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Engineering Materials

Engineering Materials
Weld decay is the phenomenon found with

Stainless steel
Nonferrous materials
Mild steel
Cast iron

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Engineering Materials
Cementite consist of

13% ferrite and 87% cementite
13% cementite and 87% ferrite
13% carbon and 87% ferrite
6.67% carbon and 93.33% iron

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Engineering Materials
Maximum percentage of carbon in ferrite is

0.0025
0.001
0.0006
0.00025

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Engineering Materials
Which is false statement about properties of aluminium?

Modulus of elasticity is fairly low
Creep strength limits its use to fairly low temperatures
Wear resistance is very good
Fatigue strength is not high

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Engineering Materials
Which of the following is used for bearing liner?

Bronze
Babbitt metal
Gun metal
Bell metal

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Engineering Materials
In grey cast iron, carbon is present in the form of

Cementite
Free carbon
Flakes
Spheroids

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MORE MCQ ON Engineering Materials

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