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3 years ago

15

True or false It is legal to pass in Florida when approaching within 100 feet of or traversing any railroad crossing grade croea

d

1 answer:

Iteru [2.4K]3 years ago

3 0

That is a false statement.

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Water at 200C flows through a pipe of 10 mm diameter pipe at 1 m/s. Is the flow Turbulent ? a. Yes b. No

Degger [83]

Answer:

Yes, the flow is turbulent.

Explanation:

Reynolds number gives the nature of flow. If he Reynolds number is less than 2000 then the flow is laminar else turbulent.

Given:

Diameter of pipe is 10mm.

Velocity of the pipe is 1m/s.

Temperature of water is 200°C.

The kinematic viscosity at temperature 200°C is $1.557\times10^{-7}$ m2/s.

Calculation:

Step1

Expression for Reynolds number is given as follows:

$Re=\frac{vd}{\nu}$

Here, v is velocity, $\nu$ is kinematic viscosity, d is diameter and Re is Reynolds number.

Substitute the values in the above equation as follows:

$Re=\frac{vd}{\nu}$

$Re=\frac{1\times(10mm)(\frac{1m}{1000mm})}{1.557\times10^{-7}}$

Re=64226.07579

Thus, the Reynolds number is 64226.07579. This is greater than 2000.

Hence, the given flow is turbulent flow.

5 0

3 years ago

A timing light checks the ignition timing in relation to the ____ position.

kogti [31]

Answer:

The timing light is connected to the ignition circuit and used to illuminate the timing marks on the engine's crankshaft pulley or flywheel, with the engine running. The apparent position of the marks, frozen by the stroboscopic effect, indicates the current timing of the spark in relation to piston position.

Explanation:

:)

8 0

3 years ago

The ___________ section of the bid package might include information concerning provisions for water and other utilities, sanita

dexar [7]

Answer:

Procurement Process

Explanation:

Procurement Process describes the series of activities that an organization partakes in to get products or services in order to achieve their goals. The choice of the procurement process is very important for the success of a construction project.

So during a bidding process, the procurement process is section where the organization will need to get water and other utilities, sanitation equipment or storage needed for the success of a construction project.

3 0

3 years ago

Write a GUI-based program that plays a guess-the-number game in which the roles of the computer and the user are the reverse of

AURORKA [14]

Answer:

import javax.swing.*;

import java.awt.*;

import java.util.Random;

import java.awt.event.*;

public class Guess extends JFrame

{

private static final long serialVersionUID = 1L;

private JButton newGame;

private JButton enter;

private JButton exit;

private JTextField guess;

private JLabel initialTextLabel;

private JLabel enterLabel;

private JLabel userMessageLabel;

private int randNum;

private int userInput;

private int maxtries = 0;

public Guess()

{

super("Guessing Game");

newGame = new JButton("New Game");

exit = new JButton("Exit Game");

enter = new JButton("Enter");

guess = new JTextField(4);

initialTextLabel = new JLabel("I'm thinking of a number between 1 and 100. Guess it!");

enterLabel = new JLabel("Enter your guess.");

userMessageLabel = new JLabel("");

randNum = new Random().nextInt(100) + 1;

setLayout(new FlowLayout());

add(initialTextLabel);

add(enterLabel);

add(guess);

add(newGame);

add(enter);

add(exit);

add(userMessageLabel);

setSize(500, 300);

addWindowListener(new WindowAdapter()

{

public void windowClosing(WindowEvent e)

{

System.exit(0);

}

});

newGameButtonHandler nghandler = new newGameButtonHandler();

newGame.addActionListener(nghandler);

ExitButtonHandler exithandler = new ExitButtonHandler();

exit.addActionListener(exithandler);

enterButtonHandler enterhandler = new enterButtonHandler();

enter.addActionListener(enterhandler);

}

class newGameButtonHandler implements ActionListener

{

public void actionPerformed(ActionEvent e)

{

setBackground(Color.ORANGE);

guess.setEnabled(true);

guess.setText("");

enter.setEnabled(true);

maxtries = 0;

userMessageLabel.setText("");

randNum = new Random().nextInt(100) + 1;

}

}

class ExitButtonHandler implements ActionListener

{

public void actionPerformed(ActionEvent e)

{

System.exit(0);

}

}

class enterButtonHandler implements ActionListener

{

public void actionPerformed(ActionEvent e)

{

userInput = Integer.parseInt(guess.getText());

checkGuess(randNum);

if(userInput > 100 )

{

userMessageLabel.setText("invalid entry");

}

}

}

public void checkGuess(int randomNumber)

{

maxtries++;

if(maxtries==10){

userMessageLabel.setText("You Lose!!");

guess.setEnabled(false);

enter.setEnabled(false);

}else if (userInput == randomNumber)

{

userMessageLabel.setText("Correct !");

}

else if (userInput > randomNumber)

{

userMessageLabel.setText("Too high");

}

else if (userInput < randomNumber)

{

userMessageLabel.setText("Too Low");

}

}

public static void main(String[] args)

{

Guess game = new Guess();

game.setVisible(true);

}

}

8 0

3 years ago

How do technological artifacts affect the way that you live?

Maslowich

Answer:

Artefacts can influence our actions in several ways. They can be instruments, enabling and facilitating actions, where their presence affects the number and quality of the options for action available to us. They can also influence our actions in a morally more salient way, where their presence changes the likelihood that we will actually perform certain actions. Both kinds of influences are closely related, yet accounts of how they work have been developed largely independently, within different conceptual frameworks and for different purposes. In this paper I account for both kinds of influences within a single framework. Specifically, I develop a descriptive account of how the presence of artefacts affects what we actually do, which is based on a framework commonly used for normative investigations into how the presence of artefacts affects what we can do. This account describes the influence of artefacts on what we actually do in terms of the way facts about those artefacts alter our reasons for action. In developing this account, I will build on Dancy’s (2000a) account of practical reasoning. I will compare my account with two alternatives, those of Latour and Verbeek, and show how my account suggests a specification of their respective key concepts of prescription and invitation. Furthermore, I argue that my account helps us in analysing why the presence of artefacts sometimes fails to influence our actions, contrary to designer expectations or intentions.

When it comes to affecting human actions, it seems artefacts can play two roles. In their first role they can enable or facilitate human actions. Here, the presence of artefacts changes the number and quality of the options for action available to us.Footnote1 For example, their presence makes it possible for us to do things that we would not otherwise be able to do, and thereby adopt new goals, or helps us to do things we would otherwise be able to do, but in more time, with greater effort, etc

Explanation:

Technological artifacts are in general characterized narrowly as material objects made by (human) agents as means to achieve practical ends. ... Unintended by-products of making (e.g. sawdust) or of experiments (e.g. false positives in medical diagnostic tests) are not artifacts for Hilpinen.

3 0

3 years ago