Scavenging
In freestyle swimming, the breathing technique is commonly referred to as "bilateral breathing." This involves turning the head to the side to inhale while maintaining a steady stroke rhythm. Swimmers often practice breathing on both sides to promote balance and symmetry in their stroke. Proper timing and technique are crucial for effective breathing without disrupting the swimmer's stroke.
'a 4 stroke engine cycle' is usually what it is called...
You're talking about an engine compression brake, commonly referred to as a Jake Brake.
stroke
Usually no.
The most efficient to date is a 2-stroke design. it is a turbo desiel 2-stroke. but normally a 4-stroke is usually the more efficient of the two engine types.
Depending on the type of 250cc engine, two-stroke or four-stroke, and the state of tune of the engine you can expect anywhere between 20hp for a nice relaxed trail bike to over 40 hp from a fire breathing two-stroke motocrosser.
Usually none at all.
A hemorrhagic stroke relates to your brain. Strokes can occur in large or vast amounts (small usually referred to mini stroke). Strokes all take place in the brain. Some people usually think strokes are heart related.
Explain the advantages of four-stroke engine over two-stroke engine
Usually none at all.
It refers to the throws of the crankshaft/distance the piston moves. It usually is compared to the bore of the engine. An example a 302 4"bore x 3"stroke is a short stroke motor, by comparison a 5.4L ford v8 3.552" bore x 4.165" stroke.