CWB Exam Practice Questions and Answers (100% Pass)
4 views 0 purchase
Course
CWB
Institution
CWB
CWB Exam Practice Questions and
Answers (100% Pass)
1.To measure the strength of a welded joint what mechanical test would
you prescribe?
a) A transverse weld tension test
b) A charpy test.
c) A CTOD test.
d) An all weld metal tension test. e) A side bend test. - Answer️️ -a) A
transver...
3. Which of the following refers to a welder test where a pipe assembly is
placed vertically and the joint welded in the horizontal position without
rotating the assembly?
b) Porosity moves up through later passes and will show only in a final
pass.
c) Porosity is restricted to the centre line of a weld.
d) Porosity can result from faulty welder technique.
e) Porosity can be dissipated by an appropriate heat treatment. -
Answer✔️✔️-d) Porosity can result from faulty welder technique.
7. An irregular, dense white spot is seen on the radiograph of a weld.
Assuming it was caused by the welding process used, which one of the
processes below would be responsible?
a) SMAW process.
b) GTAW process.
c) GMAW process.
d) ST process.
e) ESW process. - Answer✔️✔️-b) GTAW process.
8. Which of the following operations is known to result in the emission of
ionizing radiation at levels dangerous to human health?
A) shield metal arc welding.
B) Plasma arc welding.
C) Operation of high voltage portable generator sets.
e) Electroslag and electrogas welding. - Answer✔️✔️-d) Radiographic
inspection.
9. The ultrasonic transducer is pressed against the plate of a welded joint.
The sound travels
longitudinally through the plate to the opposite side. The signal seen on the
UT screen that comes from this opposite side of the plate:
a) Is the initial pulse signal.
b) Is the back reflection signal.
c) Is the front reflection signal.
d) Must be equal in amplitude to any defect signal.
e) Cannot be used for establishing the thickness of the material under test. -
Answer✔️✔️-b) Is the back reflection signal.
11. Which of the following is a stainless steel electrode?
a) E4918-1
b) E4918-A1
c) E4818
d) E308-16
e) E4111 - Answer✔️✔️-d) E308-16
12. Reverse polarity refers to the use of a:
Page 4 of 44
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 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 these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller SophiaBennett. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
