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Mechanical Engineering
Mechanical Engineering is a branch of engineering that encompasses the generation and application of heat and mechanical power and the design, production, and use of machines and tools. Mechanical engineering involves application of the principles of dynamics, control, thermodynamics and heat transfer, fluid mechanics, strength of materials, materials science, electronics, and mathematics.
10,989 Questions
The Pirani gauge is a robust thermal conductivity gauge used for the measurement of the pressures in vacuum systems. This gauge is used to measure the pressure between 0.5 torr to 10-4 torr.
Which of the following examples illustrates a pivot joint in use?
A pivot joint in use can be illustrated by the movement of the neck. The neck contains several vertebrae that are connected by pivot joints, which allow the neck to rotate and move in different directions. For example, when you turn your head to the left or right, the pivot joints in your neck allow your head to rotate on your shoulders. This is an example of a pivot joint in use.
What is the difference between normal stress and bearing stress?
Shear stress acts parallel to the section surface while bending stress induces tension and compression in the element. Due to tensile and compressive bending stresses beam/member get rotated while shear stress tries to cause vertical movement of beam/member.
Is truss a type of beam bridge?
It's a late nineteenth century Bascule - twin leaf at that. It is a sort of prefabricated Suspension bridge with the bascule machinery in the towers for the two folding leaves.
This is a description of Tower Bridge - not London Bridge.
'
It's also not a suspension bridge. A suspension bridge has a deck suspended from cables, and cannot be opened. The rest of the technical description is correct.
What is syllabus of 4th semester of mechanical engineering?
- DATABASES
- TECHNICAL WRITING
- CALCULUS 2
- ELECTRIC CIRCUITS
- DISCRETE STRUCTURES IN COMPUTER SCIENCE
List of mechanical companies in chennai with address?
Abicor Binzel Adidas Marketing Baerlocher Additives
Bajaj Allianz Basf Baumuller
Bayer Beiersdorf Bosch Group
Braun Medical Burgmann Carl Bechem
Carl Zeiss Daimler Chrysler DHL Express
DMG Durr Fichtner
Henkel Kluber Lubrication Knorr Bremse
Lahmeyer International Lapp Pharmaplan
Schuler Steag Encotec Stollberg
Suspa Pneumatics Wurth Zeppelin Mobile Systems
Zwick Roell
What is the maximum weight a bridge can hold?
Probably 3 to 10 times the weight you plan for it to carry.
Will the bridge be only for people? For cars? For Trains?
How long and how wide will it be? The longer and wider it is, the more people, cars, etc. that will fit on it.
What is the scope of mechanical engineering in Pakistan?
you just cant imagine it is such a vast field :p World cannot run without you people...i am also doing this engineering from uet.... you can go in nanotechnology, atomic energy, processing of material, designing materials for particular specially in craft designing...steel to ap ka hi raj ha. other fields you can go is composites ceramics etc,,,,,
What are some examples of piezoelectric materials?
This is a crystal which, when squeezed, will generate a potential difference across opposite faces. A practical example is an inexpensive phonograph/gramophone pickup.
it kind of welding for welding thin sextodecimos with depth and influence in places where welding company's and pullulation bed with a good quality for other fashion seems to be appropriate. If you are asking "how do you determine the tensile strength of MIG welding?" The aswer is it is stated on the box and spool. The number 70 means 70,000 lbs tensile strength same as the 70 in 7018 electrodes.
When was the ferris wheel invented?
The ferris wheel was invented for the 1893 world fair, by George Ferris Jr.
The Ferris wheel was invented in 1893.
Also know as a observation wheel, or big wheel it was designed and constructed in 1893 by George Washington Gale Ferris Jr. in Chicaho.
How are a lever and a wheel and axle similar?
To find the Mechanical Advantage you would have to divide.
The equation for Lever is: MA = Length of effort arm
--------------------------------
Length of resistance arm
The equation for Wheel and axle is: MA = Diameter of wheel
-------------------------
Diameter of axle
OR
MA = Diameter of axle
-----------------------
Diameter of wheel
* Depending on where the force is applied.
A wheel is just like a bunch of levers arranged in a circle with the fulcrum at the center of the wheel. The axle is like the short end of the lever.One degree of rotation of the axle results in one degree of rotation of the wheel; this is just like rotating the short end of the lever to movethe long end.
The world biggest wind turbine is 720 feet tall with 260 foot blades. It can also generate 8 megawatts of power that can supply electricity to 7,500 European homes. It's located at the Danish National Test Centre for Large Wind Turbines in Osterilid.
Why has the toilet started making a noise when flushed?
A toilet may be making noise if parts are wearing out or a problem exists in the plumbing. It may be a good idea to contact a plumber to see if there is a bigger problem.
Where is a simple gear train used?
Simple Gears are machine elements that transmit motions by means of successfully engaging teeth.
The phrase "EP" as it relates to the music industry stands for "Extended Play." EP's are typically short (4 to five songs) debut albums that are released by new bands wishing to have their original tracks heard.
What does the nitrogen inside a light bulb do?
Yes, modern incandescent bulbs are filled with an inert gas (argon,) but with a bit of nitrogen. Nitrogen is used because argon supports long sparks and leads to electric arcs and exploding light bulbs, and nitrogen interferes with this effect.
When the electrons in molecules are unable to absorb the energy of incident photon, the photon continues along its path. This happens in the case of glass, even though glass is not 100 percent transparent, as some of the photon energy is absorbed by the glass electrons.
Orthographic drawing, views have no perspective foreshortening.
King Alexander III died in the 1300s. On a stormy night at Edinburgh when he safely crossed a river he went off without his guard. Then the horse he was riding on got scared from lighting and threw him off down a cliff and banged his head going down the cliff and then died...
Can visible light travel faster in a vacuum than both xrays and radio waves?
No.
We call it the "speed of light", but it's also the speed of radio, X-rays, heat,
ultraviolet, microwave, gamma rays, etc, and all forms of electromagnetic radiation travel at the same speed, as long as they're in the same medium (vacuum or material substance).
What are science apparatuses and uses?
There is the Bunston Burner witch burns things if you need to make a mixture like acid and zinc and with a bunston burner you can see the gas it makes the microscope zooms in 5x 10x 15x 20x
This a learned skill, basically it is very similar to some of the skills learned when gas welding. Both processes require a source of heat to melt the base metal and a separate source of filler material . Both require the use of two hands. The exception is when you are fuse welding. Melting the edges of two pieces to flow together.
