Mechanical Engineering - Engineering Materials

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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