Free API-571 Exam Braindumps (page: 15)

Page 14 of 114

In design and fabrication, it is advisable to avoid sharp changes in cross section, such as short radius fillets or undercut that can give rise to _________. Long-seam welds are particularly susceptible to reheat cracking due to mismatch caused by fit up problems.

  1. Stress concentrations
  2. Cracking
  3. Circumferential stress
  4. All of the above

Answer(s): A



The most important factors affecting graphitization are the chemistry, stress, temperature and _______.

  1. Velocity
  2. Time at exposure
  3. Pressure
  4. Ductility

Answer(s): B



Creep damage is found in high temperature equipment operating above the ________. Fired heater tubes and components, Catalytic reactors, FCC reactors and FCC fractionator and regenerator internals all operate in or near this.

  1. Transition range
  2. MADT
  3. Creep range
  4. None of the above

Answer(s): C



Amine stress corrosion cracking is most often associated with lean amine services. The pure alkanolamine does not cause cracking. Cracking in rich amine services are most often associated with _______ problems.

  1. H²S
  2. Stress
  3. Wet H²S
  4. Temperature

Answer(s): C






Post your Comments and Discuss API API-571 exam with other Community members:

API-571 Discussions & Posts