Jfob wrote:master's shaft is pulled out to max and the length is adjusted so that when its pulld out max, pedal is fully depressed.
What you are saying is backwards. When the pedal is fully depressed, the plunger should be in on the master cylinder.
To check to see if the slave cylinder is working properly, have someone depress the clutch pedal while you look under the car and observe the operation of the slave cylinder rod. You should see the rod move.
If the clutch is not fully engaged, it will be slipping and or chattering pretty badly.