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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 is a unirotating propeller?

A uni-rotating propeller is one that can go around in both directions. This type of propeller typically will do different things depending on which direction it is going.

What is SDV valve?

Shut Down Valve- used in ON/OFF position only.

Uses of boiler?

A boiler is primarily used for heating. Water is heated and forced through pipes to heating receptacles called radiators. Giant boilers are also used for electricity. Water is heated to turn giant turbines that produce electricity.

What is a scotch yoke mechanism?

The scotch yoke is a mechanism that reciprocates motion and converts the horizontal motion of a bar that is constantly sliding into a rotational motion. This device is commonly used to control valve actuators that can be found in gas pipelines.

Is araldite a heat conductor?

Araldite is not a thermal or heat conductor. It does not conduct electricity too. It does not matter what type of Araldite.

Liters per second to meters cubed per hour?

1 liter per second is equal to 3.6 cubic meters per hour.

What is a delta pressure sensor?

It is a slang tern given to a Differential Pressure Sensor or Transducer.

What is the velocity of sound at sea?

Do you mean speed of sound at sea level?

Scroll down to related links and look at "Speed of sound - temperature matters, not air pressure".

What is the essence of slump test as used in civil engineering?

Slump test is the most commonly used method of measuring workability of concrete
which can be employed either in laboratory or at site of work.It is seen that the slump test gives fairly good consistent results for a plastic-mix. This test is not sensitive for a stiff-mix. In case of dry-mix, no variation can be detected between mixes of different workability. In the case of rich mixes, the value is often satisfactory, their slump being sensitive to variations in workability.

How much does a 30MW condensing steam turbine cost?

Depends on the features (extractions, blade rows, inlet temperature/pressure...), but maybe around $2 million or so.

What units is vacuum measured in?

A vacuum's quality is indicated by how little material is within it. The quality is usually measured in gas pressure (as torrs). A torr is a historical unit, although still used for vacuum quality. The Si unit is the Pascal.

Which process will lead to larger work output isothermal process or polytropic process with n1.25?

The process equation for this is PV up to the nth power which equals C. The polytrophic process is 1.25 which is the n in the equation.

What is boring in mechanical engineering?

Taking hours out of your day and applying your intelligence to things like designing a bolt

What are the specifications of a steel W-beam that is 203x46?

A W-beam, or a wide I-beam with the designation of W203x46 is wide-flanged (the "W" part), and has specifications that include a flange-to-flange outside depth (or height) of 203 millimeters (picture the letter "I" and it's the top-to-bottom dimension). It will also weigh on the order of 46 kilograms per linear metre. Use the link below for more information.

Formula for Line Speed?

The formula for line speed is d * r * 1.1 = c. It is wherein d is the product diameter, r is the desired product rate, and c is the conveyor speed.

What is VPN hardness?

Is NordVPN really the leading vendor it claims to be? Does its latest coupon make it better value for your money than ExpressVPN and CyberGhost? I ran every test possible to see how well it really performs. From its encryption and security measures to its speeds and ability to get around geoblocking, you’ll find everything you need to know about NordVPN in this full review. Before we dive right in, I will say one thing: NordVPN offers some of the best features around. In fact, its app is full of perks that some other VPNs haven’t even thought about yet. But are there any drawbacks? Yes, I found a couple of areas where NordVPN fell short

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What is bearing stress?

Bearing stress is defined as the stress that results from the contact of two members. The equation to determine average bearing stress would be sigmab = P/A where P is the force applied to the member, and A is the contact area of the object resisting the force. The SI unit for bearing stress is Newton/meter2 which equates to Pascals (Pa). The US units for bearing stress are either lb/in2 which equates to pounds per square inch (psi) or kips/in2 Which equals kips per square inch (ksi).

Can one hubometer work for any tire size?

Yes, a hubometer should work for any tire size. It also should work for practically any brand and model of tire.

What is radial load?

Force that is applied perpendicular to the axis of a bearing's shaft. Radial loads are also called rotary loads.

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What is a machinists V block?

A machinists V block in its simplest form is a block of metal with a V shaped (usually 90 degree V ) groove cut into it ( typically with a small square notch at the bottom of the V running its full length )

It is machined with high precision and usually hardened to prevent excessive wear.

It is used to hold materials such as round bar securely while machining it. Imagine placing a round bar on a flat surface and trying to hold it while you try to drill a hole through it.

the block may have other grooves to permit secure attachment to the work surface and also to accommodate a horse show shaped clamp to hold the work in in the V

Does ambient temp effect the temperature produced by an air conditioning unit?

In short answer, yes. There are many things that will affect the temperature produced by an air conditioning unit, to be honest.