Answer:
A four-stroke cycle engine is an internal combustion engine that utilizes four distinct piston strokes (intake, compression, power, and exhaust) to complete one operating cycle. The piston make two complete passes in the cylinder to complete one operating cycle.
Explanation:
Answer:

Explanation:
The adiabatic throttling process is modelled after the First Law of Thermodynamics:


Properties of water at inlet and outlet are obtained from steam tables:
State 1 - Inlet (Liquid-Vapor Mixture)





State 2 - Outlet (Superheated Vapor)




The change of entropy of the steam is derived of the Second Law of Thermodynamics:


Answer:
i dont know but i will take the points tho hahah
Explanation:
Answer:
Airplanes' wings are curved on top and flatter on the bottom. That shape makes air flow over the top faster than under the bottom. As a result, less air pressure is on top of the wing. This lower pressure makes the wing, and the airplane it's attached to, move up.
Explanation: