aws cwi exam questions

Q:-What is meant by the term duty cycle?

Posted on


A. How long a welder can weld for in a given period
B. The amount of time the electrodes are being used
C. The amount of time a welding machine can be weld
D. The amount of electricity being consumed

Advertisements

Q:-What test specimens are required for this qualification test?

Posted on


A. 2 reduced section tensiles, 2root bends, 2 face bends
B. 2 reduced section tensiles, 4 side bends
C. 2 reduced section tensiles, 2root bends, 2 face bends, 2 macro etch specimens
D. 2 reduced section tensiles, 2root bends, 2 face bends, 4 side bends
E. None of the above

Q:-When considering the advantages of site RT over UT which of the following applies?

Posted on


1. A permanent record produced, good for detecting defects which do not have significant depth in relation to axis of the X-ray beam and defect identification
2. A permanent record produced, good for detecting all surface and sub-surface defects and assessing the through thickness depths of defects
3. A permanent record produced, defect identification not so reliant on operator skill
4. No controlled areas required on site, a permanent record produced and good for assessing the extent of pipe wall thickness reductions due to internal corrosio