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Which of the following pairs are correctly matched? 
(Designation of Steel/Cast Iron)     (Description)
1. Fe E 250                                  : Minimum tensile strength of 250 N/mm2
2. 40 C 8                                      : Percentage of Manganese is 0.7% - 0.9%
3. FG 200                                    : Grey cast iron with ultimate tensile strength of200 N/mm2
Select the correct answer using the code given below:
  • a)
    1 and 2
  • b)
    2 and 3
  • c)
    1 and 3
  • d)
    1, 2 and 3
Correct answer is option 'C'. Can you explain this answer?
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Which of the following pairs are correctly matched?(Designation of Ste...
Ans. (c)
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Which of the following pairs are correctly matched?(Designation of Ste...
Explanation:

The question is asking us to match the given designations of steel and cast iron with their respective descriptions. Let's go through each pair one by one:

1. Fe E 250:
According to the description, the minimum tensile strength of this steel is 250 N/mm2.

2. 40 C 8:
According to the description, the percentage of Manganese in this steel is 0.7% - 0.9%.

3. FG 200:
According to the description, this is a grey cast iron with an ultimate tensile strength of 200 N/mm2.

Now let's match the pairs:

1. Fe E 250 - Minimum tensile strength of 250 N/mm2.
This pair is correctly matched as the description matches the given designation.

2. 40 C 8 - Percentage of Manganese is 0.7% - 0.9%.
This pair is not correctly matched as the given designation does not provide any information about the percentage of Manganese.

3. FG 200 - Grey cast iron with an ultimate tensile strength of 200 N/mm2.
This pair is correctly matched as the description matches the given designation.

From the above analysis, we can conclude that only the pairs 1 and 3 are correctly matched.

Therefore, the correct answer is option C) 1 and 3.
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Which of the following pairs are correctly matched?(Designation of Steel/Cast Iron) (Description)1. Fe E 250 : Minimum tensile strength of 250 N/mm22. 40 C 8 : Percentage of Manganese is 0.7% - 0.9%3. FG 200 : Grey cast iron with ultimate tensile strength of200 N/mm2Select the correct answer using the code given below:a)1 and 2b)2 and 3c)1 and 3d)1, 2 and 3Correct answer is option 'C'. Can you explain this answer?
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Which of the following pairs are correctly matched?(Designation of Steel/Cast Iron) (Description)1. Fe E 250 : Minimum tensile strength of 250 N/mm22. 40 C 8 : Percentage of Manganese is 0.7% - 0.9%3. FG 200 : Grey cast iron with ultimate tensile strength of200 N/mm2Select the correct answer using the code given below:a)1 and 2b)2 and 3c)1 and 3d)1, 2 and 3Correct answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Which of the following pairs are correctly matched?(Designation of Steel/Cast Iron) (Description)1. Fe E 250 : Minimum tensile strength of 250 N/mm22. 40 C 8 : Percentage of Manganese is 0.7% - 0.9%3. FG 200 : Grey cast iron with ultimate tensile strength of200 N/mm2Select the correct answer using the code given below:a)1 and 2b)2 and 3c)1 and 3d)1, 2 and 3Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following pairs are correctly matched?(Designation of Steel/Cast Iron) (Description)1. Fe E 250 : Minimum tensile strength of 250 N/mm22. 40 C 8 : Percentage of Manganese is 0.7% - 0.9%3. FG 200 : Grey cast iron with ultimate tensile strength of200 N/mm2Select the correct answer using the code given below:a)1 and 2b)2 and 3c)1 and 3d)1, 2 and 3Correct answer is option 'C'. Can you explain this answer?.
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