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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.

500 Questions

What is self orthogonal?

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Asked by Wiki User

Self orthogonal trajectories are a family of curves whose family of orthogonal trajectories is the same as the given family. This is a term that is not very widely used.

What causes a broken or fractured camshaft?

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Asked by Wiki User

Lack of lubrication or defect in the metal.

What were some Nazi scientific discoveries?

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Asked by Wiki User

Most Nazi scientific efforts were guided by military considerations, they were especially fruitful in the areas of rocket propulsion, jet propulsion, and missile guidance. To name a few:

V-1: The first operational, powered, UAV (Unmanned Air Vehicle), first pulse-jet-propelled air craft, first cruise missile.

V-2: The first operational, short range, ballistic missile. It achieved sub-orbital space flight at an altitude of approximately 80 km.

Rheinbote: The second operational, short range, ballistic missile, designed to replace or augment large bore artillery pieces.

Ruhrstahl X-4: The first wire-guided ATA (Air-To-Air) missile, developed & tested, but never deployed.

ME163: The first operational, manned, rocket-propelled air craft.

ME262: The first operational, manned, jet-propelled air craft.

Der Wasserfall (The Waterfall): The first developed, but never deployed, rocket-propelled STA (Surface To Air), guided missile. Today it would be called a SAM.

Henschel Hs 293: The first operational, Anti ship, Rocket-propelled, guided missile (It began as Fritz X, a stand-off, radio-controlled, gliding bomb (also, a first); then the engine was added to allow low altitude delivery and to increase range and stand-off distance.)

Henschel Hs 293D: As above, but television guided (never deployed).

Which inventors changed agriculture with machines that worked well on midwestern prairies?

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Asked by Wiki User

Cyrus McCormick and John Deere changed agriculture with machines that worked well on midwestern prairies.

Do the benefits of technology outweigh its costs and potential dangers?

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Asked by Wiki User

Humans cannot survive without the technologies that they created. However a costs/benefits analysis is usually appropriate when introducing any new technology, as in many cases several different technologies may be available to satisfy a given human need.

What are poor design process?

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Asked by Wiki User

Poor design processes would be where the design doesn't meet the specification and requirements agreed with the customer. If the customers needs aren't met then that forms bad relations with said customer

What is the difference between polling and vector interrupt service routine?

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Asked by Wiki User

polling interrupt is alternative to the vector interrupt ,

it requires that the interrupt handler poll or send a signal to each device in turn in order to find out which one is sent the interrupt request.....

Does API 6D meet or exceed API 598?

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Asked by Wiki User

API 6D exceeds API 598 in both pressure and duration.

What is a dead smooth file?

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Asked by Wiki User

It is a file.

That is dead and smooth.

Hope you dont die

How can I register an unregistered version of autocad 2010?

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Asked by Wiki User

Go to the AutoDesk web site and purchase a license.

Full form of PCC in architecture?

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Asked by Wiki User

Pcc = portland cement concrete or pre cast concrete

What are metropolitan area network features?

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Asked by Wiki User

A MAN is a relatively new class of network, it serves a role similar to an ISP, but for corporate users with large LANs.They typically use wireless infrastructure or Optical fiber connections to link their sites.

1.The network size falls intermediate between LANs and WANs. A MAN typically covers an area of between 5 and 50 km diameter. Many MANs cover an area the size of a city, although in some cases MANs may be as small as a group of buildings or as large as the North of Scotland.

2.A MAN (like a WAN) is not generally owned by a single organisation. The MAN, its communications links and equipment are generally owned by either a consortium of users or by a single network provider who sells the service to the users. This level of service provided to each user must therefore be negotiated with the MAN operator, and some performance guarantees are normally specified.

3.A MAN often acts as a high speed network to allow sharing of regional resources (similar to a large LAN). It is also frequently used to provide a shared connection to other networks using a link to a WAN.

Name two sources of power available to industry by the early 1900s?

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Asked by Wiki User

Paddle wheels, turned by the flow of water in a stream or river were connected to a main drive shaft, and pulleys of various sizes were used to vary the amount of power needed for individual tasks. The most common use of paddle wheels was probably the manufacture of flour, where wheat was ground between millstones, which were turned by the power of the paddle wheel, but furniture factories and textile mills also took advantage of the free power that was generated by water seeking lower ground.

Steam was also widely used in industry by the early 1900's, and so for the first time, factories didn't necessarily need to be located in flood zones, unless they needed the waterways to transport their products. Also, because of steam's ability to be used anywhere, some of the first cars and trucks were powered by steam as well.

Construction - Does a 3 hour-rated wood floor or ceiling assembly exists?

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Asked by Wiki User

Various standards of Fire Rated doors do exist but for fire rated floors or ceilings - contact your Local Council

What are flat files?

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Asked by Wiki User

In database management, a flat file is one that holds all the information in a single table.

By contrast, a relational database has two or more tables having a defined relationship to each other.

A flat file is not related to any other table.

Examples

Flat file

You could keep details of a DVD collection in a flat file. Some of the fields might be:

title

date purchased

length

year issued

Relational database

A retail business might have a database with three tables:

products [one record for each type of item for sale]

customers

products&customers [each sale constitutes a record in this table. The table is related (linked) to each of the other two tables]

Tables and files

"Table" is a database term, "file" a computer term. Some database management programs make each table into a separate file. Others store all the tables in a single file.

What is glandsteam?

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Asked by RaulBacorrofb7521

Gland steam is used in engineering to prevent air from entering the steam chest.

What is Mother Natures greatest invention?

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Asked by Yuhuyusu

The greatest invention of Mother Nature is rivers. There are many different streams that flow in different orders, some being perennial or intermittent. They all follow different stream drainage patterns and no two are alike. Some of them even contain waterfall which are a breathtaking sight to see.

How does sudden decompression cause a plane to crash?

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Asked by Wiki User

It doesn't--this is just an urban legend. Pressurized airplanes can usually maintain cabin pressure with one or more windows completely missing, but even if they lost all cabin pressure, the pilots would use oxygen masks and the emergency masks would drop in front of the passengers. Then the airplane would descend to under 10,000 feet where you wouldn't need oxygen.

What is the difference between a freezer and a garage?

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Asked by Wiki User

a freezer is colder and is for storing food

a garage is useful for storing many things and is alot bigger

What are the advantages and disadvantages of a cone shaped rain gauge?

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Asked by Morrisme

Advantages:

  • capable of measuring small amounts of water in the garden.

Disadvantages:

  • harder to read is vast quantities.
  • visibly deceiving

How do you delete your account on imesh?

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Asked by Wiki User

imesh account never deleted.....you can changed or deleted your name or personal id or ......

What is a lead drafter?

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Asked by Wiki User

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