Exam (elaborations)
CWB Level 2 Closed Book QUESTIONS AND ANSWERS RATED A+ 2024/2025
- Course
- Institution
CWB Level 2 Closed Book QUESTIONS AND ANSWERS RATED A+ 2024/2025
[Show more]
Content preview
CWB Level 2 Closed BookTo measure the strength of a welded joint what mechanical check would you prescribe?
A) A transverse weld anxiety test.
B) A charpy test.
C) A CTOD check.
D) An all weld steel tension test.
E) A facet bend take a look at. - ANSa) A transverse weld tension check.
Select the slicing process that would offer the narrowest warmness affected area whilst reducing
12.Five mm (zero.5 in) thick carbon metal.
A) Oxy-acetylene reducing.
B) Air-carbon arc slicing.
C) Oxy-propane slicing.
D) Plasma arc cutting.
E) Laser beam slicing - ANSe) Laser beam cutting
Which of the following refers to a welder check wherein a pipe meeting is located vertically and
the joint welded inside the horizontal role with out rotating the assembly?
A) 1G
b) 2G
c) 3G
d) 5G
e) 6G - ANSb) 2G
Which of the following imperfections is typically considered as unacceptable regardless of size
or region?
A) Porosity.
B) Crack.
C) Inadequate penetration.
D) Lamination.
E) Burn-thru. - ANSb) Crack.
Select the ideal penetrameter thickness for two% sensitivity whilst radiographing a weldment
1.25 inches in thickness.
A) zero.012 in.
B) zero.Half in.
, C) 0.0.5 in.
D) 0.030 in. - ANSc) 0.1/2 in.
Which of the subsequent statements regarding porosity is genuine?
A) Porosity cannot be trapped within a weld.
B) Porosity movements up via later passes and will show most effective in a final pass.
C) Porosity is confined to the centre line of a weld.
D) Porosity can end result from faulty welder approach.
E) Porosity may be dissipated via the correct warmness treatment. - ANSd) Porosity can result
from faulty welder approach.
An abnormal, dense white spot is visible at the radiograph of a weld. Assuming it changed into
due to the welding manner used, which one of the procedures beneath could be accountable?
A) SMAW technique.
B) GTAW procedure.
C) GMAW technique.
D) ST process.
E) ESW technique. - ANSb) GTAW process.
Which of the following operations is known to result in the emission of ionizing radiation at
stages dangerous to human health?
A) Shielded metal arc welding.
B) Plasma arc welding.
C) Operation of excessive voltage portable generator sets.
D) Radiographic inspection.
E) Electroslag and electrogas welding. - ANSd) Radiographic inspection.
The ultrasonic transducer is pressed against the plate of a welded joint. The sound travels
longitudinally via the plate to the alternative facet. The sign visible at the UT display that comes
from this contrary aspect of the plate:
a) Is the initial pulse signal.
B) Is the again reflection sign.
C) Is the the front mirrored image signal.
D) Must be equal in amplitude to any disorder sign.
E) Cannot be used for establishing the thickness of the cloth beneath take a look at. - ANSb) Is
the again reflection sign.
Which of the following is a chrome steel electrode?
A) E4918-1
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 LegitPage. 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.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now