CWB Level 2 Closed Book Questions and Answers 100% Correct
29 vues 1 fois vendu
Cours
CWB Level 2 Closed Book
Établissement
CWB Level 2 Closed Book
CWB Level 2 Closed Book Questions and Answers 100% Correct
CWB Level 2 Closed Book Questions and Answers 100% Correct
CWB Level 2 Closed Book Questions and Answers 100% Correct
To measure the strength of a welded joint what mechanical test would you prescribe?
a) A transverse weld tensi...
cwb level 2 closed book questions and answers 2023
to measure the strength of a welded joint what mec
select the cutting process that would provide th
École, étude et sujet
CWB Level 2 Closed Book
CWB Level 2 Closed Book
Vendeur
S'abonner
NursingTutor1
Avis reçus
Aperçu du contenu
CWB Level 2 Closed Book Questions and Answers 100% Correct
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. - ANSWER-a) A transverse weld tension test.
Select the cutting process that would provide the narrowest heat affected zone when cutting 12.5 mm (0.5 in) thick carbon steel.
a) Oxy-acetylene cutting. b) Air-carbon arc cutting. c) Oxy-propane cutting. d) Plasma arc cutting.
e) Laser beam cutting - ANSWER-e) Laser beam cutting
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?
a) 1G b) 2G c) 3G d) 5G e) 6G - ANSWER-b) 2G
Which of the following imperfections is normally considered as unacceptable regardless of size or location?
a) Porosity. b) Crack.
c) Inadequate penetration.
d) Lamination.
e) Burn-through. - ANSWER-b) Crack.
Select the correct penetrameter thickness for 2% sensitivity when radiographing a weldment 1.25 inches in thickness. a) 0.012 in. b) 0.015 in. c) 0.025 in. d) 0.030 in. - ANSWER-c) 0.025 in.
Which of the following statements concerning porosity is true?
a) Porosity cannot be trapped within a weld.
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.
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.
Which of the following operations is known to result in the emission of ionizing radiation at levels dangerous to human health?
a) Shielded metal arc welding. b) Plasma arc welding.
c) Operation of high voltage portable generator sets.
d) Radiographic inspection.
e) Electroslag and electrogas welding. - ANSWER-d) Radiographic inspection.
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.
Which of the following is a stainless steel electrode?
Les avantages d'acheter des résumés chez Stuvia:
Qualité garantie par les avis des clients
Les clients de Stuvia ont évalués plus de 700 000 résumés. C'est comme ça que vous savez que vous achetez les meilleurs documents.
L’achat facile et rapide
Vous pouvez payer rapidement avec iDeal, carte de crédit ou Stuvia-crédit pour les résumés. Il n'y a pas d'adhésion nécessaire.
Focus sur l’essentiel
Vos camarades écrivent eux-mêmes les notes d’étude, c’est pourquoi les documents sont toujours fiables et à jour. Cela garantit que vous arrivez rapidement au coeur du matériel.
Foire aux questions
Qu'est-ce que j'obtiens en achetant ce document ?
Vous obtenez un PDF, disponible immédiatement après votre achat. Le document acheté est accessible à tout moment, n'importe où et indéfiniment via votre profil.
Garantie de remboursement : comment ça marche ?
Notre garantie de satisfaction garantit que vous trouverez toujours un document d'étude qui vous convient. Vous remplissez un formulaire et notre équipe du service client s'occupe du reste.
Auprès de qui est-ce que j'achète ce résumé ?
Stuvia est une place de marché. Alors, vous n'achetez donc pas ce document chez nous, mais auprès du vendeur NursingTutor1. Stuvia facilite les paiements au vendeur.
Est-ce que j'aurai un abonnement?
Non, vous n'achetez ce résumé que pour €10,75. Vous n'êtes lié à rien après votre achat.
