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Engineering Materials

Engineering Materials
Taps dies and drills contain carbon

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

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Engineering Materials
Connecting rod is, usually, made from

High carbon steel
Low carbon steel
Medium carbon steel
High speed steel

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Engineering Materials
The main alloying elements high speed steel in order of increasing proportion are

Chromium, titanium, vanadium
Vanadium, chromium, tungsten
Tungsten, titanium, vanadium
Tungsten, chromium, titanium

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Engineering Materials
Which of the following display properties similar to that of steel?

Blackheart cast iron
Both (A) and (B)
None of these
Whiteheart cast iron

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Engineering Materials
The presence of hydrogen in steel causes

Reduced neutron absorption cross-section
Improved Weldability
Embrittlement
Corrosion resistance

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Engineering Materials
The steel widely used for motor car crankshafts is

Silicon steel
Nickel steel
Nickel-chrome steel
Chrome steel

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