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

Chemical Engineering Basics 03/07/2020

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

Related Mcqs:

    Matte smelting is used in the extraction of_____________________?
    A. Lead B. Zinc C. Aluminium D. Copper...
    Which of the following is the most suitable abrasive for grinding high tensile strength materials ?
    A. Silicon carbide B. Corundum C. Aluminium oxide D. Boron carbide...
    Oxyacetylene reducing flame is used while carrying out welding on___________________?
    A. Alloy steel B. Grey cast iron C. Mild steel D. High carbon steel...
    The elastic strain in copper is due to the__________________?
    A. Motion of dislocations B. Stretching of atomic bonds C. Breakage of atomic bonds D. None of the above...
    Which of the following does not discharge the dust collected as a dry solid?
    A. Electrostatic precipitator B. Wet scrubber C. Bag filter D. Gravity settling chamber...

Leave a Reply

Your email address will not be published. Required fields are marked *