Answer:
The answer is below
Explanation:
Given that:
Hot reservoir temperature (\(T_H\)) = 550 K, Cold reservoir temperature (\(T_C\)) = 300 K, power input (\(W_{cycle}=500 \ kW\)), cycle's coefficient of performance(\(\beta_{actual}\)) = 1.6
a) The rate of energy removal in the cold reservoir (\(Q_C\)) is given by the formula:
\(Q_C=\beta_{actual}* W_{cycle}\\\\Q_C=1.6*500\\\\Q_C=800\ kW\)
b) The maximum cycle's coefficient of performance(\(\beta_{max}\)) is:
\(\beta_{max}=\frac{T_C}{T_H-T_C}=\frac{300}{550-300}=1.5\\\\For\ minimum\ theoretical\ power\ \beta_{max}=\beta_{actual}=1.5\\\\W_{cycle}=\frac{Q_C}{\beta_{actual}} =\frac{800}{1.5} \\\\W_{cycle}=533.3\ kW\)
Which tool is used for cutting bricks and other masonry materials with precision?
Answer:
A turbo blade has the best features from both other types of blade. The continuous, serrated edge makes for fast cutting while remaining smooth and clean. They are mostly used to cut a variety of materials, such as tile, stone, marble, granite, masonry, and many other building materials.
Explanation:
Answer:
Masonry Saw
Explanation:
Masonry Saws can be used to cut brick, ceramic, tile and or stone.
Briefly discuss the principle forms of communication that might be utilized in the construction industry?
Answer:
xcvjchjcnjkkhjmklk heyyyy biiiiiiiittcccchhh
Which class of material is generally considered to be the weakest at room temperature, offering the lowest elastic moduli and tensile strengths?
Polymers is the referred to the class of material which is generally considered to be the weakest at room temperature, offering the lowest elastic moduli and tensile strengths and is denoted as option B.
What is a Polymer?This refers to a type of compound which are long chained and are formed from smaller repeating chemical units known as monomers through the process which is referred to as polymerization
They are usually in the form of plastics or resins and have features such as lowest elastic moduli and tensile strengths thereby making it the most appropriate choice.
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The options incliude:
A.Metal
B.Polymer
C.Ceramics
D.Composites
Use the formula method to determine the resultant force that this liquid exerts on plate B.
Use the formula method to determine the location of the resultant force that this liquid exerts on plate B measured from the bottom of the tank.
The force that this liquid ultimately exerts on plate B is therefore: F = 1000 kg/m3 9.8 m/s2 0.5 m2 2 m = 98 N
How does force work?A push is an effect that can alter an object's motion according to physics. A force may cause an object with mass to accelerate when it changes its velocity, for as when it drifts away from rest. A known way to describe force is as a push or a pull. A vector quantity, it has both direction and magnitude. It is computed using the newton SI unit (N). Force is represented by the letter F. (formerly P).
What three qualities do all forces share?Forces are always strong and have a purpose. As seen in the video whenever Zoe softly strikes the golf ball, forces can be mild. Or even a force can indeed be strong, as in the case of Izzy's powerful strike on the ball. Forces have a direction as well.
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How 3D printer works?
They use an inklike plastic that goes through a fine needle or dispenser that make the shape you want with a cierten code by the computer.this is a simple way of saying it.
Which of the following is an example of a tax
Answer:
A tax is a monetary payment without the right to individual consideration, which a public law imposes on all taxable persons - including both natural and legal persons - in order to generate income. This means that taxes are public-law levies that everyone must pay to cover general financial needs who meet the criteria of tax liability, whereby the generation of income should at least be an auxiliary purpose. Taxes are usually the main source of income of a modern state. Due to the financial implications for all citizens and the complex tax legislation, taxes and other charges are an ongoing political and social issue.
I dont know I asked this to
Explanation:
application's of kirchoff's law
A liquid of specific heat 3000J/kgk rise from 15°c to 65°c in 1 min when an electric heater is used. If the heater generate 63000J, calculate the mass of the water
Answer:
0.42 kg
Explanation:
Heat is proportional to mass by way of the conversion factor that is the inverse of the specific heat.
\(\dfrac{63000\text{ J}}{\dfrac{3000\text{ J}}{\text{kg$\cdot$K}}\cdot(65-15)\text{ K}}=0.42\text{ kg}\)
The mass of the liquid is about 0.42 kg.
Hi, can anyone draw me an isometric image of this shape?
What are the limitations of portable computers?
You can read about it here https://www.cornellcollege.edu/information-technology/policies/technology-policies/limitations-of-laptops.shtml
What are the 3 types of irony and examples?.
The three types of irony are Verbal Irony, Situational Irony, and Dramatic Irony.
Example of Verbal Irony:
When a statement's intended meaning differs from what is actually said, it is said to be verbally ironic.In Shrek, Donkey asks Shrek if he can stay with him. Shrek replies, "Of course," when he really means, "No, not really."Example of Situational Irony:
Situational irony occurs when a situation's conclusion is completely unanticipated. For instance, everyone in Emerald City believes that Oz is strong and impressive in the book The Wonderful Wizard of Oz. Oz, however, turns out to be the exact opposite—an aged guy devoid of any supernatural abilities.Example of Dramatic Irony:
Dramatic irony occurs when characters are unaware of information that the audience is aware of.When the readers are aware that a deadly shark is present in the water but the carefree beachgoers are unaware that they are being pursued.What is Irony?
When something unexpected occurs, it is ironic. The thing opposite to what we anticipate usually occurs, and this is either humorous or dramatic.
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What can be used as a tracing powder when checking for small oil leaks
Answer:
Talcum powder!
Explanation:
How to find the source of an oil leak:
This method simply involves using Talcum Powder as a visual aid to help pinpoint the location of an oil leak,
so you use Talcum powder for small oil leak :]
Have a wonderful day!
Given the binary number 11011011
What is its
Unsigned binary Number ?
Answer:
219
Explanation:
Unsigned binary number (base two) 1101 1011 converted to decimal system (base ten) positive integer = 219.
Answer:219
Explanation:128+64+16+8+2+1
In the shop which of these indicates caution?
A: Red Light
B: Orange Light
C: Yellow Light
D: Green Light
Answer:
Yellow light
Explanation:
The flashing yellow light means: "proceed with caution." Traffic facing the yellow light has the right-of-way, but oncoming traffic usually also has a flashing yellow light, and cross-traffic will have a flashing red light.
YELLOW—A yellow signal light warns you that the red signal is about to appear. When you see the yellow light, you should stop, if you can do so safely. If you can't stop, look out for vehicles that may enter the intersection when the light changes. FLASHING YELLOW— What does a flashing yellow light mean?
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A series circuit contains four resistors. In the circuit, R1 is 80 , R2 is 60 , R3 is 90 , and R4 is 100 . What is the total resistance? A. 330 B. 250 C. 460 D. 70.3
What major financial flop led to the end of the Sega Dreamcast and ultimately caused Sega to stop making game consoles altogether?
1: The founder and CEO of Sega was found to be secretly skimming money off of the top of profits, leading to widespread distrust by the public and a sharp decline in sales until they ultimately had to shut down due to making no profit.
2: A small group of employees found a way to drain all of the Sega Corporation funding accounts and flee the country with all of the money, never to be heard from again.
3: A game called Shenmue, that cost more than $70 million to make, meant that everyone who owned a Dreamcast needed to buy two copies of the game just for Sega to make back the money they had spent to develop it-which didn't happen.
4: A game called Katamari Damacy that carried a virus that would infect any console that it was played on forced Sega to spend millions of dollars in refunds and bankrupted the company.
Answer:
The major financial flop that led to the end of the Sega Dreamcast and ultimately caused Sega to stop making game consoles altogether is:
3: A game called Shenmue, that cost more than $70 million to make, meant that everyone who owned a Dreamcast needed to buy two copies of the game just for Sega to make back the money they had spent to develop it-which didn't happen.
Explanation:
Shenmue, released on December 29, 1999, was created for Dreamcast by Suzuki. It was widely described as the most expensive video game ever produced. It had an estimated production and marketing cost of between US$47 and $70 million, according to the latest available data.
Under a subsection for geological hazards the buyer is encouraged to obtain an read the booklet
Answer:
Buyer is encouraged to obtain and read the booklet entitled "The Homeowners Guide to Earthquake Safety." In most cases a questionnaire within the booklet must be completed by Seller and the entire booklet given to the Buyer if the Property was built prior to 1960.
Air at 311 K is flowing through a packed bed of spheres having a diameter of 12.7 mm. the void fraction ε of the bed is 0.38 and the bed has a diameter of 0.61 m and a height of 2.44 m. the air enters the bed at 1.1 atm abs at the rate of 0.358 kg/s. calculate the pressure drop of the air in the packed bed column. The average molecular weight of air is 29. Ans: 005 x10 Pa
Given information: Air temperature at inlet, T1 = 311 KcVoid fraction, ε = 0.38Bed diameter, d = 0.61 mBed height, H = 2.44 mInlet pressure, P1 = 1.1 atm absAir mass flow rate,
Calculation of Ergun's ConstantsThe Ergun equation is expressed as,∆P/L = [(150 × (1 - ε)² × μ / d³) + (1.75 × (1 - ε) / ε³) × ρ × V1² / d](Where, L is the length of the bed.)Substituting the values of constants,∆P/L = [(150 × 0.38² × 1.898 × 10⁻⁵ / (0.0127)³) + (1.75 × (0.38) / (0.62⁻³)) × 84.378 × (17.448)² / (0.0127)]∆P/L = 848.83 Pa/mPressure drop through the bed,∆P = (∆P/L) × L = 848.83 × 2.44 = 2071.17 Pa= 0.207 × 10⁵ Pa (approx.)
The first step is to calculate the air's velocity through the bed. The packed bed is made up of spheres with a diameter of 12.7 mm, with a void fraction of 0.38. The packed bed's diameter and height are 0.61 m and 2.44 m, respectively. The air enters the bed at a pressure of 1.1 atm abs and a mass flow rate of 0.358 kg/s. The molecular weight of air is 29.
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A bumper switch is mounted to a robot with a Cortex controller. The bumper switch is connected to digital input port #2. The robot is direct drive.
Based on the information you provided, it sounds like the bumper switch is a sensor that is mounted onto the robot and is used to detect contact with other objects.
The Cortex controller is the main brain of the robot and allows it to process and respond to input from various sensors, including the bumper switch. The bumper switch is specifically connected to the digital input port #2, which means that the controller is receiving input from that particular port.
As for the direct drive aspect, this means that the robot is powered by motors that are directly connected to the wheels or other moving parts, rather than using gears or other mechanical components to transmit power.
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A bar of mild steel has a diameter of 75 mm and is placed inside a hollow aluminum cylinder ofinternal diameter 75 mmand external diameter 100 mm; both bar and cylinder are the same length. Theresulting composite bar is subjected to an axial compressive load of 1000 kN. If the bar and cylindercontract by the same amount, calculate the stress in each. The temperature of the compressed compositebar is then reduced by 150Cbut no change in length is permitted. Calculate the final stress in the bar and the cylinder if E(steel)= 200,000 N/mm^2, E(aluminum)= 80,000 N/mm^2, coefficient of linear expansion for steel= 0. 0000012/C and coefficient of linear expansion for aluminum= 0. 000005/C
According to the question: the Stress in cylinder is 1813 N/mm^2.
What is cylinder?A cylinder is a three-dimensional geometric shape with two circular bases, one at each end, connected by a curved surface. The curved surface is a straight line connecting the two circular bases and is called the side or lateral surface. The two circular surfaces that make up the cylinder are called the bases.
The initial stress in the bar and cylinder can be calculated using the following equation:
Stress = Load / (Area of bar x Area of cylinder)
Stress in bar = 1000 kN / (π*(75/2)^2 * π*(75/2)^2) = 2300 N/mm^2
Stress in cylinder = 1000 kN / (π*(75/2)^2 * π*(100/2)^2) = 1875 N/mm^2
The final stress in the bar and cylinder can be calculated using the following equation:
Stress = (Load + Change in Length * Modulus of Elasticity * Coefficient of Linear Expansion * Change in Temperature) / (Area of bar* Area of cylinder)
Stress in bar = (1000 kN + (75 mm * 200000 N/mm^2 * 0.0000012/C * -150C)) / (π*(75/2)^2 * π*(75/2)^2) = 2250 N/mm^2
Stress in cylinder = (1000 kN + (75 mm * 80000 N/mm^2 * 0.000005/C * -150C)) / (π*(75/2)^2 * π*(100/2)^2) = 1813 N/mm^2
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Hey guys can anyone list chemical engineering advancement that has been discovered within the past 20 years
A conventional steering system has all of the following except
What makes it challenging to build new nuclear power stations in the UK?
One of the major reasons is the high cost associated with the construction of new nuclear plants.
The construction and operation of nuclear plants require a significant amount of capital investment, which makes it difficult for investors to take the risk. Additionally, the high cost of decommissioning nuclear plants and the disposal of radioactive waste is also a major concern.
Another challenge associated with building new nuclear power stations is public opposition. Many people are skeptical about the safety of nuclear power, especially after incidents like in Japan. This has led to protests and campaigns against the construction of new nuclear plants, making it difficult for the government to get public support.
The lengthy regulatory process is also a major challenge in building new nuclear power stations in the UK. The approval process involves multiple stages and can take several years to complete. This results in significant delays and increased costs.
Furthermore, the lack of skilled labor and expertise in the nuclear industry is also a challenge. Many of the skilled workers in the industry are approaching retirement age, and there is a shortage of new workers to replace them.
In conclusion, building new nuclear power stations in the UK is a challenging task due to high costs, public opposition, regulatory hurdles, and a shortage of skilled workers. Addressing these challenges will be essential for the successful development of new nuclear power stations in the future.
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Although _____ V welding machines are usually hardwired into a building’s electrical system, some electrical codes permit them to be plugged into special wall receptacles.
Although most V welding machines are usually hardwired into a building’s electrical system, some electrical codes permit them to be plugged into special wall receptacles. This can provide more flexibility in the placement of the machine and make it easier to move around if necessary.
V welding machines are powerful tools used for welding metals together. They are typically designed to operate on a high voltage and amperage electrical system. In most cases, V welding machines are hardwired into a building's electrical system, which means they are permanently connected to the electrical supply.
However, some electrical codes permit V welding machines to be plugged into special wall receptacles. This can provide more flexibility in the placement of the machine and make it easier to move around if necessary. The receptacles used for V welding machines are designed to handle the high voltage and amperage requirements of the machine, and they are usually labeled to indicate that they are intended for this specific use.
Before plugging a V welding machine into a wall receptacle, it is important to check local electrical codes and ensure that the receptacle is properly rated to handle the voltage and amperage requirements of the welding machine. This will help to prevent electrical hazards and ensure that the machine operates safely and efficiently. Additionally, it is important to ensure that the machine is grounded to prevent electrical shock and damage to the equipment.
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Estimate properties and pipe diameter Determine the diameter of a steel pipe that is to carry 2000 gal/min of gasoline with a pressure drop of 5 psi per 100 ft of horizontal pipe. Pressure drop is a function of flow rate, length, diameter, and roughness. Either iterative methods OR equation solvers are necessary to solve implicit problems. Total head is the sum of the pressure, velocity, and elevation. What is the density of gasoline
Answer:
Diameter of pipe is 0.535 ft
Explanation:
see attachment, its works out 1st half
The accompanying specific gravity values describe various wood types used in construction. 0.320.350.360.360.370.380.400.400.40 0.410.410.420.420.420.420.420.430.44 0.450.460.460.470.480.480.490.510.54 0.540.550.580.630.660.660.670.680.78 Construct a stem-and-leaf display using repeated stems. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.)
Answer:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ \\ {0.3} & {\vert} & {2\ 5\ 6\ 6\ 7\ 8} \ \\ \\{0.4} & {\vert} & {0\ 0\ 0\ 1\ 1\ 2\ 2\ 2\ 2\ 2\ 3\ 4\ 5\ 6\ 6\ 7\ 8\ 8\ 9} \ \\ \ \\ {0.5} & {\vert} & {1\ 4\ 4\ 5\ 8} \ \\ \ \\ {0.6} & {\vert} & {3\ 6\ 6\ 7\ 8} \ \\ \ \\ {0.7} & {\vert} & {8} \ \ \end{array}\)
Explanation:
Given
\(0.32,\ 0.35,\ 0.36,\ 0.36,\ 0.37,\ 0.38,\ 0.40,\ 0.40,\ 0.40,\ 0.41,\)
\(0.41,\ 0.42,\ 0.42,\ 0.42,\ 0.42,\ 0.42,\ 0.43,\ 0.44,\ 0.45,\ 0.46,\)
\(0.46,\ 0.47,\ 0.48,\ 0.48,\ 0.49,\ 0.51,\ 0.54,\ 0.54,\ 0.55,\)
\(0.58,\ 0.63,\ 0.66,\ 0.66,\ 0.67,\ 0.68,\ 0.78.\)
Required
Plot a steam and leaf display for the given data
Start by categorizing the data by their tenth values:
\(0.32,\ 0.35,\ 0.36,\ 0.36,\ 0.37,\ 0.38.\)
\(0.40,\ 0.40,\ 0.40,\ 0.41,\ 0.41,\ 0.42,\ 0.42,\ 0.42,\ 0.42,\ 0.42,\)
\(0.43,\ 0.44,\ 0.45,\ 0.46,\ 0.46,\ 0.47,\ 0.48,\ 0.48,\ 0.49.\)
\(0.51,\ 0.54,\ 0.54,\ 0.55,\ 0.58.\)
\(0.63,\ 0.66,\ 0.66,\ 0.67,\ 0.68.\)
\(0.78.\)
The 0.3's is will be plotted as thus:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.3} & {\vert} & {2\ 5\ 6\ 6\ 7\ 8} \ \ \end{array}\)
The 0.4's is as follows:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.4} & {\vert} & {0\ 0\ 0\ 1\ 1\ 2\ 2\ 2\ 2\ 2\ 3\ 4\ 5\ 6\ 6\ 7\ 8\ 8\ 9} \ \ \end{array}\)
The 0.5's is as follows:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.5} & {\vert} & {1\ 4\ 4\ 5\ 8} \ \ \end{array}\)
The 0.6's is as thus:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.6} & {\vert} & {3\ 6\ 6\ 7\ 8} \ \ \end{array}\)
Lastly, the 0.7's is as thus:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ {0.7} & {\vert} & {8} \ \ \end{array}\)
The combined steam and leaf plot is:
\(\begin{array}{ccc}{Steam} & {\vert} & {Leaf} \ \\ \\ {0.3} & {\vert} & {2\ 5\ 6\ 6\ 7\ 8} \ \\ \\{0.4} & {\vert} & {0\ 0\ 0\ 1\ 1\ 2\ 2\ 2\ 2\ 2\ 3\ 4\ 5\ 6\ 6\ 7\ 8\ 8\ 9} \ \\ \ \\ {0.5} & {\vert} & {1\ 4\ 4\ 5\ 8} \ \\ \ \\ {0.6} & {\vert} & {3\ 6\ 6\ 7\ 8} \ \\ \ \\ {0.7} & {\vert} & {8} \ \ \end{array}\)
A forklift will tip over if the center of gravity is outside the stability triangle. True or false?
Answer:
True
Explanation:
A forklift will tip over if the center of gravity is outside the stability triangle. The stability triangle refers to the area within the three wheels of a forklift that ensures the stability of the machine and prevents tipping. If the center of gravity of the load being carried by the forklift moves outside of the stability triangle, the machine becomes unstable and is at risk of tipping over. It's important to properly balance the load on a forklift and ensure that the center of gravity stays within the stability triangle to avoid accidents and maintain safety.
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for fully developed turbulent channel flow, show that the reynolds shear stress can be written as
For fully developed turbulent channel flow, the Reynolds shear stress can be written as:
τ = -ρu'v'
where τ is the Reynolds shear stress, ρ is the density of the fluid, u' is the fluctuating velocity component in the streamwise direction, and v' is the fluctuating velocity component in the wall-normal direction.
This equation is derived from the Navier-Stokes equations, which describe the motion of fluid in a channel. In fully developed turbulent flow, the flow has reached a steady state, where the mean velocity profile is fully developed and does not change over time.
The Reynolds shear stress is a measure of the fluctuating component of the velocity, and it plays an important role in determining the transport of momentum and energy in the channel. It is one of the key parameters used to describe the turbulence in the flow.
In summary, for fully developed turbulent channel flow, the Reynolds shear stress can be written as τ = -ρu'v', where u' and v' are the fluctuating velocity components in the streamwise and wall-normal directions, respectively.
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what ppe is required for workers applying cement, sand, and water mixture through a pneumatic hose?
Answer:
head and face gear
Explanation:
The required PPE (Personal Protective Equipment) for workers applying a cement, sand, and water mixture through a pneumatic hose includes the following:
1. Safety goggles or face shield: To protect the workers' eyes from dust and any flying debris during the application process.
2. Dust mask or respirator: To protect workers from inhaling harmful dust and particles generated from the cement mixture.
3. Gloves: To protect workers' hands from the abrasive and potentially harmful substances in the cement mixture, as well as from any possible injuries during the operation of the pneumatic hose.
4. Protective clothing: Long-sleeved shirts and full-length pants to protect the skin from cement contact, which can cause irritation or burns.
5. Safety boots: To protect workers' feet from any heavy objects or equipment that may be dropped, and to provide a better grip on slippery surfaces.
6. Hearing protection: Earplugs or earmuffs to protect workers' hearing from the loud noise generated by the pneumatic hose during operation.
Workers are applying cement, sand, and water mixture through a pneumatic hose, they should wear safety goggles, dust masks or respirators, gloves, protective clothing, safety boots, and hearing protection as part of their PPE.
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what type of address do computer use to find something on network?
ip address
url address
mac address
isp address
Answer:
The answer would be ISP address
Explanation:
An Internet Protocol address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. An IP address serves two main functions host or network interface identification and location addressing which can help you a lot.
The type of address the computer use to find something on network is ISP address.
What is ISP?ISP is simply Internet service provider. They are companies which provides internet services to people. They charge based on the quantity of their service used at a particular time. ISP companies also provide softwares for its users.
What is IP address?An Internet Protocol address refers to a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
Therefore, the correct answer is option D
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