a) the compression ratio ( r )=23.19
b) the cutoff ratio ( rc )=2.19
c) the thermal efficiency of the cycle ( nth )=0.597 ( 59.7%)
d) the mean effective pressure, mep=975 KPa
What is the explanation?We shall ascertain the working fluid's (Air) characteristics at each state value.
To assist us, we will consult the air standard property tables (A-22) and note the following:
State 1:
P1 equals 95 KPa, and T1 is 300 K.
vr1 = 621.2, Pr1 = 1.386, and u1 = 214.07 KJ/kg.
- We calculate the lowered pressure value at state 2 using relations for isentropic compression:
State 2:
P2 = P3 = 7200 KPa
h2 = 1022.82 KJ/kg, vr2 = 26.793, and T2 = 979.6 K.
State3
- Using isentropic expansion relations, we calculate the decreased volume.
P3 = 7200 KPa , T3 = 2150 K
h3 = 2440.3 KJ/kg , vr3 = 2.175 , Pr1 = 1.386
state 4:
T4 = 1031 K , u4 = 785.75 KJ/kg
a) the compression ratio ( r )=23.19
b) the cutoff ratio ( rc )=2.19
c) the thermal efficiency of the cycle ( nth )=0.597 ( 59.7%)
d) the mean effective pressure, mep=975 KPa
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Exercise 4.1.8: Divisibility Couto Using a while loop, create an algorithm extracts that prints the individual digits of a positive integer For instance, extract54321); would create the output Hint: The X and the operators are going to be very useful in this program. How can you use these to extract the last digt of the given number >> Sandbou My Section Practice Status: Not Submitted & 0 E FILES 418: Divisibility 1 public class Extractbigits 2.1 public static void main(String[] args) extractDigits(2938724): 6 3 public static void extractdigits(int num) 3 4- 5 Brigits 7 9 ( 1 13 14) >
Floating point arithmetic is also prohibited, as is using the modulo operator. Subtraction done repeatedly is an easy way. Here's another intriguing approach.
What is modulo operator?Modulo operator is defined as the signed residue of a division, which results from the division of two numbers. Integer arithmetic on a circle with a fixed set of numbers is the focus of modular arithmetic.
A recursive approach can be used to check for 7th-order divisibility. If and only if a - 2b is divisible by 7, a number of the form 10a + b is divisible by 7. In other words, take away twice the value represented by the last digit from the sum of the digits before it.
Thus, floating point arithmetic is also prohibited, as is using the modulo operator. Subtraction done repeatedly is an easy way. Here's another intriguing approach.
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airbags will develop no matter from what angle your car is hit at true or false
in object-oriented programming, which of the following is a process whereby one class gets the public properties and methods of another class?
The process by which a class acquires the attributes and methods of another class is known as inheritance.
What is Inheritance in Object Oriented Programming?The Parent class is the one from which the inherited properties and methods come.Additionally, the Child class is the one that takes the Parent class's properties as its own.An intriguing fact is that a child class can have its own properties and methods in addition to the ones it inherits from its parent class.Code in Python: In order to inherit the functions and attributes of the parent class "Car," we have constructed two child classes called "BMW" and "Audi." For the BMW class, we haven't offered any extra features or techniques. In contrast, the Audi class has a second technique.To Learn more About inheritance refer to:
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A process generates 250 watts of useful energy and 600 watts of waste energy. What is the efficiency of the process?.
A process generates 250 watts of useful energy and 600 watts of waste energy, the efficiency of the process is 29%.
What is energy efficiency?To perform a task or achieve a goal while using less energy is known as energy efficiency. Energy-efficient homes, buildings, manufacturing facilities, and electronics use less energy to produce goods and less energy to heat, cool, and operate appliances and electronics.
One of the simplest and most affordable strategies for halting climate change, lowering consumer energy costs, and boosting the competitiveness of American companies is energy efficiency. Achieving net-zero carbon dioxide emissions through decarbonization depends on energy efficiency as well.
The Office of Energy Efficiency and Renewable Energy (EERE) supports clean energy through its technical offices and programs that support research and development and encourage energy efficiency in all facets of the American economy.
Energy efficiency = useful energy output/energy input × 100%
useful energy output = 250 watts
energy input = useful energy output + waste energy ouputs
= 250 + 600
= 850 watts
Energy efficiency = (250 /850) × 100%
= 29%
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Attackers use intentional RF interference to flood the RF spectrum with enough interference to prevent a device from communicating with the AP. (types of Wireless DoS attacks)
Attackers use intentional RF interference to flood the RF spectrum with enough interference to prevent a device from communicating with the AP is Wireless Dos attackas
What is meant by Wireless DoS attackas?
A denial of service (DoS) attack aims to impair the effective utilization of network resources and interfere with the network's vital services. One of the main dangers to the security of wireless networks is the DoS attack.
A Denial-of-Service (DoS) attack aims to bring down a computer system or network so that its intended users are unable to access it. DoS attacks achieve this by providing the victim an excessive amount of traffic or information that causes a crash.
When an attacker prevents authorized users from accessing computer systems, networks, services, or other information technology (IT) resources, this is known as a denial-of-service (DoS) attack.
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How do you tell if a function is a power function?
When a real number, a coefficient, and a variable are multiplied together and raised to a fixed real number, the result is a function with a single term known as a power function.
What is a function?A function in mathematics is an expression, rule, or law that establishes the relationship between two variables (the independent and dependent variables) (the dependent variable). The sciences rely on functions to build physical relationships because mathematics is rife with them.
The earliest known conceptualization of function is attributed to two Persian mathematicians, Al-Biruni and Sharaf al-Din al-Tusi. Functions were initially thought of as the relationship between changing quantities and other variables.
How time affects a planet's position is an example of this. The concept was historically developed at the end of the 17th century with infinitesimal calculus, and until the 19th century, the functions taken into consideration were differentiable (that is, they had a high degree of regularity).
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Technician A says friction converts the rotational motion of the wheel into heat
Technician B says the required braking energy increases more with vehicle weight than speed
Technician A and Technician B says about braking and friction that converts the rotational motion of the wheel. Technician A is correct.
What is friction?When the roller coaster's wheeled cart rises, the gravitational potential energy rises with height and is at its peak at the top of the ride. The potential energy is changed into kinetic energy as the cart descends. At the bottom of the coaster, kinetic energy is greatest.
Friction is provided by the wheels and the air. Because of this, unless it supplied some other energy, the roller coaster could not run indefinitely.
Therefore, Technician A is correct.
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Why do many organizations use the hybrid and multi-Cloud approach? It ensures the business is completely dependent on a single provider. It combines the benefits of public and private Cloud providers. It eliminates the dependency on any private Cloud providers. It allows businesses to share control of their data with other businesses. I don't know this yet. please do not guess when answering question, and thanks for helping
The reason that many organizations use the hybrid and multi-Cloud approach is option D: It allows businesses to share control of their data with other businesses.
Why do so many businesses employ a hybrid and multi-cloud strategy?Improved data management efficiency across all resources that operate across multiple platforms and will be managed via cloud orchestration, reducing the overhead of switching from one infrastructure to another to pursue data or resources, is one of the main reasons for adopting a hybrid multi-cloud strategy.
Therefore, in the context of the above question, it is used because, Organizations may orchestrate processes across various applications, coordinate workloads amongst networked computing environments, and exert more control and governance over resources thanks to this.
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