Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The algebraic difference between the maximum limit and the basic size is called Mean deviation Actual deviation Upper deviation Lower deviation Mean deviation Actual deviation Upper deviation Lower deviation ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following spring is used in mechanical wrist watch? Helical compression spring Spiral spring Belleville spring Torsion spring Helical compression spring Spiral spring Belleville spring Torsion spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Retain deformation produced under load permanently Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Retain deformation produced under load permanently Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force ANSWER DOWNLOAD EXAMIANS APP
Machine Design The plasticity is the property of a material which enables it to Draw into wires by the application of a tensile force Regain its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Resist fracture due to high impact loads Draw into wires by the application of a tensile force Regain its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Resist fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP
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