1. Adjust the upper jaws CD of the Vernier Callipers so as to touch the wall of the beaker from inside without exerting undue pressure on it. Tighten the screw gently to keep the Vernier Callipers in this position. 2. Repeat the steps 36 as in (a) to obtain the value of internal diameter of the beaker/calorimeter. Do this for two different ...