366. Which one of the following is a solid State joining process?

1. 1. gas tungsten arc welding

   
   
   

   2. resistance spot welding

   
   
   

   3. friction welding

   
   
   

   4. submerged arc welding

   
   
   

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1. View Hint View Answer Discuss in Forum

   Friction welding is a solid state welding.

   Correct Option: C

   Friction welding is a solid state welding.

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367. Match the following
     Work material
     P. Aluminium
     Q. Die steel
     R. Copper Wire
     S. Titanium sheet
     Type of joining
     1. Submerged Arc Welding
     2. Soldering
     3. Thermit Welding
     4. Atomic Hydrogen Welding
     5. Gas Tungsten Arc Welding
     6. Laser Beam Welding

1. 1. P-2, Q-5, R-1, S-3

   
   
   

   2. P-6, Q-3, R-4, S-4

   
   
   

   3. P-4, Q-1, R-6, S-2

   
   
   

   4. P-5, Q-4, R-2, S-6

   
   
   

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1. View Hint View Answer Discuss in Forum

   P-5, Q-4, R-2, S-6

   Correct Option: D

   P-5, Q-4, R-2, S-6

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368. Match the following
     List-I
     A. Welding of aluminium alloy
     B. Ship building
     C. Joining of HSS drill bit to shank
     D. Deep penetration precision welds
     List-II
     1. Submerged arc welding
     2. Electron beam welding
     3. TIG welding
     4. Friction welding
     5. Gas welding

1. 1. A-3, B-1, C-4, D-2

   
   
   

   2. A-1, B-3, C-4, D-2

   
   
   

   3. A-3, B-5, C-4, D-2

   
   
   

   4. A-3, B-1, C-4, D-5

   
   
   

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1. View Hint View Answer Discuss in Forum

   A-3, B-1, C-4, D-2

   Correct Option: A

   A-3, B-1, C-4, D-2

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369. In an explosive welding process, the (maximum/ minimum) velocity of impact is fixed by the velocity of sound in the (flyer/ target) plate material.
     

1. 1. minimum & Flyer

   
   
   

   2. minimum & target

   
   
   

   3. Maximum & Flyer

   
   
   

   4. Maximum & target

   
   
   

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1. View Hint View Answer Discuss in Forum

   Maximum & Flyer

   Correct Option: C

   Maximum & Flyer

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370. Welding process
     A. Thermit welding
     B. Seam welding
     C. MIG welding
     D. Friction welding
     Heat source
     1. Chemical reaction
     2. Exothermic Chemical reaction
     3. Electric spark
     4. Ohmic resistance
     5. Mechanical work
     6. Electric arc

1. 1. A-2, B-4, C-6, D-5

   
   
   

   2. A-2, B-4, C-1, D-5

   
   
   

   3. A-2, B-4, C-6, D-3

   
   
   

   4. A-2, B-4, C-6, D-1

   
   
   

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1. View Hint View Answer Discuss in Forum

   A-2, B-4, C-6, D-5

   Correct Option: A

   A-2, B-4, C-6, D-5

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