Painting/Coating

   226.          Example for paint involving barrier principle a)              Zinc rich epoxy b)              Zinc or Aluminium c)              Urethane d)              Rust inhibitive primers   227.          Rust inhibitive primers operate by? a)              Oxidation to protect the substrate b)              Pigmentation c)              Zinc phosphate d)              Passivation   228.     ...

 201.        Which type of nozzle given greater control? a)             Venture Nozzle b)                Short bore Nozzle c)             Straight bore Nozzle d)             Angled Nozzle   202.         Copper Slag is a)             Shatters b)             Does not shatters c)             Spherical d)             None of the above   203.         Limits for Testex Tape use Coarse a)       ...

151.         Why steam cleaning is not conducive the oil and gas industry? a)             Require electricity b)             Need more water c)             Require heat source d)             Highly expensive 152.         Air/Abrasive stream is using water approx. a)             One and a half litre /min b)             Need more water c)             Two litre/min d)             Three litre / min   153.         Sometimes use flame cleaning at...