دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the distance from the normal level of the sea surface to the bottom of the hull or base of an offshore drilling platform or rig.

n: The distance from normal sea level to drill platform when marine drilling.

the clearance between the highest water surface that occurs during the extreme environmental conditions and the underside of the deck.

v: to join metals by utilising the arc created between the welding rod, which serves as an electrode, and a metal object. The arc is a discharge of electric current across an air gap. The high temperature generated by the arc melts both the electrode and the metal, which fuse.

n: a device that fits into the cylinder of an internal-combustion engine and that provides the spark for ignition of the fuel-air mixture during the combustion stroke of the piston. It carries two electrodes separated by an air gap;current from the ignition system discharges across the gap to form the spark.