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Engineering Materials

Engineering Materials
The metal suitable for bearings subjected to light loads, is

Monel metal
Phosphor bronze
Silicon bronze
White metal

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Engineering Materials
Maximum percentage of carbon in austenite is

0.0026
0.017
0.00025
0.008

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Engineering Materials
The hardness is the property of a material due to which it

Breaks with little permanent distortion
Can be drawn into wires
Can be rolled or hammered into thin sheets
Can cut another metal

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Engineering Materials
Bell metal contains

85 - 92% copper and rest tin with little lead and nickel
70% copper and 30% zinc
90% copper and 10% tin
70 - 75% copper and rest tin

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Engineering Materials
Induction hardening is basically a

Carburising process
Surface hardening process
Core hardening process
None of these

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

Free carbon
Flakes
Nodular aggregates of graphite
Cementite

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