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Engineering Materials

Engineering Materials
The crystal structure of brass is

Orthorhombic crystalline structure
F.C.C.
C.C.
H.C.P.

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Engineering Materials
When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite.

Equal to
None of these
More than
Less than

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

LD process
Bessemer process
Open hearth process
Electric process

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Engineering Materials
In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled

Slowly in the furnace
In still air
Any one of these
Suddenly in a suitable cooling medium

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Engineering Materials
Connecting rod is, usually, made from

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

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Engineering Materials
Body centered cubic space lattice is found in

None of these
Zinc, magnesium, cobalt, cadmium, antimony and bismuth
Alpha iron, tungsten, chromium and molybdenum
Gamma iron, aluminium, copper, lead, silver and nickel

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