A steel bar of the initial cross-section area of 200 mm2 is extruded – McqOptions

MCQOPTIONS

1.	A steel bar of the initial cross-section area of 200 mm2 is extruded with extrusion ratio of 8. Find the final cross-sectional area of the bar?
A.	100 mm2
B.	25 mm2
C.	75 mm2
D.	1000 mm2
Answer» C. 75 mm2

Discussion

No Comment Found

Related MCQs

A steel bar of the initial diameter of 20 mm is extruded with extrusion ratio of 8. Find the final diameter of the bar?
A steel bar of the initial cross-section area of 200 mm2 is extruded with extrusion ratio of 8. Find the final cross-sectional area of the bar?
Which of the following type of die gives the best surface finish after processing?
If the extrusion ratio of the material used is increased by two times, the required extrusion pressure _____________
The hardness of the die material should always be _________ the workpiece used for processing.
The drawn thin wire is heat-treated to produce fine pearlite grain structure so that optimum strength and ductility can be obtained. This process of heat treatment is known as __________
The Mannesmann process is used to make __________
The Mannesmann process is related with ___________
The cracking occurring during the hydrostatic extrusion at low temperature is known as the ______
The maximum possible reduction in the cross-section area of the wire in a single pass of cable in case of ideal plastic material is equal to ________