system is not memoryless (d) The system is causal (e) The system is time-invariant.
Describe BIBO- stable system?BIBO (Bounded-Input-Bounded-Output) stability is a fundamental concept in control theory that describes the behavior of a system when a bounded input signal is applied to it, and the output remains bounded within certain limits.
(a) To determine if the system is BIBO-stable, we need to check if its impulse response has absolutely summable values. The impulse response of the system is the product of the input signal x[n] and the impulse response of the ramp function r[n]. Since the ramp function's impulse response is an infinite ramp, its absolute sum is not finite, i.e., it's not absolutely summable. Therefore, the system is not BIBO-stable.
(b) The system is linear since it satisfies the superposition and homogeneity properties of linearity. That is, if x1[n] and x2[n] are two input signals and a1 and a2 are two constants, then y[n] = a1x1[n]r[n] + a2x2[n]r[n] = a1y1[n] + a2y2[n], where y1[n] and y2[n] are the outputs corresponding to x1[n] and x2[n], respectively.
(c) The system is not memoryless since the current output value y[n] depends on the current and past input values. Specifically, y[n] depends on the past and current input values, x[k], where k <= n.
(d) The system is causal since the output at any given time n depends only on the input values at and before that time. That is, y[n] depends only on x[k] where k <= n.
(e) The system is time-invariant since its output depends on the input signal x[n] and the ramp function r[n] alone, and these functions are not affected by a time shift. Specifically, if we delay the input signal x[n] by some amount of time, the output y[n] will be delayed by the same amount of time. Therefore, the system is time-invariant.
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Select four items that an industrial engineer must obtain in order to practice in the field.
Answers
Answer:
agriculture,defense,industry,science
Explanation:
Edg 2021
A Concrete has a height of 5 meters and mass of 30,000kg, Determine the Stress, the strain and the change height.
Answers
Discuss types of environmental hazards and impact of the environmental hazards.
Answers
An environmental hazard is a substance, state or event which has the potential to threaten the surrounding natural environment and/or adversely affect human's health. This term incorporates topics like pollution, natural disasters and human-made hazards. Health studies investigate the human health effects of exposure to environmental hazards ranging from chemical pollutants to natural, technological or terrorist disasters. The environment in which we live can be considered as having three fundamental sets of components, physical, chemical, biological. Associations between an exposure and an adverse health effect do not, on their own, prove that the former is the cause of the latter. Many other non-causal associations could explain the findings. Physical hazards involve environmental hazards that can cause harm with or without contact. Examples are earthquakes, electromagnetic fields, floods, light pollution, noise pollution, vibration, x-rays etc. Radioactivity is associated with an exposure dependent risk of some cancers notably leukaemia. The scientific evidence of adverse health effects from general environmental exposure to these fields is "not proven". If there are adverse effects yet to be proven, the risk is probably likely to be small. Chemical substances cause significant damage to the environment. Tobacco smoke is the single biggest known airborne chemical risk to health, whether measured in terms of death rates or ill-health. To a much lesser degree of risk, these adverse effects apply to non-smokers exposed passively to sidestream tobacco smoke. Health effects of concern are asthma, bronchitis, lung cancer and similar lung diseases, and there is good evidence relating an increased risk of symptoms of these diseases with increasing concentration of Sulphur dioxide, ozone and other pollutants. Biohazards generally fall into two broad categories: those which produce adverse health effects through infection (microorganisms, viruses or toxins) and those which produce adverse effects in non-infective (allergic) ways.
Hope this helps...:)
calculate the time required to turn a stepped shaft to the dimensions shown in below figure. From MS stock of 4cm diameter. Neglect Facing and set up Time. The depth of cut should not exceed 0.25cm. Assume the cutting speed to be 20m/min and Feed to be 0.3 mm/revolution For each cut.
Answers
The time required to turn a stepped shaft to the dimensions shown in the figure is 2.25 minutes.
How to calculate the timeThe machining time is the time it takes to machine the workpiece. It can be calculated as follows:
Machining time = Length of cut / (Speed x Feed)
For the first cut, the machining time is:
Machining time = 9 cm / (20 m/min x 0.3 mm/revolution) = 1.5 minutes
For the second cut, the machining time is:
Machining time = 5 cm / (20 m/min x 0.3 mm/revolution) = 0.75 minutes
The total machining time is the sum of the machining times for the two cuts.
Total machining time = 1.5 minutes + 0.75 minutes = 2.25 minutes
Therefore, the time required to turn a stepped shaft to the dimensions shown in the figure is 2.25 minutes.
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A large retirement community wants to host a grand birthday party for its residents who recently
became centenarians (a centenarian is someone who has lived 100 years). The party organizers learn
that 25 new centenarians will be the guests of honor at the party, so they decide to prepare some
interesting facts about this group's age. They start brainstorming, and one of the organizers says,
"Hey, the standard deviation of their ages would be an interesting fact."
Which of the following best represents the standard deviation for the ages of the new centenarians?
Answers
The ideal response for the age standard deviation would be zero.
Why is there a standard deviation?A standard deviation (or σ) is a measure of how distributed the data is in reference to the mean. When the standard deviation is low, the data are concentrated around the mean, and when it is large, the data are widely dispersed.
They invited 25 persons who recently turned 100 years old, so the majority of attendees will be between the ages of 100 and 102. There is extremely little likelihood that anyone will be older than 102.
Since the majority of the data are centered at 100, the standard deviation will be zero or very close to it.
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Which of the following best represents the standard deviation for the ages of the new centenarians?
0
100
30
25
When required to drill holes on a roof that has no power supply the best drill for the job would be__________.
Answers
When required to drill holes on a roof that has no power supply the best drill for the job would be a cordless drill.
What is power supply?It should be noted that a power supply is an electrical device which supplies electric power to an electrical load.
In this case, the main purpose of a power supply is simply to be able to convert electric current from the source to the correct current, and frequency.
In this case, the power supply unit converts the main AC to a low-voltage regulated DC power. Therefore, When required to drill holes on a roof that has no power supply the best drill for the job would be a cordless drill.
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What Is Soil Tunneling?
Answers
Answer:
A tunnel built in soft ground—such as clay, silt, sand, gravel or mud—requires specialized techniques compared to hard rock, to compensate for the shifting nature of the soil.
It's from web...
Soft ground tunneling describes the additional measures needed when Microtunneling through soil conditions that are vulnerable to collapse. ... This process ensures tunneling can happen effectively in soft grounds.
It's from me...
When was the first black or white hole discovered?
Answers
Answer:
1964
Explanation:
It was discovered in 1964 when a pair of Geiger counters were carried on board a sub-orbital rocket launched from New Mexico.
Conduction is thermal energy transfer by:_______.
a. molecular interactions.
b. bulk (macroscopic) particle motion.
c. electromagnetic waves inside the solid.
d. a combination of molecular interactions and macroscopic particle motion.
Answers
Answer:
a. molecular interactions.
Explanation:
Conduction is thermal energy transfer by molecular interactions. Therefore, conduction involves the transfer of electric charge or thermal energy due to the movement of particles. When the conduction relates to electric charge, it is known as electrical conduction while when it relates to thermal energy, it is known as heat conduction.
In the process of heat conduction, thermal energy is usually transferred from fast moving particles to slow moving particles during the collision of these particles. Also, thermal energy is typically transferred between objects that has different degrees of temperature and materials (particles) that are directly in contact with each other but differ in their ability to accept or give up electrons.
Some examples of conductors include metal, steel, aluminum, copper, graphite, etc.
Hence, conduction is thermal energy transfer as a result of the movement of electrons and collision between the molecules of an object.
*Avoid waiting in long drive-thru lines, for example, at fast-food restaurants or banks. Park your car and go in. *When possible, use public transportation, walk, or ride a bike. *Get regular engine tune ups and car maintenance checks. *Join a carpool or vanpool to get to work or school. *Keep tires properly inflated and aligned. Conservation. The choices in the list above help to regulate important biogeochemical cycles as well as conserve important natural resources. Making these good choices impacts several cycles on Earth.
Required:
Which set of answers - biogeochemical cycle; natural resource; consequence - is not affected by the list above?
Answers
Answer:
When possible, use public transportation, walk, or ride a bike
Explanation:
Answer:
water; water; Oxygen enters the waterways and causes an imbalance of plant life to animal life.
Explanation:
The entire population of a given community is examined, and all who are judged to be free from bowel cancer are questioned extensively about their diets. These people then are followed for several years to see whether their eating habits will predict their risk of developing bowel cancer. Which of the following study designs most appropriately characterizes this situation?
A. Cross-sectional study.
B. Case-control study.
C. Prospective cohort study.
D. Historical prospective cohort study.
E. Clinical trial.
F. Community trial.
Answers
Answer:
C) Prospective Cohort study
Explanation:
prospective cohort study can be regarded as longitudinal cohort study that comes up with periods of time when group of individuals that are different in terms of some factors that are undergoing some study, so that how theses factors influence rates of some particular outcomes can be known.
Discuss and elaborate three positive impact of seaport
wayfinding to community
Answers
Seaport wayfinding has three positive impacts on the community: increased economic activity, improved tourism, and enhanced safety and efficiency.
1. Increased economic activity: Seaport wayfinding helps boost economic activity by facilitating trade and commerce. Efficient wayfinding systems guide cargo vessels and shipping containers to their designated berths, reducing delays and improving turnaround times. This results in faster loading and unloading of goods, which enhances supply chain efficiency. As a result, businesses can save time and money, and productivity increases. According to a study conducted by the American Association of Port Authorities, ports contribute significantly to the national economy, supporting millions of jobs and generating billions of dollars in economic output.
2. Improved tourism: Seaport wayfinding plays a crucial role in attracting tourists and enhancing their experience. Clear signage and navigation systems help visitors easily locate popular attractions, transportation terminals, and recreational areas within the seaport. This enhances the overall tourism experience, encourages longer stays, and boosts local businesses such as hotels, restaurants, and retail establishments. Additionally, efficient wayfinding reduces the likelihood of tourists getting lost or experiencing frustration, leading to positive reviews and word-of-mouth recommendations.
3. Enhanced safety and efficiency: Wayfinding systems in seaports improve safety by providing clear directions and information regarding emergency exits, evacuation routes, and safety protocols. In the event of an emergency, quick and efficient evacuation procedures can save lives. Furthermore, effective wayfinding reduces congestion and improves traffic flow within the port, preventing accidents and reducing delays. This improves overall operational efficiency and ensures that goods and people can move smoothly and safely within the seaport.
Seaport wayfinding has a multitude of positive impacts on the community. It boosts economic activity by streamlining trade and commerce, attracts tourists by improving their experience, and enhances safety and efficiency within the seaport. These benefits contribute to the overall growth and prosperity of the community, creating a positive ripple effect on the local economy and quality of life. Implementing and maintaining effective wayfinding systems in seaports should be a priority to capitalize on these advantages and foster sustainable development.
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describe how actual internal combustion engine cycle otto thermal efficiency differ from the ideal one at the same power output.
Answers
The ideal Otto cycle has a higher thermal efficiency than an actual internal combustion engine due to the limitations of real-world components and the environment. The power output of the two cycles remains the same, however the actual internal combustion engine requires more energy to run at the same power output. This is because actual internal combustion engines have higher pressure drops, incomplete combustion, friction, and heat losses that are not present in the ideal cycle.
The actual internal combustion engine cycle Otto thermal efficiency differs from the ideal one at the same power output. Below are the differences: Actual internal combustion engine cycle Otto thermal efficiency and ideal one at the same power output The actual internal combustion engine cycle Otto thermal efficiency differs from the ideal one at the same power output. The reasons are given below: In the internal combustion engine cycle, the fuel combustion process is not always perfect, and in some instances, incomplete combustion may occur. As a result, the fuel does not combust completely, and a portion of the energy is wasted as waste heat. Because of this waste, the actual thermal efficiency of the engine is decreased. On the other hand, in an ideal Otto cycle, the combustion process is 100% efficient, resulting in no waste heat. As a result, the thermal efficiency of an ideal Otto cycle is greater than that of an actual cycle.
Otto Cycle
The Otto Cycle, which was developed in 1876 by German engineer Nicolaus Otto, is the most widely used internal combustion cycle for gasoline engines. It is a theoretical cycle that is not perfectly efficient, but it is often used as a standard to compare other engines with. In a four-stroke engine, the Otto cycle is employed to power the vehicle. It consists of four strokes: intake, compression, power, and exhaust. The cycle is theoretical because it assumes ideal conditions.
The efficiency of an internal combustion engine can be improved by increasing the engine compression ratio, which results in more fuel burning and less energy waste.
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explain what happened to the pump rate when you increased the stroke volume? why do you think this occurred? how well did the results compare with your prediction
Answers
All other factors being equal, increasing the stroke volume in a pumping system would normally result in raising the pump rate.
How can the flow rate of a pump be increased?It implies to increase the head of the pump while decreasing the length of the pumping system pipe and to increase the flowrate of the centrifugal pump while lengthening the pipe.
What happened to the flow rate when you increased the pressure?While increasing pressure alters the fluid's velocity, it also reduces flow or output. The volumetric efficiency of the pump and the slower motor speed are the two causes of the flow reduction.
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How often should a technician conduct a Quality Inspection?
Answers
Answer: after installation and before first use, and after reassembly at any new site / location. And at suitable intervals to make sure no problems have surfaced.
You wonder why Andy acted in this fashion, and you guess that, because the door was unlocked, he must be afraid that someone broke into their home. Which reading strategy did you use to understand the character's behavior? A. Inferring B. Visualizing C. Summarizing D. Asking questions
Answers
Answer:
option A. Inferring
Explanation:
inferring/ inference as reading strategy simply is the process by which one uses what he/she knows to make a guess about what you don't know or reading between the lines. Readers in making inferences uses clues found inside text along with their own views or experiences to help them figure out what is not directly said,thereby causing a personal and memorable text. for one to draw an inference from the passage via reading, Identify if its an Inference Question.inferring involves Trusting the Passage or what you are seeing, then you start Hunting for Clues thereafter you Narrow Down the Choices. and then come to a conclusion or Practice.
Describe the extent of their own responsibility. When to act on their own innitiative to find , clarify and evaluate information , and to whom they should report if they have problems they cannot resolve in the work place
Answers
Answer:
whatsthe question choices
water in being discharged in the venturi meter below. the difference in pressureis measured using the u-tube manometer containing air.a) write out the system equations that can be used to calculatethe discharge (volumetric flowrate).b) find the discharge.c) how is total pressure at point 2 compared to the one atpoint 1? explain.d) for a pressure of 2 kpa at point 1, what is the force actingon the tube?
Answers
a) The system equations for calculating the discharge (volumetric flowrate) using a venturi meter and a u-tube manometer containing air are:
Continuity equation:
Q = A1V1 = A2V2
where Q is the volumetric flowrate, A1 and A2 are the cross-sectional areas of the venturi meter at points 1 and 2 respectively, and V1 and V2 are the velocities of the fluid at points 1 and 2 respectively.
Bernoulli's equation:
P1 + 1/2ρV1^2 + ρgh1 = P2 + 1/2ρV2^2 + ρgh2
where P1 and P2 are the pressures at points 1 and 2 respectively, ρ is the density of the fluid, g is the acceleration due to gravity, h1 and h2 are the heights of the fluid columns in the manometer at points 1 and 2 respectively.
Hydrostatic equation:
P3 + ρgh3 = Patm
where P3 is the pressure in the air column of the manometer, h3 is the height of the air column, and Patm is the atmospheric pressure.
b) To find the discharge, we need to solve the above equations for Q. We can rearrange the continuity equation to get V2 = (A1/A2)V1, and substitute it into Bernoulli's equation to eliminate V2:
P1 - P2 = (ρ/2)(V1^2 - (A2/A1)^2V1^2) + ρg(h2 - h1)
Substituting the pressure difference (P1 - P2) with the manometer reading (h1 - h2), and solving for V1:
V1 = √[(2g/h)(h1 - h2 + (P1 - P2)/ρ)]
Substituting V1 into the continuity equation:
Q = A1V1
c) According to Bernoulli's equation, the total pressure at point 2 is lower than the total pressure at point 1 because the velocity of the fluid at point 2 is higher than at point 1. This is known as the Bernoulli's principle.
d) To find the force acting on the tube for a pressure of 2 kPa at point 1, we need to know the cross-sectional area of the tube and the pressure difference across it. Assuming a circular cross-section with a diameter of 1 cm, the area is:
A = πd^2/4 = π(0.01 m)^2/4 = 7.85×10^-5 m^2
The pressure difference is equal to the manometer reading, which is the height difference between the two fluid columns:
ΔP = ρgh = 1000 kg/m^3 × 9.81 m/s^2 × (h1 - h2)
Substituting the given pressure of 2 kPa (2000 Pa) for P1, and solving for the height difference:
h1 - h2 = 0.204 m
Substituting the values into the equation for pressure:
ΔP = 1000 kg/m^3 × 9.81 m/s^2 × 0.204 m = 2002 Pa
The force acting on the tube is given by:
F = ΔP × A = 2002 Pa × 7.85×10^-5 m^2 = 0.157 N
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For flow over a flat plate with an extremely rough surface, convection heat transfer effects are known to be correlated by the
Nμ x= 0.04 Rex^0.9 Pr^1/3
For airflow (v =15.89x10^-6m² /s, Pr=0.71 and density 1.16kg/m^3) at 50 m/s, what is the surface shear stress at x =1m from the leading edge of the plate?
Answers
Answer: the surface shear stress at x =1m from the leading edge of the plate is 4.1973 N/m²
Explanation:
Given that;
density s = 1.16 kg/m³
velocity = u = 50 m/s
kinetic viscosity r = 15.89 × 10⁻⁶ m²/s
xL = 1m from the leading edge of the plate
Now Reynold number (Rex)
Rex = UxL / r
Rex = (50 m/s × 1m ) / 15.89 × 10⁻⁶ m²/s
Rex = 3146633.1025
since Rex is greater than 5×10⁵ { Turbulent flow }
so Local skin friction coefficient
⇒ Cfx = 0.0577 / (Rex)^1/5
Cfx = 0.0577 / (3146633.1025)^1/5
Cfx = 0.0028947
Now Shear stress (y)
y = Cfx × 1/2 × su²
y = 0.0028947 × 1/2 × 1.16 × (50)²
y = 4.1973 N/m²
∴ the surface shear stress at x =1m from the leading edge of the plate is 4.1973 N/m²
A plant engineer wishes to know which of two types of lightbulbs should be used to light a warehouse. The bulbs that are currently used cost $41.1 per bulb and last 14600 hours before burning out. The new bulb (at $52.3 per bulb) provides the same amount of light and consumes the same amount of energy, but it lasts twice as long. The labor cost to change a bulb is $19. The lights are on 19 hours a day, 365 days a year. (Assume that the firm's marginal tax rate is 25%.) If the firm's MARR is 16%, what is the maximum price (per bulb) the engineer should be willing to pay to switch to the new bulb? Round the service life of the old bulb to the nearest whole number.
Answers
We have that the new bulb 's Price is P is mathematically given as
P= $100.68
Bulb PriceGenerally the Arithmetic equation for the life time of new bulb is mathematically given as
life time = old bulb life / (usage per 24 x 365)
Therefore
L= 14,600 / (19 x 365)
L= 2.10 years
Where
old bulb=(2 x 45.9) (1 + 15/100)2.10 x 2 + 16
Old bulb=$181.11
After tax
tax = 181.11(1 - 40%)
tax= $108.66
Therefore
the new bulb 's Price is P
108.66 = P x (1.7986) x (0.6)
P= $100.68
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What component in the solar cell provides electrons to replace the electrons released by the dye?.
Answers
The component in the solar cell that provides electrons to replace the electrons released by the dye is "a layer of graphite"
What is the explanation for the above process?A layer of graphite will operate as a counter electrode at the glass/electrolyte border, delivering electrons to the solution to replace these electrons that go on to the FTO glass.
They are reintroduced into the cell on a metal electrode on the rear, commonly known as the counter electrode, after passing through the external circuit and flowing into the electrolyte. The electrons are subsequently returned to the dye molecules by the electrolyte, which regenerates the oxidized dye.
PV cells make use of a variety of semiconductor materials. When exposed to light, the semiconductor absorbs the energy and converts it to negatively charged particles in the material known as electrons. This increased energy permits electrons to flow as an electrical current through the material.
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What
IS
a
3-phase system.
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Answer:
Explanation: Three-phase power is a three-wire ac power circuit with each phase ac signal 120 electrical degrees apart
You would use a _____________ gauge to check the pressure in each tire. A technician should compare the tire-pressure reading with the tire pressure specified on the side of the driver's _____________ . When servicing tires follow the _____________ procedure outlined in the owner’s manual or online service information. Correct tire-inflation pressure is printed on a placard on the _____________. Why are tires rotated? Which tire rotation method is most often recommended? _____________ An easy way to remember effective tire rotation is, “Drive wheels straight, _____________ the nondrive wheels.” A _____________ is used to ensure that the proper torque is completed on a
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Answer:
the first one is tire pressure gauge :)
Explanation: