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Scrat [10]
3 years ago
11

Select the correct answer.

Engineering
1 answer:
juin [17]3 years ago
4 0
Orthographic projection, common method of representing three-dimensional objects, usually by three two-dimensional drawings in each of which the object is viewed along parallel lines that are perpendicular to the plane of the drawling.
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PLEASE HELP!!! ILL GIVE BRANLIEST *EXTRA POINTS* dont skip :((
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The first one is the answer
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3 years ago
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The exhaust steam from a power station turbine is condensed in a condenser operating at 0.0738 bar(abs). The surface of the heat
lozanna [386]

Answer:

Percentage change 5.75 %.

Explanation:Given ;

Given

 Pressure of condenser =0.0738 bar

Surface temperature=20°C

Now from steam table

Properties of steam at 0.0738 bar  

Saturation temperature corresponding to saturation pressure =40°C      

 h_f= 167.5\frac{KJ}{Kg},h_g= 2573.5\frac{KJ}{Kg}

So Δh=2573.5-167.5=2406 KJ/kg

Enthalpy of condensation=2406 KJ/kg

So total heat=Sensible heat of liquid+Enthalpy of condensation

Total\ heat\ =C_p\Delta T+\Delta h

Total heat =4.2(40-20)+2406

Total heat=2,544 KJ/kg

Now film coefficient before inclusion of sensible heat

  h_1=\dfrac{\Delta h}{\Delta T}

  h_1=\dfrac{2406}{20}

h_1=120.3\frac{KJ}{kg-m^2K}

Now film coefficient after inclusion of sensible heat

 h_2=\dfrac{total\ heat}{\Delta T}

 h_2=\dfrac{2,544}{20}

h_2=127.2\frac{KJ}{kg-m^2K}

So\ Percentage\ change=\dfrac{h_2-h_1}{h_1}\times 100

             =\dfrac{127.2-120.3}{120.3}\times 100

                   =5.75 %

So Percentage change 5.75 %.

3 0
3 years ago
Find Ix, Iy, and J for the following shapes. In addition, find the radius of gyration (r) with respect to the x axis and y axis
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Answer: steals ten points

Explanation:

8 0
3 years ago
Answers:
frutty [35]

Answer:

the chassis ground wire

an inverter

is connected to one side of the power line

failure of a component such as the hash filter

is the hot wire

the common wire

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3 years ago
A single-lane bridge connects the two Vermont villages of North Tunbridge and South Tunbridge. Farmers in the two villages use t
Naddika [18.5K]

Answer:

Check the explanation

Explanation:

Main1.java

import java.lang.InterruptedException;

import java.lang.Thread;

import java.util.Random;

public class Main {

final private static int FARMERS = 10;

public static void main(String[] args) {

Bridge bridge = new Bridge();

Random r = new Random();

System.out.println("Running with " + FARMERS + " farmers...");

// Enter a bunch of farmers from different directions.

for (int i = 0; i < FARMERS; i++) {

Farmer farmer;

if (r.nextBoolean()) {

farmer = new SouthBoundFarmer(bridge);

} else {

farmer = new NorthBoundFarmer(bridge);

}

cross(farmer);

}

}

private static void cross(Farmer f) {

new Thread(f).start();

}

}

SouthBoundFarmer.java

public class SouthBoundFarmer extends Farmer {

public SouthBoundFarmer(Bridge b) {

super(b);

this.name = "South";

}

}

Farmer.java

import java.lang.InterruptedException;

import java.util.Random;

public class Farmer implements Runnable {

private Bridge bridge;

private Random random;

protected String name;

public Farmer(Bridge b) {

this.bridge = b;

this.random = new Random();

}

public void crossBridge(Bridge bridge) {

System.out.println("[" + this.name + "] Waiting to enter bridge...");

try {

bridge.enter();

System.out.println("[" + this.name + "] Entering bridge...");

// Crossing bridge...some farmers are fast, others are slow :P

Thread.sleep(1000 + random.nextInt(9000));

System.out.println("[" + this.name + "] Leaving bridge...");

} catch (InterruptedException e) {

System.out.println("...Interrupted!");

} finally {

bridge.leave();

}

}

public void run() {

this.crossBridge(this.bridge);

}

}

Bridge.java

import java.lang.InterruptedException;

import java.util.concurrent.Semaphore;

public class Bridge {

private Semaphore lock;

public Bridge() {

this.lock = new Semaphore(1);

}

public void enter() throws InterruptedException {

this.lock.acquire();

}

public void leave() {

this.lock.release();

}

}

NorthBoundFarmer.java

public class NorthBoundFarmer extends Farmer {

public NorthBoundFarmer(Bridge b) {

super(b);

this.name = "North";

}

}

KINDLY CHECK THE OUTPUT BELOW :

4 0
3 years ago
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