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kirill [66]
3 years ago
13

The characteristic of object oriented programming that allows the method in subclass that overrides the same method in the super

class to be correctly called from an instance of that superclass is called
Engineering
1 answer:
MaRussiya [10]3 years ago
6 0

Answer:

Hi, you haven't provided the options to the question so I will just give the answer in my own words and you can check with the options.

Answer is INHERITANCE.

Explanation:

In object oriented programming:

An object is a self-contained component that contains properties and methods needed to make a certain type of data useful.

A class is a blueprint or template used to build a specific type of object. Every object is built from a class.

Inheritance is a way to express relationship between classes. Inheritance enables new objects (subclasses) to take on the properties of existing objects (superclasses).

A class that is used as a basis for inheritance is called a superclass or base class or parent class.

A class that inherits from a superclass is called subclass or derived class or child class.

The ability of a subclass to override a method allows a class to INHERIT from a superclass whose behavior is "close enough" and then to modify behavior as needed.

Therefore, the characteristic of object oriented programming that allows the method in subclass that overrides the same method in the superclass to be correctly called from an instance of that superclass is called INHERITANCE.

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KiRa [710]

Answer:

temperature of first extraction 330.8°C

temperature of second extraction 140.8°C

power output=3168Kw

Explanation:

Hello!

To solve this problem we must use the following steps.

1. We will call 1 the water vapor inlet, 2 the first extraction at 100kPa and 3 the second extraction at 200kPa

2. We use the continuity equation that states that the mass flow that enters must equal the two mass flows that leave

m1=m2+m3

As the problem says, 20% of the flow represents the first extraction for which 5 * 20% = 1kg / s

solving

5=1+m3

m3=4kg/s

3.

we find the enthalpies and temeperatures in each of the states, using thermodynamic tables

Through laboratory tests, thermodynamic tables were developed, these allow to know all the thermodynamic properties of a substance (entropy, enthalpy, pressure, specific volume, internal energy etc ..)  

through prior knowledge of two other properties

4.we find the enthalpy and entropy of state 1 using pressure and temperature

h1=Enthalpy(Water;T=T1;P=P1)

h1=3457KJ/kg

s1=Entropy(Water;T=T1;P=P1)

s1=7.234KJ/kg

4.

remembering that it is a reversible process we find the enthalpy and the temperature in the first extraction with the pressure 1000 kPa and the entropy of state 1

h2=Enthalpy(Water;s=s1;P=P2)

h2=3116KJ/kg

T2=Temperature(Water;P=P2;s=s1)

T2=330.8°C

5.we find the enthalpy and the temperature in the second extraction with the pressure 200 kPav y the entropy of state 1

h3=Enthalpy(Water;s=s1;P=P3)

h3=2750KJ/kg

T3=Temperature(Water;P=P3;s=s1)

T3=140.8°C

6.

Finally, to find the power of the turbine, we must use the first law of thermodynamics that states that the energy that enters is the same that must come out.

For this case, the turbine uses a mass flow of 5kg / s until the first extraction, and then uses a mass flow of 4kg / s for the second extraction, taking into account the above we infer the following equation

W=m1(h1-h2)+m3(h2-h3)

W=5(3457-3116)+4(3116-2750)=3168Kw

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3 years ago
A gas stream contains 4.0 mol % NH3 and its ammonia content is reduced to 0.5 mol % in a packed absorption tower at 293 K and 10
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Answer:

Explanation:

Step by step solved solution is given in the attached document.

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A double-threaded Acme stub screw of 2-in. major diameter is used in a jack having a plain thrust collar of 2.5-in. mean diamete
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This is the answer for the question

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Show that for a linearly separable dataset, the maximum likelihood solution for the logisitic regression model is obtained by fi
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Answer for the question:

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To increase the thermal efficiency of a reversible power cycle operating between thermal reservoirs at TH and Tc, would you incr
alukav5142 [94]

<u></u>\ T_{c} has greater effect.

<u>Explanation</u>:

\eta_{\max }=1-\frac{T_{c}}{T_{A}}

T_{c}\\ = Temperature of cold reservoir

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when T_{c} is decreased by 't',

$\eta_{\text {incre }}$ = 1-\frac{\left(\tau_{c}-t\right)}{T_{H}}

=n \ + \frac{t}{T_{n}}      -(i)

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