cwi exam questions and answers

Q:- High intensity energy beams are associated with which of the following welding process

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1. Laser
2. Electron beam
3. Plasma
4. All of the above

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

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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:- A brittle failure normally has the appearance of fracture surface with :

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  1. Rough and dull grey appearance
  2. Smooth fracture with beach mark
  3. A cup and cone shape
  4. None of the above is correc

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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.