CWB Level II Practice Questions and Answers (100% Pass)
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Course
CWB
Institution
CWB
CWB Level II Practice Questions and
Answers (100% Pass)
What is the term used to describe the following condition of lost corrosion
resistance?
"When certain stainless steels are heated between 500-850° C, carbides form
at the grain boundaries and cause a local depletion of chromium."
(A) Ox...
What is the Canadian Standard for safety in welding? - Answer✔️✔️-CSA
W117.2
What is the typical three-phase input voltage in most Canadian welding
shops? - Answer✔️✔️-600V
True or False: The cable from the workpiece back to the welding machine is
called the "ground lead". - Answer✔️✔️-False. The correct term is the "work
lead".
What is the type of radiation that can damage living cells? - Answer✔️✔️-
Ionizing
Name two examples of ionizing radiation. - Answer✔️✔️-X-rays and
Gamma rays
What is the minimum suggested shade for a welding helmet when using
5/32 SMAW electrode at 150 A? - Answer✔️✔️-Shade 10
Approx. how far could spatter travel when welding/cutting from 2.5m
high? - Answer✔️✔️-Possibly up to 6m
What is the toxic component contained in some copper alloys? -
Answer✔️✔️-Beryllium
Which welding process will likely have the highest fume generation rate?
What are the two general classes of picture drawings? - Answer✔️✔️-
Perspective and Isometric
What are the 5 basic joints? - Answer✔️✔️-1) Butt
2) Corner
3) T
4) Lap
5) Edge
What are the 5 basic weld types? - Answer✔️✔️-1) Groove
2) Fillet
3) Plug/Slot
4) Surfacing
5) Edge
Plasma cutting torch temp can reach temperatures of __________ ° Celsius.
- Answer✔️✔️-30,000
True or False: All plasma arc cutting equipment is operated using DCEN. -
Answer✔️✔️-True
True or False: Stainless steel can be readily cut with a normal oxy-fuel gas
process. - Answer✔️✔️-False
What are the two basic methods of plasma torch operation? - Answer✔️✔️-
Transferred and Non-Transferred arc
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