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Engineering Materials

Engineering Materials
Taps dies and drills contain carbon

Above 2.2%
Below 1%
Above 1%
Below 0.5%

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Engineering Materials
Corrosion resistance of steel is increased by adding

Chromium and nickel
Tungsten and sulphur
Aluminium and zinc
Nickel and molybdenum

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Engineering Materials
Wrought iron

All of these
Is a ductile material
Can be easily forged or welded
Cannot stand sudden and excessive shocks

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Engineering Materials
Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant?

Bessemer process
LD process
Electric process
Open hearth process

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Engineering Materials
The hardness and tensile strength in austenitic stainless steel can be increased by

Hardening and cold working
Full annealing
Martempering
Normalizing

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Engineering Materials
Which of the following metal shrinks most from molten state to solid state?

Brass
Cast steel
Cast iron
Admiralty metal

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