API Welding Inspection And Metallurgy - API-577무료 덤프문제 풀어보기

A. Cobalt 60

B. X-ray machine

C. Selenium 75

D. Iridium 192

A. In the HAZ at the point where the arc initiates.

B. In weld metal at the point where the arc initiates.

C. In the HAZ at the point where the arc terminates.

D. In weld metal at the point where the arc terminates.

A. Weldability characteristics of base metal

B. Chemical composition of the base metal

C. Electrode characteristics

D. Comparable base metal characteristics

A. Deflection of the weld arc

B. Solidification cracking

C. Tendency of weld pool to be sluggish

D. Excessive distortion

A. A definition of specific techniques and practices that should be used for welding inspection.

B. Guidance on welding inspection during the fabrication and repairing of refinery equipment and piping.

C. Guidance on the extent and scope of inspection required for specific types of welds.

D. A definition of welds that should be inspected in refinery and chemical plant equipment.

A. Yield strength.

B. Hardness.

C. Toughness.

D. Ultimate tensile strength.

A. Less susceptible to brittle fracture.

B. Less susceptible to cracking during welding.

C. More susceptible to brittle fracture.

D. More susceptible to distortion during welding.

A. In the HAZ.

B. Transverse to the weld.

C. In the undercutting.

D. Parallel to the weld.

A. RT

B. UT

C. ET

D. MT