5 sem press

Unit of young's modulus is ______

• undefined
• mm
• N
• Text for option 5 (optional)

Volume and thickness in drawing ______

• Remain constant
• undefined
• Decreases
• Increases

Formula of buckling force _____________

• undefined
• [π² × E × I]/Lp²
• πD^4 / 64
• [π² × E × I]/Lp

_____ is a process of cold forming involving severe metal flow.

• undefined
• Embossing
• Coining
• Drawing

In the equation, Fb=∏^2 x E x I/Lp^2 the term Lp refer to _______

• Length of the punch
• sheet metal width
• Buckling force
• undefined

Modulus of Elasticity for steel varies from _____ GN/m2

• 120 to 180
• undefined
• 210 to 230
• 200 to 220

Unit of buckling force is ______

• mm^2
• N
• mm
• undefined

Formula of moment of inertia of a circular section _______

• undefined
• a^2 /12
• a^4 /12
• πD^4 / 64

Buckling of punches are subjected to______ stresses

• low-density
• Compression
• undefined
• tensile

Formula of moment of inertia of a square cross section _______

• undefined
• a^2 /12
• a^4 /12
• πD^4 / 64