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The atomic packing factor for a material with body centered cubic structure is______

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Which one of the following methods is NOT used for producing metal powders?

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For a metal alloy, which one of the following descriptions relates to the stress-relief annealing process?

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Match the heat treatment processes (Group A) and their associated effects on properties (Group B)

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The process of reheating the martensitic steel to reduce its brittleness without any significant loss in its hardness is

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During normalizing process of steel, the specimen is heated

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The crystal structure of austenite is

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Crystallographic structure of austenite is

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Which one among the following statement are TRUE ?

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In powder metallurgy, sintering of a component

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which of the following process is used to manufacture products which controlled porosity

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The capacity of a material to absorb energy when deformed elastically , and release it back when unload is termed as

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A typical Fe-3C alloy containing greater than 0.8% C is known as

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Which one of the following cooling methods is best suited for converting Austonite steel into very fine Pearlite steel?

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If a particular Fe-C alloy contains less than 0.83% carbon, it is called

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The main purpose of spheroidising treatment is to improve

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life of ball bearings in million revolutions

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The ratio of the life of bearing P to the life of bearing Q is

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The life of the bearing, in hours, when the load is doubled to 2F is

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Its life in hours, if the load is increased to 20 kN, keeping all other conditions same, is

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