Mechanical Metallurgy Mock Test 10

1. In the tube drawing and wire drawing, the nature of force applied on the material is ___________

2. The total capacity of a hammer in forging is not dependent of _____________

3. The velocity of the sheet in the rolling machine keeps on increasing from entering to exit from the rolls.

4. 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?

5. In which of the following process, the thickness of the metal undergoing deforming remains same?

6. The Mannesmann process is related with ___________

7. For an extruded material like a rod, the outer surface of the product will be _______ while the inner surface will be __________ and surfaces appearance is also _______

8. The tank head is manufactured by which of the following sheet metal forming process?

9. For a roll of radius R, the entering and exiting material thickness is h1 and h2 respectively. What will be the total arc of contact between roll and material?
Δh=h1-h2

10. Decreasing the die angle __________ the homogeneity of deformation and __________ the extrusion pressure.