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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

What does the eustachain tube do?

The Eustachian tube connects the back of the nose to the middle ear. It is a small tube that is only three to four centimeters long.

What causes low productivity on a company?

Low productivity in a company is caused by a number of factors. Poor management, employee dissatisfaction, outdated systems and personal problems of employees all contribute to low productivity.

What is the average piston speed at 15000RPM?

Depends on the length of stroke of the piston. A piston goes up and down once per rev. so do the the calculation how many time the piston travels up and down in a min then work it against the distance travelled.

What is the current scrap price for brass in il?

It is between .35 to .45 per ounce. It will depend on the amount of brass in the item and what item you have.

What causes Planes to crash?

Planes can crash due to a number of reasons including pilot error, electrical/mechanical failure, bad weather, air traffic controller error, and on rarer occasions, terrorism and pilot suicide.

What is a app sensor?

Accelerator Position Sensor. This measures the position of the gas pedal and is used by the ECM along with the Throttle Positon Sensor to control how much fuel is delivered to the injectors, along with a couple of other things of course.

Who made the first railway?

In 1872, the "St.E.G" factories in Resita manufactured for the European railways: 16 crane travelling on rails, 18 water tower tanks, 110 plates for the return of the railway engine, 514 switch double crossing frogs, 793 cushions.

What is a Tempil stick temperature measuring crayon?

These are temperature sensitive chemicals shaped in the form of sticks.

These are not temperature measuring but temperature Indicating crayons.

You have to interpret temperature by observing the physical change taking place

form solid to liquid.

A surface is heated & you start marking (or rather touching) at intervals.for example

you have a stick of 150oc with you.as soon as surface attains 150oc you will get

liquid droplets in place of dry chalky mark.

Kamal jain /Indore / India thermochalks@rediffmail.com

What does MMPCSD mean?

significa Millones de pies cúbicos estandar por día. I.Q Wendolyne Yessuny Casas García

Why is convergent-divergent nozzle generally used in steam turbines?

A convergent-divergent nozzle is generally used in steam turbines. This is because it drives generators in producing electricity with the use of turbine rotors with curved axes.

Who is an expert in Financial Performance in New Product Development?

Prof Grier Lin was invited to be the Senior Advisor of foreign technical aid projects by the Taiwan Government. He was also an International Advisor of the former Governor of Taiwan and an invited Member of Parliament (Legislator) from 2002 - 2005.

What is the Formula for net free area?

Divide attic square footage (width times length) by 300 - The "1 in 300" rule.

What is z-peller system?

would like to know how a master of a vessel can manouver it using z pellers.

would like to know how a master of a vessel can manouver it using z pellers.

I would like to know how a master of a vessel can manouver it using z pellers

What is the meaning of jairo in marine industry?

jairo means Bright Son in the bible; I have a cousin named Jairo and this is how I know; probably, this is posted as a joke, since this name is not common at all; and this would sound like the Japanese name Hiro, which is the closest answer you can get when looking it up in a dictionary.

What is No-spin differential axle?

The NoSpin differential is a type of differential designed by TracTech, and now owned by Eaton. It permits all the available torque to be delivered to the wheels while still allowing for wheel speed differentiation. Rather than having two side gears and one or more pinion gears (like a standard open differential), it contains a clutch on either side of the spider which mecanically engage with the spider. When one wheel is forced to travel faster than the other (such as the left wheel in a right-hand turn), the clutch on that side of the spider will disengage, allowing that wheel to spin faster. The other wheel will be given 100% of the available torque from the driveline. When both wheels return to spinning the same speed, the clutch engages with the spider again, and the differential basically acts as a locked diff. These differentials are normally used on off road machinery since the engagement and disengagement of the clutches is loud and can be felt through the driveline. They would be very annoying in high traction conditions (pavement). Owners manual: http://www.eaton.com/ecm/groups/public/@pub/@eaton/@per/documents/content/ct_128312.pdf http://4x4icon.com/offroad/detroit/detroit_noslip.htm Operation of a standard open differential: http://auto.howstuffworks.com/differential2.htm

What are the parts of a bullet?

there is the primer, the rim, the casing and the projectile there is the primer, the rim, the casing and the projectile there is the primer, the rim, the casing and the projectile

How do engineering mechanics relates to electrical engineering?

It really depends on what sub-discipline you choose to go into. For certain topics in EE, like microelectronics, or communications, there won't be a whole lot of correlation. For something like Power Systems, or Controls, you might see a little more.

For example, in controls, you may need to make an electronic control system for a mechanical device. In power systems, a good working background in mechanics may help if you get into the generation side.

What are Types of companion flanges in automobiles?

There are two major known types of companion flanges. The internal and external pilots which are a type ''S'' and '' A'' respectively.

What is the weight of 8mm thick glass?

8mm glass is 20KG per sq metre

10mm glass is 25kg per sq metre