Match the List-I(Filler rod materials) with List-ll (Joining processes...
In this question, we are given a list of filler rod materials (List-I) and a list of joining processes (List-II) and we need to match them correctly. Let's analyze each material and process to find the correct match:
List-I:
A. Mild steel: Mild steel is a common type of steel with low carbon content.
B. Bronze: Bronze is an alloy made primarily of copper and tin.
C. Brass: Brass is an alloy made primarily of copper and zinc.
D. Lead and tin alloy: This alloy is commonly known as solder and is used for joining metals.
List-II:
1. MIG welding: MIG (Metal Inert Gas) welding is a process that uses a consumable electrode and an inert gas to protect the weld pool from atmospheric contamination.
2. Soldering: Soldering is a process that uses a filler material (solder) with a low melting point to join two or more metals together.
3. Brazing: Brazing is a process that uses a filler material (braze) with a higher melting point than solder to join two or more metals together.
4. Thermit welding: Thermit welding is a process that uses a chemical reaction to produce the heat required for welding. It is commonly used for joining railway tracks.
5. Braze welding: Braze welding is a process that combines elements of both brazing and welding, using a filler material with a lower melting point than in brazing.
Now, let's match the filler rod materials with the joining processes:
- Mild steel: MIG welding is commonly used for welding mild steel, so option 1 is correct.
- Bronze: Bronze is commonly brazed, so option 3 is correct.
- Brass: Brass can be soldered or brazed, so option 5 is correct.
- Lead and tin alloy: As mentioned earlier, this alloy is used for soldering, so option 2 is correct.
Therefore, the correct match is:
A - 1 (MIG welding)
B - 5 (Braze welding)
C - 3 (Brazing)
D - 2 (Soldering)
Hence, the correct answer is option (a) 1 5 3 2.