Cold working is the plastic deformation of metals below the recrystallization temperature. In most cases, such cold forming is done at room temperature. The major cold-working operations can be classified basically as squeezing, bending, shearing and drawing.
19) during cold working process
Answer is:
all of the above
Explanation:
Related Workshop Technology MCQ with Answers
Answer is:
is used for reducing the diameters of round bars and tubes by rotating dies which open and close rapidly on the work
Explanation:
Rotary swaging Is used for reducing the diameters of round bars and a tube by rotating dies which open and close rapidly on the work.
Answer is:
consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired from of the finished parts
Explanation:
Extrusion is a process used to create objects of a fixed cross-sectional profile. A material is pushed through a die of the desired cross-section.
Extrusion is Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part.
Answer is:
cold peening
Explanation:
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as Cold peening.
Answer is:
cold heading
Explanation:
The process extensively used for making bolts and nuts is cold heading.