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Materials and Construction

Materials and Construction
Babbit metal used for bearings is a____base alloy.

Lead
Aluminium
Copper
Tin

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Materials and Construction
Which of the following has the highest density and the lowest melting point?

Titanium
Aluminium
Lead
Stainless steel

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Materials and Construction
Acid proof stoneware

Has very low strength
Is broken by small temperature changes
Cannot be heated
All of these

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Materials and Construction
The carbonating tower used in Solvay process of soda ash manufacture is made of

Cast iron
Stainless steel
Lead lined steel
Karbate

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Materials and Construction
A material is able to retain the deformation permanently by virtue of its

Ductility
Malleability
Elasticity
Plasticity

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Materials and Construction
__________ is used for examining the macro-structure of a material.

Optical microscope
Metallurgical microscope
Visual inspection by naked eye
X-rays

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