Blog

Discontinuities are interruptions of the typical structure of a weldment, such as a lack of homogeneity in the mechanical, metallurgical or physical characteristics of the material or weldment that makes the weld rejectable.

Undercutting that is continuous along one side of the weld is most likely caused by:

MatchingDirections: Match the part of the GTAW setup to its description.

Which part of the arc cleans the surface of the weld?

MatchingDirections: Match the part to its label.

The WR for x-radiation is 1, and the WT for the gonads is 0.2. If the gonads receive a D of 0.4 Gy from exposure to x-radiation, what is the EfD in Sv?

Which of the following occurs in humans after whole-body reception of large doses of ionizing radiation delivered over a short period of time?

If 9% of the offspring in each generation are born with mutations in the absence of radiation other than background levels, administration of the doubling dose to all members of the population eventually would increase the number of mutations to:

When suffering from the hematopoietic syndrome, death occurs due to what?

Which of the following measures the effectiveness of ionizing radiation in causing mutations?