CWB MODULE 11 BASIC INSPECTION TECHNOLOGY EXAM QUESTIONS AND ANSWERS

An inspector acts as a responsible representative of an organization: A) His decisions are governed by some form of written list of requirements which he has drawn up B) His decisions are governed by some form of written list of requirements which others has drawn up C) His decisions are governed entirely by his own opinions B) His decisions are governed by some form of written list of requirements which others has drawn up True or False Because of the variety of welded structures requiring inspections, an inspector is required to be proficient in all types of inspection. True One of the qualifications of a welding inspector is: A) He must posses formal qualifications and certification in various non-destructive test B) He should be able to interpret and evaluate accurately the results of various non-destructive tests. C) He must be certified engineering technologist. B) He should be able to interpret and evaluate accurately the results of various non-destructive tests. Where deviations from the drawings are warranted, the inspector A) Authorizes approval of such deviations B) May be called on to obtain official approval. C) must reject the work without any further consideration B) May be called on to obtain official approval. True or False Procedures are not absolutely necessary to control the welding operations and quality of the structure False At what stage should welding inspection begin? Prior to actual fabrication operations. Radiography is the most commonly used non-destructive method for the detection of ______________ in welds A) Underbead non-fusion B) Surface discontinuities C) Volumetric discontinuities D) Crack-like discontinuities C) Volumetric discontinuities During the generation of X-rays, electron interaction with the atomic structure of the target material produces energy. What percentage of this energy is in the form of: A) Heat__________ B) X-rays ________ 99% for heat and 1% for x-rays True or False Gamma radiation emitted by a radioscope of Co60 has wave lengths which are longer then IR 192 False In general, Radiographs made with Gamma-rays are ________________ to those made with X-rays. A) Superior B) Equal C) Inferior D) Superior of steel thicknesses under 2" C) Inferior In general, the construction codes relating to radiography will specify that a penetrameter shall be ______________ of the thickness of the material which is to be radiographed A) 5% B) 10% C) 3.5% D) 2.0% E) 6% D) 2.0%