Deck 18: Testing and Inspecting Welds

Question 1

Destructive testing is also known as _____. ​

A)quality testing​
B)assurance testing​
C)control testing​
D)mechanical testing​

Answer 1

D

Question 2

_____ are written documents adopted by jurisdictions that become part of their statutory law and are enforceable under their legal authority. ​

A)Codes​
B)Standards​
C)Designs​
D)Specifications​

Answer 2

A

Question 3

An active VT schedule can reduce the finished weld rejection rate by more than ____ because defects are identified and corrections can be made. ​

A)75% ​
B)80% ​
C)85% ​
D)90% ​

Answer 3

A

Question 4

_____ focuses on identifying defects in finished welds and piping systems. ​

A)Quality assurance​
B)Quality control​
C)Destructive testing​
D)Nondestructive testing​

Question 5

The goal of a _____ program is to constantly improve the quality of welds by changing the procedures when needed to reduce the number of defects and to reduce construction costs. ​

Question 6

MT uses very fine _____ powder to indicate discontinuities open to the surface or just below the surface of magnetic materials. ​

Question 7

When testing welds, what should the specimen include? ​

Question 8

What is radiographic inspection best used for? ​

Question 9

_____ uses the very short wavelength rays developed by x-ray machines or radioactive isotopes. ​

Question 10

The magnetic field can be induced in a pipe by passing a high-amperage, low-voltage current through it using a set of _____. ​

A)magnets​
B)electrodes​
C)probes​
D)penetrants​

Question 11

_____ is a method used to test weld materials for surface defects such as cracks, arc strikes, undercuts, and lack of penetration. ​

A)Destructive testing ​
B)Nondestructive testing ​
C)Charpy testing ​
D)Impact testing ​

Question 12

Color-contrast penetrants contain a colored dye that is often _____ in color. ​

A)blue​
B)green​
C)red​
D)yellow​

Question 13

What is the goal of a QC program? ​

Question 14

_____ is the most frequently used NDT method. ​

A)Magnetic particle inspection ​
B)Radiographic inspection ​
C)Visual inspection ​
D)Penetrant inspection ​

Question 15

_____ focuses on preventing defects through strict adherence to a process. ​

A)Quality assurance ​
B)Quality control
C)Destructive testing ​
D)Nondestructive testing ​

Question 16

What is the difference between quality assurance and quality control? ​

Question 17

Shot blasting is also known as _____. ​

A)sand blasting​
B)pipe penetration​
C)surface blasting​
D)weld penetration​

Question 18

All buried carbon steel and galvanized pipe, valves, fittings, and all other piping system components must be protected from _____. ​

Question 19

Why do you almost always see the phrase "codes and standards"? ​

Question 20

A _____ is a set of written instructions that must be followed to ensure that a process and end product are in compliance with applicable codes. ​