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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

How do you evacuate an automotive air conditioner system?

To evacuate the system, you will need a refrigerant recovery machine. These cost about $3000 and usually this is best left up to a shop, and to just evacuate, they won't charge you very much. I think they should do this for free if they're not charging it too since this is the equivalent of them charging you to take your used motor oil. Technically you could just hook up a fill hose to it and not connect anything to the other side, but this is against EPA regs and you will be fined big time if caught. I don't recommend this, it's very harzardous to breathe in R134 or R12. Also if you're going to do this and open the system, you will have to do a deep vacuum with a venturi or equivalent type pump to get all the air out. I hope this helps with your project.

Mechanical Engineering BTech?

its available in some universities. some other universities offers BE in mechanical engg.

What is flame kernel?

the particles which first achieved the combustion reaction, leads other particles to the activation energy.

How to Store and Maintain Light Construction Equipment?

Most building contractors have numerous pieces of light equipment that’s rotated from a storage facility to a job site when needed. Storing the equipment in a way that it can be accessible, as well as maintained, is important to the longevity of the equipment. Laying power tools on the floor is going to lead to cord damage, or the tool being stepped on. Stacking shovels and chipping bars in a corner rather than on a rack, translates to confusion and lost time in getting the tools that are needed.

Organizing an equipment storage room should begin with setting up a bench area where tools can be serviced. Circular saws need to be cleaned and the oil level checked regularly. In addition, manufacturers recommend keeping a sharp blade in the saw at all times to avoid excessive wear on the motor. This is true with all power saws, including reciprocating saws and jigsaws as well.

A shelf over the bench is the best place to keep small wrenches and lubricants within reach. If a compressor is available, attaching a high- pressure air fitting to the hose is an effective way to remove dust and cutting debris from power tools. If a compressor is not available, a long handle brush with stiff bristles works just as well for cleaning most power tools.

Smaller hand tools are usually housed in tool boxes that can be stored under the bench, or on full-height shelves for easier access. The more tool boxes one has, the better it is to have shelves in order to keep the boxes off the floor. A bench and shelves are inexpensive when compared to replacing power tools, and certainly more efficient than spending time to pick up loose tools when someone kicks over a toolbox.

Long handle tools, such as shovels, picks and demo bars can be stored in bins that are attached to a wall. The height of the bins should be half the length of the handles, to prevent the tools from leaning out into the storage area. The depth of the bins from the wall can be as little as 8”, and they can run the length of a wall if necessary. Hoses, power cords and connectors can be stored on wall mount hooks, and these should be kept at a height that allows access to items below.

Advantages of camless engine?

The basic advantage of a cam is that it could dispense with having to recirculate exhaust gas through EGR systems.

What systems on a C-152 are Hydraulic?

C-152's use hydraulics with their fixed tricycle gear to make softer landings. Also, the disk brakes use a hydraulic system.

Your shifter knob on a 95 Chevy Beretta broke off from the metal bar it is attched to what is that piece called?

If the shift knob on a 1995 Chevy Beretta broke off from the metal bar, the metal bar is called the shift lever. The shift lever might be available at a reduced price from an automobile salvage yard.

Where would a lead screw be found?

Sometimes the propeller on a boat is called a screw & they used to be made of lead. So they would be found at the end of the propeller shaft.

How do you machine non conductive material using edm?

No you csn't machine the material which are non conductive by using edm.But there is a drived machining process which is used for machining non-conducting material(like ceramics, brittle materials) is ECDM(Electro Chemical Discharge Machining).

Why is law required to operate a steam boiler?

Strict safety measures are in place to make sure the boiler doesnt explode, it is a potentially lethal piece of equipment.

Which calculator helps to calculate fuel consumption?

A pen and paper. Miles driven divided by gallons of fuel used gives you mpg.

What is 490 grade steel?

Its a low carbon, high strength structural steel. It is mostly used for cranes, booms, bridges, machinery parts and mobile equipment.

What is the basic function of an air valve?

The basic function of an air valve is to control the release of air that is under pressure. Common places where an air valve would be used is on an inflatable tire. It is used to add more tire pressure to the tire.

What is meant by Mechanical engineering sandwich?

in sandwich u will get industrial training at last yr same corse as mech bt u will gt exp

What do levers have to do with mouse trap cars?

Levers are a big deal when it comes to Mouse Trap Cars, levers help make the mechanical advantage and ideal mechanical advantage higher and better.

What is a node of vibration?

node is the point where amplitude minimal or tends to zero.suppose when we vibrate a strngs of guitar-in ths case the fixed point should be consider as node.

from- viveka bikas satpathy iit delhi,26596344