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Engineering Materials

Engineering Materials
Depth of hardness of steel is increased by addition of

Tungsten
Chromium
Nickel
Vanadium

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Engineering Materials
Hardness of lower bainite (tempered martensite) is about

RC 65
RC 80
RC 48
RC 57

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Engineering Materials
The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will

Remain same
First increase and then decrease
Decrease
Increase

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Engineering Materials
Corrosion resistance of steel is increased by addition of

Sulphur, phosphorus, lead
Chromium and nickel
Vanadium, aluminium
Tungsten, molybdenum, vanadium, chromium

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Engineering Materials
Basic solution is one which has pH value

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

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Engineering Materials
Neutral solution is one which has pH value

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

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MORE MCQ ON Engineering Materials

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