Pond pumps must have an outddoor electrical outlet unless the unit is solar powered. To ensure its safe use, make sure the unit has a Ground Default Interrupter.
All swimming pool pumps are run with electricity.
Yes, they require a biofuel
Yes.
If a pump motor receptacle is located between 6' - 10' from the inside pool wall, the receptacle must be a single twist-lock outlet, grounded, and GFCI protected. Maximum flexible cord length for pump is 3 Ft.
Metabolism motility protein pumps (sodium-potassium pump for example) creating gradients (chemical or electrical) Other protein pumps that shuttle anything against its gradient (from low to high concentration) Activation and/or deactivation of second messangers I am sure there are others...
It pumps out the separated ( clean) oil through the outlet pipe.
Before humans used electrical motors to operate pumps to pump water from the ground, the pumps were mechanically operated, via hand (hand pumps), wind (windmill pumps), etc.
There are three water pumps one mechanical and two electrical, the mechanical one is on the front of the motor one of the electrical is on the driver side of the raditor and the other electrical one is under the coolant reservoir.
Sure ... might require some special pumps and plumbing, but it could be done.
The simplest of pumps. A vaned rotor rotates inside the pump body. The water spins to the outside of the pump rotor and is forced out of the outlet pipe. The differential pressure across the pump continuously reprimes it. Very common in vehicle cooling systems, power showers and in washing machines.
If electrical power is out the gas pumps will be out too.
Sump pumps can be installed by almost any intelligent handyman. Piping can be fixed PVC or flexible tube as long as it leads outside or to a regular drain.