How to pass the AWS CWI test?

Q:-In accordance with BS 2901 which of the following is classified as triple De-oxidized filler wire:

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(a) A !7 wire.  
(b) A 18 wire.  
(c) A 15 wire.  
(d) All of the above.

Q:- One the advantages of ultrasonic inspection in relation to radiographic testing to

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  • Access is generally only required from one side (surface)of the component being tested
  • The designated work area must be closed off by barriers, therefore safety is increased
  • This materials can be easily examined
  • A permanent image of the defect can be obtained