최신API Welding Inspection And Metallurgy - API-577무료샘플문제

A. Chemical composition of the base metal

B. Weldability characteristics of base metal

C. Electrode characteristics

D. Comparable base metal characteristics

A. A localized darker density with fuzzy edges in the center of the width of the weld image.

B. An abrupt density change across the width of the weld image with a straight longitudinal darker density line at the center of the width of the weld image along the edge of the density change.

C. A lighter density in the center of the width of the weld image, either extended along the weld or in isolated circular drops.

D. An irregular darker density near the center of the width of the weld image along the edge of the root pass image.

A. The response or evidence from the application of NDE.

B. An interruption in the normal physical structure of a material.

C. A departure of a quality characteristic from its intended condition.

D. An imperfection which is detectable with NDE.

A. ET

B. RT

C. UT

D. MT

A. Electrode ovens should be heated by any means, but must have automatic heat controls and visible temperature indicators.

B. Low-hydrogen electrodes may be stored in ovens with cellulose-based electrodes, but must be in their original, unopened containers.

C. Electrodes should never be stored in an oven that is used for food storage.

D. Low-hydrogen electrodes should never be stored with stainless-steel electrodes.

A. The presence of untempered martensite.

B. The presence of tempered martensite.

C. A correlation to a low tensile strength.

D. The Brinell test device was struck too hard with the hammer.