

McqMate
Q. |
An advantage of AC equipment over DC is: |
A. | AC is more penetrating |
B. | AC is less hazardous |
C. | AC makes the magnetic particles more mobile on the test surface |
D. | AC equipment is heavier than DC |
Answer» C. AC makes the magnetic particles more mobile on the test surface |
View all MCQs in
Non Destructive Testing and EvaluationNo comments yet