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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 flexible steel rule and uses?

A flexible steel rule is similar to a rigid steel rule but it is easier to bend and it does not retain shape when bent, but springs back to it's original straight shape. You use it to measure length or distance. You can also use it to whack (hit) things, but don't do your little brother or he'll tell Mom.

What is a variable times a variable?

It can be a new variable eg x*y = xy.

Or it can be a constant eg x is a variable then 3/x is another variable. x*(3/x) = 3, which is a constant.

Why a firm may develop a new product?

A firm would usually do that because it expects to sell the product, and make a profit.

How many watts does it take to get a signal to orbit?

At the company I work for, we send signals to orbit with 1 watt, but I'm sure it could be done with less. However, it depends on how fast a datarate you want, more power can generally get you a higher datarate.

How do you use net office?

NETOffice is a web based project management application which helps in colloboration, task management, assignment, tracking, approval etc.

What is the fullform of AM?

amplitude modulation

Yep, but can also be Ante Meridian. Before noon.

What is a hydraulic miner called?

A hydraulic miner is commonly referred to as a "hydraulic miner" or simply a "hydraulic placer miner." This type of miner uses high-pressure water jets to dislodge and wash away soil and rock, allowing them to extract valuable minerals, particularly gold, from alluvial deposits. The technique is often associated with historical gold mining during the 19th century, especially in regions like California.

How do tornado sirens work?

Some are electronic, and some old ones use a blower motor to blow air into the chopper. The chopper kind of chops the air. It is then blown out a horn

What is the definition of pressure ratio?

ratio of maximum to minimum pressure only case of constant volume heat addition in engine cycle

Should a runway be made smooth or rough?

A runway must be smooth in order for an airplane to land safely on it.

What is difference between fuel refinery and lube refinery?

In a general perspective: The initial stage of production for both products will be at the same refinery, from the same raw material. Obviously the lubricating oil has a different composition than petrol/ gas/ combustible fuel, so the difference is at which point in the refinement process the hydrocarbons (molecules composed of carbon and hydrogen) are extracted from the raw material.

After the raw material is heated to a gaseous state, the hot gas will cool as it rises through the distillation column. Since different hydrocarbons have different boiling points, they will condensate at different points in the column and be collected. This is how the compounds used in lubricating oils, fuels, plastics, etc. are separated from the raw material. This process is known as fractional distillation.

These distilled products may undergo further distillation and refinement, and different chemicals may be added prior to shipment to the consumer/industrial markets.

What is the term plait point?

A plait point is a term used in liquid-liquid extraction. It is the point where all three phases (in a ternary diagram) are partially soluble in each other. (excuse me if this is wrong)

What is it meant by shear force?

Force acting on a substance in a direction perpendicular to the extension of the substance, as for example the pressure of air along the front of an airplane wing. Shear forces often result in shear strain. Resistance to such forces in a fluid is linked to its viscosity. Also called shearing force .

What is result of more reinforcements used in structure?

The structure is called a over reinforced concrete or structure. The structure can fail without warning. Discuss why managers she would always t

ry to use positive reinforcement instead of negative reinforcement

What is an air impact wrench?

A tool that uses a hammer like rotary action to release very tight nuts.

What is the tallest non living thing on earth?

The tallest man-made object is a building, the Burq Dubaiin the United Arab Emirates.

The tallest natural point is Mount Everest, in the Himalayas of Nepal.

(There are some mountains in South America that because of the bulge of the Earth are farther from the Earth's center, but not from the surface.)

How do you find A1 and A2 in trapezoidal footing formula?

In the trapezoidal footing formula, A1 and A2 represent the areas of the top and bottom sections of the trapezoid, respectively. To calculate A1, use the formula ( A1 = b1 \times h ), where ( b1 ) is the width of the top section and ( h ) is the height of the footing. For A2, use ( A2 = b2 \times h ), where ( b2 ) is the width of the bottom section. These areas are essential for determining the overall bearing capacity and load distribution of the footing.

Why not just build micro-controllers that contain everything on it?

Many manufacturers are doing just that! You can buy microcontrollers now that contain flash memory, ram, a/d and d/a conversion, dsp, even a fpu right on chip! The limitation is at some point the chip becomes so specialized that it has limited application. That means it will not sell in very large quantities. The chip makers have to balance these factors when deciding how much stuff to put on a microcontroller. Also at issue are interconnects inside the chip as well as package pinout. Some chips now have so many pins on such a very fine pitch that soldering/assembly is becoming more and more difficult. Dissipation of heat is also a major factor as the microcontroller increases in complexity.