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Engineering Materials

Engineering Materials
Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio

30 : 70
40 : 60
2.9375
2.1180555555556

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Engineering Materials
The percentage carbon content in wrought iron is about

2
0.4
0.1
0.02

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Engineering Materials
In mottled cast iron, carbon is available in

Combined form
Partly in free and partly in combined state
Nodular form
Free form

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

Gun metal
Bronze
Bell metal
Babbitt metal

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Engineering Materials
Balls for ball bearings are made of

Carbon-chrome steel
Mild steel
Stainless steel
Cast iron

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Engineering Materials
Gamma-iron occurs between the temperature ranges of

1400°C to 1530°C
900°C to 1400°C
600°C to 900°C
400°C to 600°C

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