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Hydraulics

Due to its immense power, hydraulics are used for operating various machinery, vehicles, aircraft, ships and equipment. The data and engineering revolving around hydraulics is so vast, its hard to comprehend.

1,856 Questions

Control diagrame of a capacitor bank and why you use capacitor banks?

---- Capacitor banks used to improve power factor(lagging) of a circuit:: This is necessary since it causes saving in power and electricity bill in following ways: 1) As p.f rises, circuit currnt decreases and hence I2R losses reduce 2) Var consumption reduces There is no tool provided here to draw the ckt diagram:: U take on PFC(power factor correction bus), then connect switch fuse, then HRC fuse, then Contactor, then overload relay and finally the capacitor bank

What is the Three Reservoir Problem?

This is a classic problem in hydraulic engineering. Three reservoirs are connected by pipes. All the reservoirs have surfaces at different elevations.

Given the height each reservoir and pressure loss in each leg of the pipe network, liquid will either flow into or out of each reservoir.

If you apply the Bernoulli equation from the surface of each reservoir to the pipe junction, you end up with three nonlinear equations in four unknowns (the flowrates in each leg of the piping network and the total pressure head at the junction). An additional equation is supplied by applying the Continuity Law at the pipe junction (i.e. the sum of all flowrates at the junction is zero if there is no outflow).

This now gives four equations in four unknowns; no analytical solution is possible. You can solve the equations iteratively, however, using a tool like Excel. See the spreadsheet in the related link for an example

What are the applications of multilevel inverters?

The various applications of multilevel inverters are

1. Motor Drives

2.Active Filters

3.Power conditioning

How do you replace seals on a 2 ton hydraulic jack?

If it is made in China, just throw it away and buy a new one. If it is a quality jack made by a name brand, contact the company (via e-mail or phone) and order a rebuilt kit. The kit will come with instructions, it is a simple task.

What type hydraulic oil does a Case 530 tractor use?

Back when that tractor was made, they probably said to use an SAE 10 or similar hydraulic oil. Now days, the Universal Hydraulic Oils that are available meet and exceed the specs on those older type oils. You should be able to get Universal Hydraulic Oil from about any oil distributor or farm supply store.

How does turbulence affect fluid-flow in a hydraulic line?

due to turbulance the flow of the fluid decreases. the fluid particles traces abnormal path and stops the movement of other particles also. this occur due to some sudden blocking which converts laminar flow into turbulant flow.

What is the difference between hydraulic motors and pumps?

A hydraulic pump uses an external mechanical force to pressurize the hydraulic fluid. A hydraulic motor uses the pressurized hydraulic fluid to apply a mechanical force an external machine.

See the difference between a pump and a motor.

How do hydraulic cranes bleed the hydraulic system?

With interchangeable rubber washers and bushes and ball bearings can make the bleeding stop.

What is the advantage of a hydraulic shaper?

1) The cutting speed is constant almost throughout the stroke

2) The ram stroke reverses quickly with out any shock as the oil on either side of the piston provides a cushioning effect hence , vibrations are minimum

3) a number cutting speeds can be obtained and control is simpler

4) more strokes per minute can be obtained at a given cutting spee3d

Advantages of hydraulic jacks?

Hydraulic jacks have the advantage of working quickly to raise or lower items like autos. A hydraulic jack is filled with fluid and can lift heavier loads while using less force.

Does and air bag in an automobile use hydraulics and pneumatics?

Niether. Although it is possible to inflate an airbag with pneumatics, most car airbags are actually inflated by an explosive charge called sodium azide, which is even faster than pneumatics. Airbags only have a fraction of a second to inflate, which is why a sodium azide explosive charge is used.

Inflating an airbag hydraulically would be very bad - hydraulic fluid is incompressible, and thus can't absorb any crash energy. It would probably just burst even if you could inflate it quickly enough!

What hydraulic filters cross with speeco 390601A0?

What hydraulic filter cross references for new holland 340500951

Similarities between hydraulics and pneumatics?

easy: Both use pressure now hydrolics used liquids (liquids cannot be compressed) to exhert pressure pneumatics uses gasses which are compressed to exhurt pressure thtas the basics anyway

How do you check and add hydraulic fluid in a case 930 tractor?

Remove the breather cap at rear of tractor, on the left side of the PTO it pulls straight out. It has a dipstick on it. You should be able to add fluid there as well.

How much hydraulic oil for 773 Bobcat?

Hydraulic Reservoir 4.8 gal

Hydraulic System 8.5 gal

Chaincase Reservoir 9 gal

What is the first step when changing a hydraulic filter?

Read this blog post to learn the proper filter element change out ... We have compiled a step-by-step guide to minimize contamination .

Where is the hydraulic oil fill on a cat 416 backhoe?

Left side front hood, unden a lift panel in front of the radiator...