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Forming Practice Test: Types of Die & Metal Forming Processes
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Types of Die & Metal Forming Processes topics include: Sheet metal die types, forging, plastic deformation and yield criteria, tensile and shear yield stress relation, electromagnetic forming, metal lubrication, hot and cold forming advantages and disadvantages. Here are some types of dies: Compound die: A stamping die that can perform multiple operations in one stroke, such as punching or cutting. Compound dies are effective for high-volume parts. Progressive die: Also known as follow-on dies, progressive dies perform multiple operations on a single blank. The modifications occur at... Show more
Forming Practice Test: Types of Die & Metal Forming Processes
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25 Questions

1. The magnetic field interacts with metal to generate heat in the metal which causes forming process.
2. The necking phenomenon of material can be observed in tensile test as well as in compression test.
3. The fluids reveal its flow behaviour when it is subjected to normal compressive stresses.
4. In general, the casted metal part is much stronger and tougher than that produced by the forging operation.
5. The cold working of material facilitates its cutting operation due to a decrease in its ductility.
6. The raw material for the rolling process is the output of the sheet metal forming process.
7. The behaviour of the material is generally determined by its mechanical properties.
8. Boundary layers formed by chemical adsorption using additives are also called as friction modifiers.
9. Which of the following methods of forming is not the part of electromagnetic forming?
10. For the plastic deformation, it is not necessary to have higher applied stress than the yield strength of the material.
11. In the computation of engineering stress, the actual or instantaneous cross-sectional area is used.
12. The surface finish obtained by cold working is better than that achieved by the hot working of material.
13. In cold working, larger deformation can be obtained more rapidly than that obtained by the hot working.
14. The flow of material in die cavity solely depends on the flow-ability of material.
15. The efficiency of electromagnetic forming mainly depends on the resistivity of material being formed.
16. Strip drawing test is a method which is mainly used for evaluating the characteristics of lubricants.
17. The process of forming new grains in the material is known as re-crystallization.
18. Isothermal forging is also known as cold forging operation.
19. The process of electromagnetic forming does not require any kind of lubrication.
20. In hot working of material, the continuous reformation of grains can be possible in material.
21. The metal forging operation can be performed manually or by automation.
22. In crystalline materials, the plastic deformation occurs when the group of atoms or molecules slides past each other.
23. Metal forming operations can only be performed when the material undergoes plastic deformation.
24. Tensile strength of a material is the ability of a material to resist the lateral load without failure.
25. Necking is a localized elongation through which the load carrying capacity of material increases beyond its tensile strength.