CWB LEVEL 1 EXAM PREP QUESTIONS AND ANSWERS 2024.

An inspector is acting as a responsible representative of an organization when decisions are : formed based on consultation with the governing procedures and standards True or False? Due to the variety of welded structures requiring inspection, no one class of inspector is expected to be proficient in all types of inspection. True A welding inspector must: be familiar with drawings and symbols When deviations from drawings and specifications are warranted, such deviations should be: obtained and recorded by the inspector upon release from the design agency True or False? prior to welding being carried out on a contract, it is the duty of the inspector to verify that the welding procedure and performance qualifications have been established and approved. True Briefly describe the stage at which visual welding inspections should begin? prior to the actual fabrication operations True or False? Magnetic particle inspection utilizes a magnetic field, which can be induced in non-magnetic materials. False When inspecting welds using magnetic particle testing, what is the most common way to induce the magnetic field when using direct or alternating current? AC/DC yoke What type of current is used to detect subsurface defects when using a magnetic particle test? DC True or False? Magnetic particle testing can be used in all positions, including overhead. True Briefly explain why is it necessary to clean the weld zone surface with a solvent to remove grease and dirt before liquid penetration inspection? will interfere with liquid penetrant, block openings. Foreign liquids can dilute penetrants Which of the following terms define the period in which penetrant must remain on the surface? Dwell time Depending on the type of penetrant being used, what two methods are permitted for the removal of surface penetrant, prior to the application of developer ? Water washable/ solvent removable Some specifications limit halogen content in penetrant test materials because under certain conditions they can cause stress corrosion cracking in what materials? Austenitic stainless steels