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Engineering Materials

Engineering Materials
Super conduction by metals is observed in the temperature range of

Around 0°C
Below 10°K
Around 100°C
Above 100°K

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Engineering Materials
Neutral solution is one which has pH value

Equal to 7
Greater than 7
Less than 7
pH value has nothing to do with neutral solution

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Engineering Materials
Pig iron is the name given to

Iron containing huge quantities of carbon
Iron in molten form in the ladles
Raw material for blast furnace
Product of blast furnace made by reduction of iron ore

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Engineering Materials
When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of

Ferrite and pearlite
Mainly ferrite
Mainly pearlite
Pearlite and cementite

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Engineering Materials
Cemented carbide tools are not found to be suitable for cutting

Aluminium
Brass
Steel
Cast iron

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Engineering Materials
The purpose of heat treatment is to

Relieve the stresses set up in the material after hot or cold working
Change grain size
Modify the structure of the material
Any one of these

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MORE MCQ ON Engineering Materials

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