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Consider the following work materials:  
1. Titanium
2. Mild steel
3. Stainless steel
4. Grey cast iron.
The correct sequence of these materials in terms of increasing order of difficulty inmachining is
  • a)
    4,2,3,1
  • b)
    4,2, 1,3
  • c)
    2,4,3,1
  • d)
    2, 4, 1, 3.
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Consider the following work materials:1. Titanium2. Mild steel3. Stain...
Ans. (a) Titanium high cost and need 10 times much energy than steel to produce.
Light weight, strong, corrosion resistant, properties between steel and aluminium.
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Consider the following work materials:1. Titanium2. Mild steel3. Stain...
Difficulty in Machining Work Materials

The difficulty in machining work materials depends on various factors such as the material's hardness, toughness, strength, and chemical composition. The given materials are titanium, mild steel, stainless steel, and grey cast iron.

Increasing Order of Difficulty in Machining

The correct order of increasing difficulty in machining the given work materials is as follows:

1. Grey Cast Iron - This material is relatively easy to machine due to its low hardness and good machinability. It has a high carbon content, which makes it brittle and prone to cracking, but it can be easily machined using conventional tools.

2. Mild Steel - Mild steel is another material that is easy to machine due to its low hardness and good machinability. It is a low carbon steel that is commonly used in various applications due to its strength and toughness.

3. Stainless Steel - Stainless steel is a challenging material to machine due to its high hardness and toughness. It has a high resistance to corrosion, which makes it suitable for various applications, but it requires special tools and techniques to machine.

4. Titanium - Titanium is the most difficult material to machine due to its high strength, hardness, and chemical reactivity. It is a lightweight and strong material that is used in various aerospace and medical applications, but it requires specialized equipment and expertise to machine.

Therefore, the correct sequence of increasing difficulty in machining the given work materials is 4, 2, 3, 1, which corresponds to titanium, mild steel, stainless steel, and grey cast iron, respectively.

Conclusion

In conclusion, the difficulty in machining work materials depends on various factors such as their hardness, toughness, strength, and chemical composition. The correct order of increasing difficulty in machining the given work materials is 4, 2, 3, 1, which corresponds to titanium, mild steel, stainless steel, and grey cast iron, respectively.
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Consider the following work materials:1. Titanium2. Mild steel3. Stain...
Rusting property
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Consider the following work materials:1. Titanium2. Mild steel3. Stainless steel4. Grey cast iron.The correct sequence of these materials in terms of increasing order of difficulty inmachining isa)4,2,3,1b)4,2, 1,3c)2,4,3,1d)2, 4, 1, 3.Correct answer is option 'A'. Can you explain this answer?
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