Mechanical Engineering - Engineering Materials
Exercise :: Engineering Materials - Section 4
| 1. |
The bond formed by transferring electrons from one atom to another is called |
| A. |
ionic bond | | B. |
covalent bond | | C. |
metallic bond | | D. |
none of these |
Answer: Option A
Explanation:
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| 2. |
Which of the following property is desirable in parts subjected to shock and impact loads? |
| A. |
Strength | | B. |
Stiffness | | C. |
Brittleness | | D. |
Toughness |
Answer: Option D
Explanation:
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| 3. |
German silver contains |
| A. |
1% silver | | B. |
2% silver | | C. |
5% silver | | D. |
no silver |
Answer: Option D
Explanation:
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| 4. |
Connecting rod is, usually, made from |
| A. |
low carbon steel | | B. |
high carbon steel | | C. |
medium carbon steel | | D. |
high speed steel |
Answer: Option C
Explanation:
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| 5. |
Which of the following inpurity in cast iron makes it hard and brittle? |
| A. |
Silicon | | B. |
Sulphur | | C. |
Manganese | | D. |
Phosphorus |
Answer: Option B
Explanation:
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