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Engineering Materials

Engineering Materials
The steel widely used for motor car crankshafts is

Nickel steel
Silicon steel
Nickel-chrome steel
Chrome steel

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Engineering Materials
The hardness of steel primarily depends on

Heat treatment employed
Percentage of carbon
Percentage of alloying elements
Shape of carbides and their distribution in iron

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Engineering Materials
The cupola is used to manufacture

Wrought iron
Cast iron
Pig iron
Steel

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Engineering Materials
When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of

Ferrite and pearlite
Mainly ferrite
Mainly pearlite
Pearlite and cementite

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Engineering Materials
Addition of silicon to aluminium results in

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

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

Phosphor bronze
Silicon bronze
White metal
Monel metal

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