
108
C
CP (Casing)
CP (Casing): See Casing point.
CPS: Central power station.
CPT: See Compliant piled tower.
CPT (Corrosion): Critical pitting temperature.
CQG: Crystal quartz gauge.
Cr: See Chrome.
CRA: See Corrosion-resistant alloy.
Crack a Valve: To barely open a valve.
Cracking: (1) The renery process in which large, heavy, complex hydrocar-
bon molecules are broken down into simpler and lighter molecules in order
to derive a variety of fuel products. (2) The process in which large molecules
found in crude oil are broken down into smaller molecules. See Catalytic crack-
ing and Thermal cracking. (3) Process carried out in a renery reactor in which ...