It means you are lying to me or trying to fool me.
No, because you have used the term incorrectly. The idiom is YOU'RE pulling my leg, as in YOU ARE doing it."I know you're just pulling my leg when you say you can fly."
Yanking your chain,' means to insult someone in a teasing manner, perhaps convincing them of something untrue. This is also called 'pulling your leg.'
No, "chanking your chain" is not a commonly used phrase. It does not have a clear meaning or definition.
He told me I had won, but I thought he was pulling my leg.
An example sentence would be: "Are you pulling my leg? "
This is not an idiom - when you compare two things with "Like" or "As" then you have a simile. This comparison says that something is as hard as pulling teeth out would be. You often hear this said when someone is very reluctant to part with information and it must be pried out of them like pulling teeth one by one.
An example of an Idiom for Insincerity is: The cat weeping over the mouse [that he has just eaten]. a wolf in sheep's clothing pulling the wool over someone's eyes
It is not an idiom, it means your nose is itching.
It's not really an idiom. It means "what are you thinking about."
RFP is not an idiom. It's an abbreviation.
The main determinant is the resistance which depends on the condition of the sil. Whether you are pulling with a chain or a rope is irrelevant.
"Sieve" is not an idiom. See the related link.