Install an inline canister at the bend and the siphon can draw water through it to an elevation above the water source. Stop the siphon flow with a shutoff valve and empty a small amount of the water from the canister and then close it back airtight. When the siphon flow valve is opened the weight of the water in the long leg of the siphon can draw the air out and once the line is purged, the canister is ready to be emptied again. AUTOSIPHON (R) company has designed one valve which can do this.
Yes
Add some water, then siphon it out.
The incurrent siphon is a tube that water flow into which allows respiration, reproduction, locomotion and feeding. Locomotion is achieved by expulsion of water.
The clam has two siphons. The excurrent siphon (which expels water and waste out of the clam) and the incurrent siphon (which brings oxygen and food and water into the clam).
Probably, but why bother? Just buy a pump or siphon ready made.
If the end of the hose is running in a pool of water, yes
No it's water released out of the Siphon.
it doesn't
Water enters the mantle cavity through an incurrent siphon, and exits the mantle through an ex current siphon. This is a normal aspect of biology.
A shipon is like a filter it washes water in a out (like gills) for the airway. The siphon also helps the squid move faster.
YES
If your engine is a sportjet, it probably has a bilge siphon system that connects to the pump. If so, the siphon hose must be "looped" from the pump above the water line, then back down to the bilge. This should prevent water from backwashing through the hose into the bilge.