How long does it usually take to prepare for Certified Welding Inspector exam?

Q:- The exposed surfaces of each fillet-weld-break specimen shall show:

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1. No Slag inclusions greater than 1/4 inch
2. At least 3/4 inches sound metal between adjacent inclusions
3. Complete penetration and fusion
4. The tensile strength of the specimen
5. None of the above


Q:-During welder qualification, when destructively testing pipe with a diameter less than or equal to 33.4 mm:

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1. Radiography must be used

2. The entire pipe must be used for bend testing

3. One full-section tensile specimen may be substituted for the root-bend and nick-break 


4. Pipe of this diameter may not be destructively tested e. none of the above