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Engineering :: Production Engineering

431.  A non-consumable electrode is used in
A. Gas welding B. DC arc welding
C. AC arc welding D. Argon arc welding
E. None of the above    
432.  During MIG welding the metal is transferred in the form of
A. Continuous flow of molten metal B. A fine spray of metal
C. Electron beam D. Solution
E. Metal is not transferred during MIG welding    
433.  Which of the following is often used as flux in brazing process?
A. Turpentine B. Fevicol
C. Ammonia chloride D. Iron dust
E. Borax    
434.  Post cleaning is done in case of brazed joints to
A. Prevent corrosion B. Remove scale
C. Strengthen the joint D. Increase the strength of the joint
E. All of the above    
435.  Electronic components are often joined by
A. Adhesive B. Soldering
C. Brazing D. Sport welding
E. Seam welding    
436.  A collimated light beam is used for producing heat in
A. TIG welding B. MIG welding
C. Percussion welding D. Laser welding
E. Plasma welding    
437.  For ultrasonic welding the thickness of metal is usually restricted to
A. 3 mm B. 6 mm
C. 10 mm D. 15 mm
E. 25 mm    
438.  Which of the following process is preferred for cutting and welding of nonferrous metals?
A. Submerged arc welding B. Inert gas arc welding
C. MIG welding D. DC arc welding
E. None of the above    
439.  Wipping is the process of
A. Cleaning the welded surface after the welding operation is over B. Applying flux during welding process
C. Connecting load pipes by soldering alloy D. Low temperature welding
E. None of the above    
440.  Which of the following is relatively a low temperature brazing process?
A. Copper brazing B. Brass brazing
C. Nickel chrome brazing D. Silver brazing
E. Silver manganese brazing    

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