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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 the benefit of screw to mankind?

The screw is not only a fastener.

The screw can lift grain to high places, lift water, be used with another screw to drive machinery (called gears)

They are needed to accurately machine and build machinery

So nothing you own, eat or play with would be here without the screw.

What is the effect of shunt capacitor?

A shunt capacitor creates a low resistance path in a circuit so that electricity can pass around to another point. Shunt capacitors create shorts when they receive abnormally high amounts of voltage to correct series circuits.

What is a dome valve?

A dome valve might be described this way. Take a solid ring to use as a seat. Now cover the ring with a disk shaped like a contact lens or like a snow saucer. That curved surface will sit inside the ring to seal the valve, and to open it, a lever rotates the disk out of the way of the opening. Use the link to a picture of one. Clyde (in the UK) makes them, as do others, but this picture is animated! You'll get to see the dome valve in action, and that will probably make any further explanation unnecessary.

What is the difference between lines and line segments?

A line goes on forever and never ends, on either side.

A line segmentstops and has two end points.

How do you cancel blue mountain?

http://www.bluemountain.com/help/help_A.pd?Category=My%20Account&SubCat=All%20About%20my%20Paid%20Membership&QuestionID=436 try calling 1-888-254-1450 to cancel or call American Greetings, who owns bluemountain. (1-800-711-4474) to cancel blue mountain account. You cannot cancel online, but they do not make this clear on the website. Sign up for such free trials only if you have the method for canceling in front of you. Note the owners of such websites: It appears like bluemountain.com is a small, independent site, but it is wholly owned by American Greeting

What is the formula for balance on seesaw?

d1 times w1 = d2 times w2

(d- distance of the person from seesaw)/ (w = weight of person)

How many PCF does water weigh?

Weight of Water is 63 PCF

Actually, the unit weight of water is 62.4 pcf.

What are the top 10 oldest man made structures on Earth?

The pyramids of Egypt, Central and Latin America, China and elsewhere.

Cities of the ancient civilizations around the planet like the Harappa, the Anasazi, the Mesopotamian, the Incas, the Aztec, the Mayan civilizations.

The Greek cities found in the mainland and in the islands as early as in the neolithic age early bronze age.

The monolithic monuments, the megalithic monuments [Stone Henge].

The pathways and road networks that include bridges [some are as old as 1.200 BCE]. The ancient theaters that were introduced by the Greeks.

Are radiators correctly named?

Typically, radiators transfer heat to their environment by both radiation of infrared wavelengths and convection via air (or water, if the radiator is immersed in water).

How much IR radiation versus how much convective transfer depends on the specifics. For a very general answer, radiator is a simple, useful name. It is hard to see what changing it would accomplish.

In electronics, things which dump heat from components to environment are called heat sinks. This is not really an improvement.

A "radiator" in a room could be called "heater".

Any other ideas out there.

How do you define Repetitive Peak off-state Voltage VDRM?

If the MT2 voltage exceeds VDRM such as might occur during severe and abnormal mains transient conditions, MT2-MT1 leakage will reach a point where the triac will spontaneously break over into conduction.

Is it always possible to determine the coefficient of uniformity and coefficient of curvature for all types of soils?

Determining the Coefficient of Uniformity (Cu) and Coefficient of Curvature (Cc) only has meaning when classifying coarse-grained soils, i.e. clean gravels (GW or GP) and clean sands (SW or SP) having more than 50% of material larger than No. 200 sieve with less than 5% fines. Gravels and sands with more than 12% fines (GM, GC, SM, SC) are distinguished using Atterberg limits. There would be no reason to determine these coefficients for fine-grained soils (i.e. clay, silt and peat).

How a baseband processor works?

It buffers and routes data from source to another It buffers and routes data from source to another

What is the difference between linear scale and representative fraction?

a linear scale is a special kind of ruler that is divided into units of distance

a representative..... what ever the scales called lol is a scale that is a ratio and doesn't use words in the measurment... it's an extended version of a large- scale map

ex- 1:10 0000