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Engineering Materials

Engineering Materials
The percentage of carbon in low carbon steel is

0.05%
0.15%
0.5%
0.3%

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Engineering Materials
The ability of a material to resist softening at high temperature is known as

Hot hardness
Creep
Fatigue
Hot tempering

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Engineering Materials
Addition of silicon to aluminium results in

One of the best known age and precipitation hardening systems
Improvement of corrosion resistance
Improving machinability
Improvement of casting characteristics

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Engineering Materials
Monel metal contains

Malleable iron and zinc
Alloy of tin, lead and cadmium
88% copper and 10% tin and rest zinc
63 to 67% nickel and 30% copper

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Engineering Materials
Cementite consist of

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

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Engineering Materials
The surface hardness of the following order is achieved by nitriding operation

1000 to 1100 VPN
250 VPN
1500 VPN
600 VPN

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MORE MCQ ON Engineering Materials

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