Find the blanking force required to punch 10 mm diameter holes in a st – McqOptions

MCQOPTIONS

1.	Find the blanking force required to punch 10 mm diameter holes in a steel sheet of 3 mm thickness. Given shear strength of material = 400 MPa, penetration = 40% and shear provided on the punch = 2 mm.
A.	22.6 kN
B.	37.7 kN
C.	61.6 kN
D.	94.3 kN
Answer» B. 37.7 kN

Discussion

No Comment Found

Related MCQs

The work involved with the internal shearing process due to non-uniform deformation is?
In metal forming process the hardness of the material?
In which of the following process plastic deformation takes place?
Which of the following defect is eliminated by hot working process?
During hot working, the grain growth can take place in which part of the material?
If Tm is the melting temperature, then in hot working the value for that material is?
In drawing operation the metal flows due to
Match the correct combination for following metal-working processes.ProcessesAssociated state of stressP. Blanking 1. TensionQ. Stretch Forming 2. CompressionR. Coining 3. ShearS. Deep Drawing4. Tension and Compression 5. Tension and Shear
Extrusion is a type of ______ operation.
A 1.5 mm thick sheet is subjected to unequal biaxial stretching and the true strains in the directions of stretching are 0.05 and 0.09 the final thickness of the sheet in mm is