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Engineering

Engineering is an art and profession devoted to designing, constructing, and operating the structures, machines, and other devices of industry and everyday life.

5,839 Questions

What is culinary engineer?

Culinary engineer- A person who has went to school to become a chef.

How are cnc machines programmed?

Answer cnc setup helpok you have to reference the machine first for the x/y/and z axis ok use my email i will see that you receive free a few manuals ..i will help you you can phone me at:623-225-7322./ bill chalfin scientific products best regards

How do star and delta configured three phase induction motors perform differently?

Star Delta starter control wiring ensures that initially the Motor winding is connected in Star and after set timer (few seconds) the winding gets connected in Delta automatically. There three power contactors and timers to make it happen.

Will galvanized steel rust if you grind it?

Yes , eventually it does rust but it takes a long time, in normal weather conditions, if you subject it to extreme conditions, it does not last as long, but still lasts quite a bit longer than normal steel.

So eventually you get rust; how can you deal with that and not get it spreading?

What four thing can be made from alloy?

Many many things can be made from alloy. Steel is an alloy. How many things can you think of made from steel?

Why do engineers keep and engineer notebook?

An engineering notebook is recognized as a legal document that can prove the origin of an idea that led to a solution; prove diligence in turning the idea into a solution.

How do you survive a falling elevator?

No, because you wouldn't know when the elevator was going to hit the shaft.

However, if you're ever in this situation scientists believe the best way to survive is by lying flat on your stomach in the centre of the lift. Put your arm over your head and face to shield yourself from debris. There's 2reasons why this method is good.

1. When the lift hits the bottom the chances of it falling apart are high

2. Being flat might mean you sustain injuries but the chance of it being fatal is less because you're spread over a larger surface area than if you were standing - and the chances of you being able to stand and jump against the huge gravity pressing down on you are very slim.

How much faster is the speed of light than the speed of electricity without using superconducting materials eg in normal computers?

We generally consider that the force of an electric field moves at the speed of light. And electricity moves at the speed of light.

How do you reduce cycle time of cnc machine?

The best ways to decrease the cycle times of a CNC machine is to

  • Review the program and find where bigger depth of cuts are possible.
  • Slightly faster feeds can be made if possible.
  • Safely indexing to a new tool closer to the workpiece.
  • Another thing would be to drastically increase the feed (but not rapid movement) from where the tool stops when it approaches the workpiece to right before it starts cutting.

What is the cheapest thing in the whole wide world?

Advice, I am given it all day long by my wife, kids, boss and colleagues and I never have to pay a penny!

Who built a steamboat called the Clermont?

Robert Fulton. Fulton directed the construction of a steamboat in New York in 1807. Registered as the North River Steam Boat, the ship was generally called the Clermont after the Hudson River home of Robert Livingston. On Aug. 17, 1807, the steamboat started on its first successful trip 150 miles (241 kilometers) up the Hudson River from New York City to Albany, in about 30 hours, including an overnight stop. After extensive rebuilding, the boat began to provide regular passenger service on the Hudson. The Clermont was not the first steamboat to be built, but it was the first to become a practical, financial, and commercially successful steamboat. Fulton did not try to construct an engine himself, as earlier inventors had done. Instead, he ordered one from Watt and adapted it to his boat.

How can you make a building resistant to floods?

Usually, they could make a ten foot solid base of concrete with an outer layer of brick. Inside, there would be no space; it's solid concrete. Stairs are built up to above it and the building continues as if there was no base. Anyone who has been to very wet areas sees structures sitting atop pilings. If piles are well set and designed to be adequate to supporting the building, they'll withstand rising water with little effort. A bit of a climb up a stair will be required to access the building, but if flooding is a real threat, or is regular, the walk is a small price to pay to keep the structure from being inundated and/or washed away.

How did technology change from 1920 to 2000?

  • they were all developed by people to solve some problem that they saw at the time
  • they all use natural phenomena that the people that created them understood at the time
  • they all required manipulation and/or modification of matter
  • etc.

What are the advantages of Linux over Unix?

Unix is a classification of operating systems that conform to a certain specification, based on that of the original Unix operating system created by AT&T. Systems certified as Unix can differ drastically, but must meet at least certain common elements.

Solaris is an implementation of Unix created by Sun Microsystems.

Linux is a family of operating systems based on a kernel written by Linus Torvalds. It shares some design goals and similarities with Unix, but has several advanced features and is not completely compatible with Unix. Legally, for a system to be described as "Unix", it must undergo a certification process. No Linux distribution has ever undergone this (very expensive) certification process to make it compliant with Unix standards.

Solaris uses older, POSIX-compliant utilities. Linux typically uses GNU utilities, which are generally compatible, but have different command switches and more features. This is beginning to change with the OpenSolaris project, which incorporates many GNU utilities.

Solaris and Linux both have features that the other lacks, and are not found in other Unix implementations either. These include DTRace and the ZFS file system (in Solaris) and dynamically loadable kernel modules and epoll (in Linux).

Where might a mechanical engineer work?

The working conditions vary for a mechanical engineer depending on his job. Most positions are salary so the hours range based on the project you are working on. I've worked 30 hours one week and 60 the next. Most of the time your company will only want you to work about 40 hours a week.

Physical conditions for Mechanical engineering can be anywhere from a sit behind a computer doing sales consulting or CAD drawings, or it could be field work, where you are outside inspecting or repairing equipment. I depends on what field you find a mechanical engineering position in. When looking for a job, I got offers from working on a oil rig in the Gulf of Mexico to doing aluminum window designs in AutoCAD. No matter what your personality, there are job conditions that can fit what you are looking for. The best way to get them though is experience and that takes time.

What is the specific gravity of distilled water?

Temperature

- t -

(oF)Density

- ρ -

(slugs/ft3)Specific Weight

- γ -(lb/ft3)(lb/US gallon)321.94062.428.3436401.94062.438.3451501.94062.418.3430601.93862.378.3378701.93662.308.3290801.93462.228.3176901.93162.118.30771001.927628.28771201.91861.718.24981401.90861.388.20481601.896618.15371801.88360.588.09692001.86960.128.03512121.86059.837.9957

Here's a table

How does Creep happen?

Creep usually occurs as a result of thermal and physical stress overcoming the elasticity of the metal preventing it from returning to its original shape after the stress is removed.

What significance has a power factor in an unbalanced system?

A three-phase 'unbalanced' system refers to the load, as the supply voltages are unaffected by load. So the phase-angle and, therefore, the power factor of each phase will be different -i.e. there will be three different power factors.