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Engineering Materials

Engineering Materials
Which of the following is used for bearing liner?

Bronze
Bell metal
Gun metal
Babbitt metal

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Engineering Materials
Which of the following constituents of steels is softest and least strong?

Austenite
Ferrite
Cementite
Pearlite

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Engineering Materials
Eutectoid steel contains following percentage of carbon

0.0063
0.0002
0.003
0.008

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

Admiralty metal
Cast steel
Cast iron
Brass

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Engineering Materials
A material is said to be allotropic, if it has

Different crystal structures at different temperatures
Fixed structure at all temperatures
Any one of the above
Atoms distributed in random pattern

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Engineering Materials
Body centered cubic space lattice is found in

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

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