When the engine is cold.
Yes
Yes
Yes
Taurus
luner roving veichle
gag
Choke is used generally in cold weather to prime the engine generally in carborated engine in hot weather choke is not needed however in newer fuel injections the choke is all electric and has no user control
About 2,500 BCE.
donkey
donkey
choke is used before drives to reduce the source supply fluctuation problem , which will effect drives
choke is used to lower the pressure from the well head