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) π/4 × d² × tτu t.τu πd.t.τu π/4 × d².τu π/4 × d² × tτu t.τu πd.t.τu π/4 × d².τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design Guest's theory of failure is applicable for following type of materials Plastic Brittle Ductile Elastic Plastic Brittle Ductile Elastic ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be W/A W/2A 2W/A 3W/A W/A W/2A 2W/A 3W/A ANSWER DOWNLOAD EXAMIANS APP
Machine Design The draw of cotter need not exceed 5 mm 20 mm 10 mm 3 mm 5 mm 20 mm 10 mm 3 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design In thrust bearings, the load acts In any direction Perpendicular to the axis of rotation Along the axis of rotation Parallel to the axis of rotation In any direction Perpendicular to the axis of rotation Along the axis of rotation Parallel to the axis of rotation ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to T/2 1 T 4 T 2 T T/2 1 T 4 T 2 T ANSWER DOWNLOAD EXAMIANS APP