what is engine braking?

Answer 1

Downshifting to a lower gear and allowing the engine to slow the car down.

Answer 2

Engine-braking is the practice of using the engine to slow down a car or truck. In a car, you can shift into a lower gear and let the clutch out and the lower gear ratio, among other mechanical processes, forces the car to slow down quickly without use of the brakes.

Engine-braking is the practice of using the engine to slow down a car or truck. In a car, you can shift into a lower gear and let the clutch out and the lower gear ratio, among other mechanical processes, forces the car to slow down quickly without use of the brakes.

Engine braking systems like Jake Brakes alter the engine’s four-stroke engine cycle to essentially temporarily convert the diesel engine into an air compressor, with the compressed air being released through the exhaust valves rather than igniting with a fuel mixture to push down on the piston as happens during normal accelerating operation
In this way, the engine’s energy, or rather the kinetic energy of a truck accelerating downhill, is converted into compressing air in the engine cylinders, whose energy is released explosively through the exhaust system. Unless you have a special muffler installed as is legally required in Oregon, you have "unmuffled engine brakes." And they are extremely loud and noxious to anyone in the immediate area.

Using this system, truckers can spare their traditional brakes, which could otherwise wear out quickly or even catch fire keeping 80,000-pound loads from careening uncontrolled down hills.

Answer 3

This is method of braking that uses the compression of the engine to help slow the vehicle. It's done by changing the vavle cycles by mechanical or computer input. Invented by an American named Jacobs, thus "Jake Brake", the common name for this device.

Answer 4

Engine Braking refers to when you don't press the accelerator and so slow down the car using the fact that the engine has not additional power and is slowing down, which slows down the wheels.

Answer 5

Engine braking is to slow down your car using a lower gear.
On a lower gear, your engine churns out a lower RPM causing the car to slow down.

Answer 6

I am not sure what context you ask this in but engine break tests were done to to measure or test the performance of an engine. The mechanics behind this are well documented so if you want the detail it will be readily available from the WWW. Simplistically, a load is applied to the engine and its ability to resist this load without loss of performance is measured. This is where Torque and Break Horse Power measurements came from

Answer 7

slowing down in a more speed resistant lower gear normal for the speed to assist braking.

Answer 8

it's when you hold the gas pedal to the floor and you hear noises of metal crashin' it's called ENGINE BRAKING!!!

Answer 9

if you meen from a road sign its refering to semis which have cylinder jake brakes that you can control by a switch.