Engineering

Encoders are sensors that generate digital signals in response to movement. Both shaft encoders, which respond to rotation, and linear encoders, which respond to motion in a line.

That's a difficult question to answer. First, in the sense that a propeller is really an airfoil, it does, in fact, generate lift. However, the concept of lift with respect to aircraft, generally refers to the vertical lifting force, and this is produced by the airfoils (wings) and not the propeller. The propeller produces forward thrust which, when sufficient, generates the speed necessary for the wings to produce lift. So, back to the question: A propeller needs to turn fast enough to produce enough forward speed for the airfoils to produce sufficient lift for the aircraft to rise. The RPM necessary to do this depends on the size and number of blades, the power of the engine, the weight of the aircraft, and a number of other factors such as airport elevation, etc. Sorry this doesn't exactly answer the question, but hopefully it will help you craft a more specific question that can be answered more accurately.

1. Energy

2. Shelter

3. food

4. water

5. Proper temperature

6. oxygen or carbon dioxide

A radar engineer works with radar. They have design, develop, install, and test a radar.

Shop drawings usually refer to drawings made by an engineer and distributed to the shop floor to be used by the fabricators. An as built drawing can mean one of three things. A) As built commonly refers to an item that will have a mirror or opposite part, and is usually labeled as Right or Left Hand, or Opposite Side. In this case AS DRAWN or AS BUILT means the fabricator is to make the part just like the drawing. Often these drawings are enlargements of sections of another drawing. B) The drawing is made during the building process. This would occur during custom building or prototype stage of manufacture. These drawings would then be sent to the engineer for finalization, assuming they work. C) The drawing is made from an existing sample part or product, sometimes by the engineer and sometimes by the people on the shop floor.

Parts:-

1. Ram

2. Position adjusting lever

3. Ram lock lever

4. Tool slider

5. Tool holder

6. Clapper box

7. Machine wise

8. Table

9. Saddle

10. Clutch

11. Table feed control lever

12. Length adjusting lever

13. Automatic lever

14. Manual lever

15. Ram speed lever

16. Base

F Function:-

shaping, chamfering, grooving, threading etc

An aluminum can is typically 0.1 millimeters thick, which is about the thickness of a human hair.

A "blueprint" is an old way of copying an original drawing onto blueprint paper. UV light is used to expose the blueprint paper, and ammonia is used to develop the image.

Sometimes the term, "Blueprint" is a way to say, "construction drawings", which may include plan views, elevation views, cross sections, profiles, or details.

They are drawn by drafters, engineers, architect, or anyone with the knowledge and a CAD program or (shudder) pen or pencil on paper, linen or polyester film.

Syrup typically contains sugar (such as sucrose or high fructose corn syrup), water, and sometimes flavorings or preservatives. Some syrups, like maple syrup, are made solely from the sap of certain trees.

"Ultimate Tensile strength", is measured as the number of Kilogram of force needed to fracture a 'unit' of Area of the material.

If you choose to use the Units of Kg for the force , and the Unit of Square Cm for the area; then the answer will be in Kilogram per Square Centimetre. You will now realise that it is NOT practical to measure tensile strength of paper because paper is extremely thin and it is not possible to make a piece of paper with an area of 1cmX 1 cm. Paper is usually about one twentieth of a mm thick. However, it you cut a strip of paper exactly 1 cm wide, from a telephone book with the pages clamped very tightly together between 2 strips of wood, and the stack of strips were exactly 1 cm thick; then you would have an area of SOLID paper which would be 1 cm X 1 cm. Now hang weights on it until it breaks apart. The Tension you created on the 1 square cm would be your answer.

Different types and qualities of paper will give very different results. In the same way , different types of steel have very different Tensile Strengths. Talk to an Engineer and he will explain the different between 'Ultimate' tensile strength, and 'Safe Working' tensile strength. Steel is an Elastic substance just like rubber, but it Ultimately stops stretching and breaks when its Ultimate tensile strength is reached.

Concrete's best strength rating is in compression, as in equal force from either side. Its weakest rating is in its shear strength, as in force in different areas like snapping a pencil in your hands. To increase concretes shear strength, re-inforcing steel bar is used because of its high shear strength characteristics.

electrical engineering and computer engineering

A non-licensed person may be the sole owner of a civil electrical or mechanical engineering business if a currently licensed California civil, electrical, or mechanical engineer is designated as the responsible managing officer or manager of the firm. This licensed individual must oversee engineering work and ensure compliance with state regulations. Additionally, the business must operate within the scope of the licensed individual's expertise to maintain legal standards.

Adjust by link, sector & pinion

Cars are made from metal because it is hard, strong, and inexpensive.

Many early cars were made mostly of wood, but these cars broke apart in accidents and long sharp wood splinters killed people.

Much work has been done on making cars of a variety of different plastics, to varying degrees of success.

Genetic engineering has been around for a long time, such as selective breeding of animal stocks, but the purposeful tweaking of DNA has only been around since the 1970s. For animal breeding, breeders chose the features they most liked in the animal and bred those that exhibited these features.

For the more modern version, genetic engineering was started for various reasons. Genetic engineering found a way to produce artificial insulin, produced by bacteria, in order to meet the requirements of growing numbers of diabetics. Crops were engineered to withstand pesticides and herbicides so that farmers could spray the crops to kill the insects and weeds without damaging their plants.

Provides a very large area for gas interchange between the breathed in air and blood, but does not require the lungs to be so large as impossible to fit inside the body.

Formula for steel bar weight per meter = D2/162 where D is diameter of bar

A few broad areas for your consideration-

ELECTRICAL safety- when using any electrical equipment

THERMAL safety- when working with hot items

EYE and FACE safety- working with things that spatter. or produce ultraviolet light that can burn your eyes

RESPIRATORY safety- breathing fumes from welding is very unhealthy

FIRE safety- you can set things on fire

MATERAIL HANDLING safety- cuts and strains/sprain when moving heavy or sharp items

The metric conversion of kilocalories convert to British Thermal Units is straightforward. For example, 50,000 kcal is equal to 198 283.342 but.

The theory of the Slider-crank mechanism is while the entire mechanism has six free degrees, the whole system only has one free degree. When those six degrees start moving, the whole thing can only move in circular motions.

a false station at which observation is taken for other point ,but later its reading is transfer to true station(impossible to set up station viz church tower) is called satellite station(false station).

As of 2011, the Mariner 10 and MESSENGER missions have been the only missions that have made close observations of Mercury. MESSENGER made a flyby of Mercury on 14 January 2008, to further investigate the observations made by Mariner 10 in 1975.[2] A third mission to Mercury, BepiColombo, is to include two probes. BepiColombo is a joint mission between Japan and the European Space Agency. MESSENGER and BepiColombo are intended to gather complementary data to help scientists understand many of the mysteries discovered by Mariner 10's flybys.

It shouldn't matter which port you use unless it involves a network switch.

Grade 60 has a tensile stress of 60000 psi while Grade 40 has 40000.

Grade 60 steel rusts faster than grade 40.

grade 60 bar can be identified by the word 60 which should have printed on that while on grade 40 no no will be printed or written and we can identify this by counting the lines on steel as well.

If there are 3 lines longitudinally on the bar its is of 60 grade and if 2 lines longitudinally it will be identified as 40 grade.