The given transmission line is a lossy transmission line with resistance, inductance, conductance, and capacitance per unit length.
To determine the type of the transmission line, we can analyze its parameters. Since the line parameters consist of resistance (Rd), inductance (Ld), conductance (Gd), and capacitance (Cd), it indicates that the line is a distributed parameter transmission line. Distributed parameter transmission lines are characterized by having continuous and distributed values of resistance, inductance, conductance, and capacitance along the line. This is in contrast to lumped parameter transmission lines, which have discrete values of these parameters.
Now, let's calculate the per unit length impedance (Z), admittance (Y), characteristic impedance (Z0), and propagation constant (γ) of the line:
a) The per unit length impedance Z = Rd + jωLd, where ω = 2πf is the angular frequency. Substituting the given values, we have Z = 0.25Ω/mL + j(2πf)(0.075×10\(^(-3)\)H/m).
b) The per unit length admittance Y = Gd + jωCd, where Gd is the conductance and Cd is the capacitance per unit length. Substituting the given values, we have Y = (25×10\(^(-9)\)S/m) + j(2πf)(4.5×10\(^(-12)\)F/m).
c) The characteristic impedance Z0 of the line is given by Z0 = √(Z/Y). Substituting the values of Z and Y calculated in the previous steps, we can find Z0.
d) The propagation constant γ is given by γ = α + jβ, where α is the attenuation constant and β is the phase constant. The attenuation constant α can be calculated using α = √(RdGd) and the phase constant β can be calculated using β = ω√(LdCd).
By performing these calculations, we can determine the per unit length impedance, admittance, characteristic impedance, and propagation constant of the given transmission line.
Learn more about transmission line
brainly.com/question/32356517
#SPJ11
Measuring the current flow required by a horn requires that the ammeter be connected to the circuit
_____ and the horn button be depressed by an assistant.
Answer:
hi there I have attached my resume for your reference and hope to see you all there are other
Explanation:
hi apner name ki and I like the country studies
No compiler is provided in this environment. Perhaps you are running on a jre rather than a jdk?.
the correct answer is to Maven error will disappear when running on a jre rather than a jdk.
Maven is a popular open-source build tool developed by the Apache Group to build, publish, and deploy several projects at once for better project management. The tool provides allows developers to build and document the lifecycle framework.This error usually indicates a problem with the compiler version compatibility, and you can check few places to fix it. For example, you can edit your POM and configure Maven compiler plugin to compile your Java code.
To learn more about Maven error click the link below:
brainly.com/question/16621110
#SPJ4
When one knows the true values x1 and x2 and has approximations X1 and X2 at hand, one can see where errors may arise. By viewing error as something to be added to an approximation to attain a true value, it follows that the error ei is related to Xi and xi as xi 5 Xi 1 ei (a) Show that the error in a sum X1 1 X2 is (x1 1 x2) 2 (X1 1 X2) 5 e1 1 e2 (b) Show that the error in a difference X1 2 X2 is (x1 2 x2) 2 (X1 2 X2) 5 e1 2 e2 (c) Show that the error in a product X1X2 is x1x2 2 X1X2 < X1X2 a e1 X1 1 e2 X2 b (d) Show that in a quotient X1yX2 the error is x1 x2 2 X1 X2 < X1 X2 a e1 X1 2 e2 X2 b
Answer:
(a) For the sum X1 + X2, we have:
X1 + X2 = (x1 + e1) + (x2 + e2)
= x1 + x2 + (e1 + e2)
The error in the sum is given by:
e1 + e2 = (x1 + e1) + (x2 + e2) - (x1 + x2)
= (x1 + x2) + (e1 + e2) - (x1 + x2)
= e1 + e2
Therefore, the error in the sum is e1 + e2, as required.
(b) For the difference X1 - X2, we have:
X1 - X2 = (x1 + e1) - (x2 + e2)
= x1 - x2 + (e1 - e2)
The error in the difference is given by:
e1 - e2 = (x1 + e1) - (x2 + e2) - (x1 - x2)
= (x1 - x2) + (e1 - e2) - (x1 + x2)
= e1 - e2
Therefore, the error in the difference is e1 - e2, as required.
(c) Show that the error in a product X1X2 is:
x1x2 - X1X2 ≈ (X1 * e2) + (X2 * e1)
Proof:
We start with the equation:
X1X2 = (x1 + e1)(x2 + e2)
Expanding the right side of the equation, we get:
X1X2 = x1x2 + x1e2 + x2e1 + e1e2
Subtracting x1x2 from both sides, we get:
x1x2 - X1X2 = x1e2 + x2e1 + e1e2
Since e1 and e2 are small compared to x1 and x2, we can ignore the e1e2 term. Therefore, we can approximate the error as:
x1x2 - X1X2 ≈ (X1 * e2) + (X2 * e1)
(d) Show that in a quotient X1 / X2, the error is:
(x1 / x2) - (X1 / X2) ≈ ((e1 * X2) - (e2 * X1)) / (X2)^2
Proof:
We start with the equation:
X1 / X2 = (x1 + e1) / (x2 + e2)
Expanding the right side of the equation, we get:
X1 / X2 = (x1 / x2) + (x1 * e2 - x2 * e1) / (x2)^2 + e1 / x2 - e2 * x1 / (x2)^2
Subtracting (x1 / x2) from both sides, we get:
(x1 / x2) - (X1 / X2) = (x1 * e2 - x2 * e1) / (x2)^2 + e1 / x2 - e2 * x1 / (x2)^2
Simplifying the expression, we get:
(x1 / x2) - (X1 / X2) ≈ ((e1 * X2) - (e2 * X1)) / (X2)^2
This is the error in the quotient.
Explanation:
If your accelerator is stuck while driving what do you do first
If your accelerator gets stuck down, do the following:
Shift to neutral.
Apply the brakes.
Keep your eyes on the road and look for a way out.
Warn other drivers by blinking and flashing your hazard lights.
Try to drive the car safely off the road.
Turn off the ignition when you no longer need to change direction.
Answer:Kick the accelerator to dislodge it
Explanation:
Never reach down with your hand while driving, it's not safe.
1. A hydro facility operates with an elevation difference of 50 m and a flow rate of 500 m3/s. If the rotational speed is 90 RPM, find the most suitable type of turbine and estimate the power output of the arrangement
Answer:
a) Pelton Turbine
b) \(P=2.42*10^{5}KW\)
Explanation:
From the question we are told that:
Height \(h=50\)
Flow Rate \(R= 500 m^3/s\)
Rotational speed \(\omega=\90 RPM\)
Let
Density of water
\(\rho=1000\)
Generally the equation for momentum is mathematically given by
\(P=\rho gRh\)
\(P=1000*9.81*500*50\)
\(P=2.42*10^{5}KW\)
what type of heating system uses a boiler to produce steam, which is transferred to rooms through a pipe?
A steam heating system is a type of heating system that uses a boiler to produce steam, which is then distributed through a network of pipes to various rooms in a building. The steam is typically generated by heating water to its boiling point, and the resulting steam is used to transfer heat to the rooms through the pipes. The steam can be used to heat the air in the rooms directly, or it can be used to heat water or other fluids in a radiator or other heat exchanger, which can then be used to transfer heat to the air in the room.
A spring having a stiffness k is compressed a distance δ. The stored energy in the spring is used to drive a machine which requires power P. Determine how long the spring can supply energy at the required rate.
Units Used: kN = 103 N
Given: k = 5 kN/m; δ = 400 mm; P = 90 W
Answer:
30w
Explanation:
a) The main difference between equilibrium and non-equilibrium cooling process is (MORE THAN ONE ANSWER)
a. In equilibrium process, the composition of the phase formed is uniform throughout. But in non-equilibrium cooling process the first solid formed may have a higher solute composition than the next solid that forms leading to the formation of a cored structure
b. Equilibrium cooling gives us a desired microstructure and is the process normally used in industries to make metal bars from the molten state
c. Sufficient time is available for the solute to diffuse in non-equilibrium cooling, but in equilibrium cooling there is no diffusion of solute
d. In equilibrium cooling, the cooling rate is so slow, whereas, non-equilibrium cooling process has a higher cooling rate.
e. The typical solidification or cooling process in industries is the non-equilibrium cooling process
The main difference between equilibrium and non-equilibrium cooling processes is that- (a) in an equilibrium process, the composition of the phase formed is uniform throughout. This is because there is sufficient time for the solute to diffuse and reach an equilibrium state.
On the other hand, in a non-equilibrium cooling process, the first solid formed may have a higher solute composition than the next solid that forms.
This can lead to the formation of a cored structure, where the outer layers of the solid have a different composition than the inner layers.Equilibrium cooling is the process normally used in industries to make metal bars from the molten state because it gives us a desired microstructure. In this process, the cooling rate is slow, and there is no diffusion of solute. This ensures that the composition of the solid formed is uniform throughout.Non-equilibrium cooling, on the other hand, has a higher cooling rate. This means that there is less time for the solute to diffuse, and the composition of the solid formed may not be uniform throughout. However, the typical solidification or cooling process in industries is the non-equilibrium cooling process due to its faster cooling rate and practical considerations.Know more about the cooling processes
https://brainly.com/question/29844165
#SPJ11
A vehicle experiences hard shifting. Technician A says that the bell housing may be misaligned. Technician B says that incorrect oil may have been put in the transmission. Who is correct? Group of answer choices
Answer:
Technician B
Explanation:
Vehicle hard shifting is a situation whereby the vehicle faces difficulty or shakes when changing gears/speed.
Actually technician B is correct, the primary reason for hard shifting is low level of transmission fluid, hard shifts can also be caused by excessive line pressure due to a clog or malfunctioning shift solenoid.
Technician A says that latent heat is hidden heat and cannot be measured on a thermometer. Technician B says that latent heat is hidden heat that is required for a change of state of matter. Who is correct? a. A only b. B only c. Both A and B d. Neither A nor B
Answer: C
Both A and B are correct
Explanation:
Latent heat is the hidden heat.
Latent heat is the heat energy required to change one state of matter to another state of matter without change in temperature. For example, solid state to liquid state, or liquid state to gaseous state.
Thermometer can not detect the latent heat. That is why it is called hidden heat.
If Technician A says that latent heat is hidden heat and cannot be measured on a thermometer. And Technician B says that latent heat is hidden heat that is required for a change of state of matter, then we can therefore conclude that both Technician A and Technician B are correct.
a commercial refrigerator with r-134a as the working fluid is used to keep the refrigerated space at -35 c by rejecting waste heat to cooling water that enters the condenser at 18 c at a rate of 0.25 kg/s and leaves at 26 c. the refrigerant enters the condenser at 1.2 mpa and 50 c and leaves at the same pressure subcooled by 6 c. if the compressor consumes 3.3 kw of power , determine (a) the mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.
At 1.2mpa pressure and 50c
What is pressure?
By pressing a knife against some fruit, one can see a straightforward illustration of pressure. The surface won't be cut if you press the flat part of the knife against the fruit. The force is dispersed over a wide area (low pressure).
a)Mass flow rate of the refrigerant
Therefore h1= condenser inlet enthalpy =278.28KJ/Kg
saturation temperature at 1.2mpa is 46.29C
Therefore the temperature of the condenser
T2 = 46.29C - 5
T2 = 41.29C
Now,
d)power consumed by compressor W = 3.3KW
Q4 = QL + w = Q4
QL = mR(h1-h2)-W
= 0.0498 x (278.26 - 110.19)-3.3
=5.074KW
Hence refrigerator load is 5.74Kg
(COP)r = 238/53
(Cop) = 4.490
Therefore the above values are the (a) mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.
To learn more about pressure
https://brainly.com/question/13717268
#SPJ4
40. AASHTO assumes a deceleration value in calculating SSD of:
a. 14 ft /sec2
b. 11.2 ft /sec2
c. 9.6 ft /sec2
d. 10.2 ft /sec2
AASHTO assumes a deceleration value in calculating stopping sight distance (SSD) of B. 11.2 ft/s^2. This doesn't take any road defects into account.
Trade-offs can be necessary at any point in time during the life cycle of a project. It is quite possible, and probable, for the criteria for the trade-offs to change over the life cycle of the project. Please also identifies how the relative importance of constraints of time, cost, and performance can change over the life cycle of the project.
Answer:
According to the Principles of Project management, the three factors which dominate the lifecycle of any project are:
Time;Cost; andPerformance.The relationship between the three is usually governed by trade-offs.
Explanation:
In simple term, in executing a project, one must deal with the factors mentioned above.
It is always desirous for a project to be finished within a stipulated time. If the time required is reduced inconsiderably, it will most likely incur more cost and even impact performance.
On the other hand, if the project is cost-sensitive and is executed to a very minimalistic budget, performance will be impacted and it may take a protracted amount of time.
In addition to the above, if the principal decides to change the original design of the project, the performance expected is altered. This will attract additional time as well as cost.
It is possible for any of the above factors to be renegotiated and readjusted at any time during the project. It usually is a trade-off.. that is one for the other.
Cheers!
When is it critical to provide a destructor with a C++ abstract data type? a. When any data member is a constant allocated on the stack b. When any data member is a variable allocated on the heap pointed to by an explicit pointer c. When any data member is a variable allocated on the stack d. When any data member is static variable
It is critical to provide a destructor with a C++ abstract data type when any data member is a variable allocated on the heap pointed to by an explicit pointer (option b).
In C++, when a class contains dynamically allocated resources, such as memory allocated using new, it is the responsibility of the class to properly deallocate those resources when the object is destroyed. This is typically done in the destructor of the class.
If any data member in the abstract data type is a variable allocated on the heap and managed through an explicit pointer, failing to provide a destructor can lead to memory leaks. Without a destructor, the memory allocated on the heap will not be released, resulting in potential memory leaks and resource wastage.
By providing a destructor, you can ensure that the dynamically allocated resources are properly released and deallocated when the object is destroyed. The destructor can contain the necessary cleanup code to free the memory and release any other resources held by the object.
Therefore, option b is the correct choice: When any data member is a variable allocated on the heap pointed to by an explicit pointer.
Learn more about destructor here
https://brainly.com/question/32198201
#SPJ11
Tech A says that vacuum boosters use only single diaphragms to extract power from the atmospheric pressure and transmit force to the master cylinder. Tech B says that a 12? vacuum booster is not capable of generating enough psi to stop a vehicle weighing thousands of pounds. Who is correct?
A brake booster, also known as a 'brake servo' or 'vacuum booster', does exactly as the name suggests, it helps to 'boost' the performance of the brakes.
Explain about vacuum booster:A brake booster makes it easier for the driver to brake by increasing the force exerted without the need for additional force applied on the foot pedal.The vacuum booster is a metal canister that contains a clever valve and a diaphragm. A rod going through the center of the canister connects to the master cylinder's piston on one side and to the pedal linkage on the other.Brakes are arguably your car's most vital system: Other breakdowns might be a hassle, but brake failure could spell outright catastrophe. Such mishaps are preventable, however, if you check your brakes regularly. A soft brake pedal could signify that it's time to bleed your brakes, and slow stop times or brake lockups imply a faulty proportioning valve. We'll tell you what tools you'll need to bleed your brakes and check your brake-proportioning valve belowThis is important because the vacuum booster has to be able to provide enough boost for a driver to make several stops in the event that the engine stops running -- you certainly don't want to lose brake function if you run out of gas on the highway.To learn more about vacuum booster refer to;
https://brainly.com/question/29312942
#SPJ1
What is the difference between digital instruments and decimal scaled instruments to measure
Answer Digital measuring instruments are self-contained devices that automatically present the value of the measured quantity on a digital display. And Decimal Scaled Instruments: Record all digits that you can certainly determine from the scale markings and estimate one more digit. I hope this Helped I´m new to this.
Explanation:
this type of member function may be called from a statement outside the class. group of answer choices global undeclared none of these public private
The type of member function that may be called from a statement outside the class is a public function. Public functions are accessible from outside the class and can be called by any part of the program.
This is in contrast to private functions, which are only accessible from within the class and cannot be called from outside the class. In addition, there is another term that is related to public and private functions, which is "global".
Global functions are functions that are not part of a class and can be accessed from anywhere in the program. They are similar to public functions in that they are accessible from outside the class, but they are not part of any specific class.
It is important to use public and private functions to control the access to the members of a class. Public functions are used to provide an interface to the class that can be accessed from outside the class, while private functions are used to encapsulate the implementation details of the class and are not accessible from outside the class. This helps to prevent the accidental modification of the internal state of the class by external code, which can lead to unexpected behavior and bugs in the program.
Learn more about bugs in the program here:
brainly.com/question/15904404
#SPJ11
To determine what type of member function can be called from a statement outside class:
The type of member function that may be called from a statement outside the class is a "public" function.
Public member functions can be accessed from outside the class, allowing other parts of the code to interact with the class and use its functionality.
Learn more about member functions: https://brainly.com/question/30009557
#SPJ11
The fracture toughness of a stainless steel is 137 MPa*m12. What is the tensile impact load sustainable before fracture that a rod can withstand with a pre-existing surface crack of 2 mm, given a square cross-section of 4.5 mm on each side, in kiloNewtons
Answer:
7.7 kN
Explanation:
The capacity of a material having a crack to withstand fracture is referred to as fracture toughness.
It can be expressed by using the formula:
\(K = \sigma Y \sqrt{\pi a}\)
where;
fracture toughness K = 137 MPa\(m^{1/2}\)
geometry factor Y = 1
applied stress \(\sigma\) = ???
crack length a = 2mm = 0.002
∴
\(137 =\sigma \times 1 \sqrt{ \pi \times 0.002 }\)
\(137 =\sigma \times 0.07926\)
\(\dfrac{137}{0.07926} =\sigma\)
\(\sigma = 1728.489 MPa\)
Now, the tensile impact obtained is:
\(\sigma = \dfrac{P}{A}\)
P = A × σ
P = 1728.289 × 4.5
P = 7777.30 N
P = 7.7 kN
The XYZ Company is planning a new product line and a new factory to produce the parts and assemble the final products. The product line will include 13 different models. Annual production of each model is expected to be 1,000 units. Each product will be assembled of 250 components, but 65% of these will be purchased parts (not made in the new factory). There is an average of 8 processing operations required to produce each component, and each processing step takes 30 sec (including an allowance for setup time and part handling). Each final unit of product takes 48 min to assemble. All processing operations are performed at work cells that include a production machine and a human worker. Products are assembled at single workstations consisting of one worker each plus assembly fixtures and tooling. Each work cell and each workstation require 25 m2 of floor space and an additional allowance of 45% must be added to the total production area for aisles, work-in-process storage, shipping and receiving, rest rooms, and other utility space. The factory will operate one shift (the day shift, 2,000 hr/yr). Determine:
(a) how many processing and assembly operations,
(b) how many workers (direct labor only), and
(c) how much total floor space will be required in the plant.
In summary, the XYZ Company will require:
(a) 705 processing and assembly operations,
(b) 710 workers (direct labor only), and
(c) 25,738 m2 of total floor space for the new plant.
How to solveTo calculate the required processing and assembly operations, workers, and total floor space for the new factory, we can break down the problem into smaller parts and analyze each element.
(a) Processing and assembly operations:
Number of components made in the factory: 250 components * 35% = 87.5 (round up to 88 components)
Processing operations for components: 88 components * 8 processing operations = 704 processing operations
Assembly operations for final product: 1 assembly operation (as each product is assembled in one workstation)
Total operations = 704 processing operations + 1 assembly operation = 705 operations
(b) Number of workers (direct labor only):
Processing workers: 704 processing operations / 1 (one worker per work cell) = 704 workers
Assembly workers: 13 models * 1000 units/model = 13,000 units/year
Assembly time per unit: 48 min/unit = 0.8 hr/unit
Assembly time for all products: 13,000 units * 0.8 hr/unit = 10,400 hr
Assembly workers required: 10,400 hr / 2,000 hr/shift = 5.2 (round up to 6 workers)
Total workers = 704 processing workers + 6 assembly workers = 710 workers
(c) Total floor space required:
Processing floor space: 704 work cells * 25 m2/cell = 17,600 m2
Assembly floor space: 6 workstations * 25 m2/station = 150 m2
Total production area: 17,600 m2 + 150 m2 = 17,750 m2
Additional allowance (45%): 17,750 m2 * 45% = 7,987.5 m2
Total floor space = 17,750 m2 + 7,987.5 m2 = 25,737.5 m2 (round to 25,738 m2)
In summary, the XYZ Company will require:
(a) 705 processing and assembly operations,
(b) 710 workers (direct labor only), and
(c) 25,738 m2 of total floor space for the new plant.
Read more about production area here:
https://brainly.com/question/13188253
#SPJ1
Write a program to play the Card Guessing Game. Your program must give the user the following choices: - Guess only the face value of the card. - Guess only the suit of the card. - Guess both the face value and the suit of the card. Before the start of the game, create a deck of cards. Before each guess, use the function random_shuffle to randomly shuffle the deck.
how am I going to do this, I have a friend that might be able to help I will check
An organization sets its standards for quality according to the best product it can produce.
True
False
Answer:
True!! took the test
Explanation:
explain the working principles of a rotary engine
Answer:
The rotary engine works on the same basic principle as the piston engine: combustion in the power plant releases energy to power the vehicle. However, the delivery system in the rotary engine is wholly unique. The piston engine performs four key operations: intake, compression, combustion, and exhaust.
Explanation:
the head development engineer calls to indicate he wants to make a small change to one of the programs that controls the shopping cart application that is used to conduct e-commerce. he indicates that he has tested the change on his system and it worked fine. using a scale of low to high, write a report explaining what risk and impact you would assign to this change and why.
The risk and impact assigned to the change requested by the head development engineer would be moderate.
Making changes to a program that controls a critical application like the shopping cart used for e-commerce carries inherent risks. While the engineer claims to have successfully tested the change on his system, it is essential to consider potential risks and impacts before implementing it on a live environment.
On the risk scale, the change can be considered moderate due to several factors. Firstly, even though the engineer tested the change on his system, it might not account for all possible scenarios and configurations in the live environment. This increases the risk of unforeseen issues arising when the change is implemented on a larger scale. Additionally, any modification to a core component like the shopping cart application can have a cascading effect on other areas of the system, potentially leading to compatibility or functionality issues.
Regarding the impact, a moderate rating is assigned because the change pertains to the shopping cart application, which directly affects the e-commerce process. Any issues or downtime related to the shopping cart can negatively impact customer experience, sales, and revenue. However, since the change is described as small and the engineer claims it worked fine in his test environment, the potential impact is not considered high.
In conclusion, while the requested change is not without risk and impact, it falls within a moderate range. It is recommended to proceed cautiously, following proper testing and quality assurance protocols before deploying the change to the live system.
Learn more about assessing risk and impact
brainly.com/question/33602752
#SPJ11
A certain boat in the Florida mangroves is traveling at a speed of 50 km/h,
driven by a 2 m diameter motor propeller, which requires an input of 20
kW of power. Assume still air, density 1.2 kg/m3
. Calculate:
(a) The push force (thrust) that the engine provides to the boat
(b) The efficiency of the propeller
The push force (thrust) that the engine provides to the boat is 2592 N.
The efficiency of the propeller is 36%.
How to determine thrust and efficiency?(a) The push force (thrust) that the engine provides to the boat can be calculated using the formula:
Thrust = Power / Velocity
where Power = input power of the propeller, and Velocity = velocity of the boat.
Substituting the given values:
Thrust = 20,000 / (50/3.6) = 2592 N
Therefore, the engine provides a push force (thrust) of 2592 N to the boat.
(b) The efficiency of the propeller can be calculated using the formula:
Efficiency = Thrust × Velocity / Power
Substituting the given values:
Efficiency = (2592 × (50/3.6)) / 20,000 = 0.36 or 36%
Therefore, the efficiency of the propeller is 36%.
Find out more on thrust here: https://brainly.com/question/18763386
#SPJ1
2.1.2. List TWO design specifications for the- a) Structure that houses the electrical system?
The two design specifications for the structure that houses the electrical system are Electrical system design and mini-pat electronic systems.
What are design specifications?The design specification is a system by which the specific design and set exactly the procedure and or the product will come out. Design specifications contain environmental factors and dimensions.
The two designs are electrical system design and mini-pat electronic systems for the structure of the electrical system of a house.
Thus, the two systems are electrical system design and mini-pat electronic systems.
To learn more about design specifications, refer to the link:
https://brainly.com/question/28166552
#SPJ1
Tech A says that air tools and equipment require a regular application of a lubricating oil to reduce wear and tear. Tech B says that some compressed air systems use an inline water trap that needs to be drained periodically. Who is correct?
Incomplete question. The options read;
A. Tech A
B. Tech B
C. Both A and B
D. Neither A nor B.
Answer:
C. Both A and B
Explanation:
Technician B is correct because the technician highlighted valid reasons why draining the compressed air systems is important.
For example, since this system helps to absorb moisture or oil from storage areas they thus need to be drained periodically in other to allow for more absorption space.
Also, the reasons mentioned by Technician A are of course correct because it is generally believed that the application of lubricants such as oil helps to reduce wear and tear.
Q. How are you informed of what to do in the event of an on-site emergency?
Answer:
I don't know
Explanation:
sorry I am answering this for points
please follow and mark as brainliest for me I will also do same
Answer:
Adapting this case to a work environment, especifically an industry, there should be a security and health brigade in charge of response against emergencies within the organization. Said brigade has the duty of giving direction to all people that could be hurt in any way by a negative event caused by the emergency These directions are given orally in the case of emergencies. Also, emergency services personnel, such as police, firefighters, and paramedics, are certified professionals who have the responsibility of protecting people against harm, and this includes giving guidance during emergencies.
In a large refrigeration plant it is necessary to compress a fluid, which we will assume to be an ideal gas with constant heat capacity, from a low pressure P1 to a much higher pressure P2.
a. If the compression is done in a single compressor that operates reversibly and adiabatically, obtain an expression for the work needed for the compression in terms of the mass flow rate, P1, P2 and the initial temperature T1.
b. If the compression is to be done in two stages, first compressing the gas from P1 to P*, then cooling the gas at constant pressure down to the compressor inlet temperature T1, and then compressing the gas to P2, develop an expression for the work needed for the compression. What should the value of the intermediate pressure be to accomplish the compression with minimum work?
The work needed for the compression of an ideal gas in a single reversible and adiabatic compressor can be expressed in terms of the mass flow rate, initial pressure (P1), final pressure (P2), and initial temperature (T1).
a. When compressing an ideal gas in a single reversible and adiabatic compressor, the work required can be calculated using the equation: W = (m_dot * R * T1) * ln(P2/P1), where W is the work, m_dot is the mass flow rate, R is the gas constant, T1 is the initial temperature, and ln represents the natural logarithm. This expression takes into account the change in pressure and temperature during the compression process.
b. In a two-stage compression process, the work needed can be minimized by selecting an intermediate pressure (P*) between P1 and P2. The value of P* should be determined such that the compression process is done with minimum work. By optimizing the pressure ratio between the stages, the work required for each compression can be reduced. To calculate the specific value of P*, detailed calculations involving thermodynamic relationships and optimization techniques are required.
In summary, the work needed for compressing an ideal gas depends on factors such as the mass flow rate, initial and final pressures, and initial temperature. In a two-stage compression process, selecting the intermediate pressure (P*) carefully can help minimize the work required. Precise calculations and analysis are necessary to determine the specific value of P*.
Learn more about an ideal gas
brainly.com/question/13463215
#SPJ11
A 1500 kg crate is pulled along the ground with a constant speed of a distance for 25m , using a cable that makes a horizontal angle of 15 ° . Determine the tension in the cable . The coefficient of kinetic friction between the ground and the crate is H4 = 0.55 .
A 1500 kg crate is pulled along the ground with a constant speed of a distance for 25m , using a cable that makes a horizontal angle of 15 ° . Determine the tension in the cable . The coefficient of kinetic friction between the ground and the crate is H4 = 0.55
Answer: s = 1.05 ft
Find the volume of the rectangular prism
9 cm
10 cm
Answer:
V= 90h cm³ where h is the height of the rectangular prism.
Explanation:
The formula for volume of a rectangular prism is ;
V=l*w*h where;
V=volume in cm³
l= length of prism=10cm
w =width of the prism = 9 cm
Assume the height of the prism as h cm then the volume will be;
V= 10* 9*h
V= 90h cm³
when the value of height of the prism is given, substitute that value with h to get the actual volume of the prism.