Chemical Engineering Basics
In extrusion of metals, which of the following statement is true ?

Redundant work is a function of the die angle
Relative motion between the billet surface and the container wall is always present
Speed of the extruded material is same as that of ram speed
Hollow ram is used for indirect extrusion

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Chemical Engineering Basics
Salvage value is the most flexible criteria for analysing a financial investment. 'Salvaging' means

Disposing off machine/property, which is no longer useful in the present scenerio
Disposing off a machine/property on as is where is basis
Writing off the obsolete machine/ property
Mortgaging the obsolete machine/property

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