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satela [25.4K]
3 years ago
13

The best grounding method when arc welding is to connect the welding machine grounding cable to

Computers and Technology
2 answers:
Scorpion4ik [409]3 years ago
5 0
The material you are welding other wise an arc will not be created 
omeli [17]3 years ago
4 0

Answer:

What it is you are welding

Explanation:

If vertical welding, place above weld as a general rule.

Clean the metal you place the clamp on.

When connecting clamp, most machines work better when the cable is facing up unless stated otherwise.

Never ground on a stool in which you intend to sit.

Ground as close to the weld as possible.

Never put stinger on the ground clamp.

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Before going into space, astronauts spend many hours training on flight simulators allowing them to learn how to fly without lif
MaRussiya [10]

Answer:

The short answer is, for full-mission flight simulators, specifically by NASA, are built with actual hardware and supported by simulation software. These software take into account every possible scenarios that could be adjusted based on the training. As for the hardware, they receive signals from the software on what they should do.

Explanation:

Some technologies involved are (which are also part of the FAA's requirements):

  1. 6 Degrees of Freedom for motion
  2. Visual systems
  3. Realistic acoustics
  4. Visual effects

This also involves a lot of robotics.

On the topic of motion:

One big and important feature is how motion is simulated - which takes a combined effort of both software and hardware to actually simulate how external forces can also affect the body.

It also takes into account the vibration that is experienced during launch.

The 6 degrees of freedom for motion includes:

  1. Up and down
  2. Left and right - sliding motion
  3. Back and forward
  4. Yaw - turning motion
  5. Pitch - look up and down
  6. Roll

For flight simulators, there are several levels and requirements being used in the aviation training industry. But one thing that you need to know is that the hardware and software mostly take into account motion.

On the topic of visual systems:

The pilots or crew should have a visual representation of what the outside world looks like with at least 150 degrees of view.

Realistic acoustics:

During simulations, actual sounds should also be present based on the real-life sounds produced during flight.

Visual effects:

If the pilot pivots to the right, or is about to breach the exosphere, the system's display should also take that into account and show it to the crew. This also includes visual effects for specific motions being done.

And as a bonus:

Just until recently, everything was analog (meaning, with dials, buttons, and levers) for the actual aircraft simulation that the pilots/astronauts are using. Update are now being made in NASA and SpaceX along with other rocket and spacecraft companies to move from analog to digital (with touch screens).

While this is an abridged version, it should help you to understand the complexities of a flight simulator.

8 0
3 years ago
Helpppp plsssss!!!<br><br>thanks.
sattari [20]
I believe the answer is A
6 0
3 years ago
TV show information can either keep track of the number of viewers per show or the name of a show. Information is kept in a file
Elza [17]

Answer:

See explaination for Program source code.

Explanation:

The program source code below.

#include <iostream>

#include <fstream>

#include <vector>

using namespace std;

class Show

{

private:

string title;

int viewers;

public:

Show()

{

this->title = "";

this->viewers = 0;

}

Show(string title, int viewers)

{

this->title = title;

this->viewers = viewers;

}

string getTitle(){ return this->title; }

int getViewers(){ return this->viewers; }

};

int main()

{

vector<Show> shows;

vector<string> titles;

vector<int> viewers;

ifstream inFile1("file1.txt");

ifstream inFile2("file2.txt");

string line1, line2;

if(!inFile1.is_open() || !inFile2.is_open())

{

cout << "Either of the files could not be found!\n";

exit(0);

}

getline(inFile1, line1);

if(line1.compare("Show") == 0)

{

while(getline(inFile1, line1))

{

titles.push_back(line1);

}

inFile1.close();

}

getline(inFile2, line2);

if(line2.compare("Viewer") == 0)

{

while(getline(inFile2, line2))

{

viewers.push_back(stod(line2));

}

inFile2.close();

}

for(int i = 0; i < titles.size(); i++)

{

shows.push_back(Show(titles[i], viewers[i]));

}

// display all the show details

cout << "\nALL SHOWS:\n----------\n";

for(Show show : shows)

{

cout << "Title: " << show.getTitle() << ", Number of viewers: " << show.getViewers() << endl;

}

cout << endl;

return 0;

}

See attachment for output

3 0
3 years ago
What is the boundary folding method?
Romashka [77]

Answer:

 Boundary folding method is basically used in the java algorithm and in the hash table. In the hash function, the left and the right value are basically folded in the fixed boundary between the given center values by using the boundary folding methods.

There are basically two types of folding method in the hashing that are:

  • Folding shift
  • Folding boundary

In the folding boundary method the outside value are get reversed and the alternate values are get flipped at the boundary folding method.

4 0
4 years ago
Digital and analog audio recordings have pros and cons. Do you think the pros of digital recordings outweigh the cons and theref
Debora [2.8K]

Digital vs Analog Audio is completely personal preference and there is no clear winner on which is better.

But there are some pros and cons about both, Analog sometimes distorts when playing and can be easily scratched and ruins the grooves. Analog is believed to be the true representation of the sound when it was recorded. Digital is not the actual recording of the sound, it's actually a combination of binary code. It is also sometimes mixed or remastered in Digital and sounds a bit different to make it sound better. It also depends on the system you are listening it from. You could have a horrible Digital system its playing through and an amazing Analog system playing, of course the Analog system will sound better in that case. Some believe that Digital is on par to overtake Analog in the "true picture of sound" category but some also say Analog will forever be the best at playing sound and Digital will always be the alternative.

But, in the end it's all personal preference and the pros and cons don't overweigh to make one better than the other.

6 0
3 years ago
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