CWB Module 12 Mechanical Testing of Welds CORRECT 100%
0 view 0 purchase
Course
CWB Module 12 Mechanical T
Institution
CWB Module 12 Mechanical T
Exercise Questions - Section 2
1. When a metal is subjected to load, it will be resisted by internal forces within the metal. The intensity of these forces through a given plane is known as ___________ - ANSWERStress
Exercise Questions - Section 2
2. Select the 3 ways in which a load can ...
1. When a metal is subjected to load, it will be resisted by internal forces within the
metal. The intensity of these forces through a given plane is known as ___________
- ANSWERStress
Exercise Questions - Section 2
2. Select the 3 ways in which a load can act on a cross-sectional area in a body
Strain is the extension divided by the original length - ANSWERTrue
Exercise Questions - Section 2 & 3
1. If a plot of stress against strain is made for a bar that undergoes plastic
deformation, the stress at which a permanent set is first recorded when the bar is
unloaded is known as:
a) permanent set
b) strain
c) the elastic limit
d) the proportional limit - ANSWERc) the elastic limit
, Exercise Questions - Section 2 & 3
2. True or False
Stress is load divided by the original cross sectional area - ANSWERTrue
Exercise Questions - Section 2
4. The modulus of elasticity, E, for steel is usually taken as:
a) 2000 MPa
b) 200,000 MPa
c) 200 MPa
d) 2,000,000 MPa
e) 29,000 MPa - ANSWERb) 200,000 MPa
Exercise Questions - Section 2 & 3
3. To carry out tensile tests, special machines are needed to exert the necessary
force. They are generally 2 types: ________ and _______________. -
ANSWERMechanical and hydraulic
Exercise Questions - Section 2 & 3
4. If it is desired to measure the strain during a test, an _________________ is
placed on the specimen. - ANSWERExtensometer
Exercise Questions - Section 4
1. Name 3 types of guided bend tests? - ANSWERa) Face bend
b) Root bend
c) Side bend
Exercise Questions - Section 4
2. After bending, the welds are examined for flaws or cracks. It is a condition of
almost all codes that the specimens shall be considered to have failed if, on
examination of the convex surface after bending, there is a crack or open defect
exceeding _____________mm in length measured in any direction - ANSWER3
Exercise Questions - Section 4
3. What is the purpose of a nick break test? - ANSWERTo reveal internal weld
defects
Exercise Questions - Section 5
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller papersbyjol. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R241,40. You're not tied to anything after your purchase.
