Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.65 0.35 0.5 0.2 0.65 0.35 0.5 0.2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Square threads Knuckle threads Acme threads Buttress threads Square threads Knuckle threads Acme threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket) p = D sin (90°/T) p = D sin (180°/T) p = D sin (360°/T) p = D sin (120°/T) p = D sin (90°/T) p = D sin (180°/T) p = D sin (360°/T) p = D sin (120°/T) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Resistance to fatigue of a material is measured by Endurance limit Elastic limit Young's modulus Coefficient of elasticity Endurance limit Elastic limit Young's modulus Coefficient of elasticity ANSWER DOWNLOAD EXAMIANS APP
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.τu t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for Ease of manufacture Safety Fullering and caulking Reducing stress concentration Ease of manufacture Safety Fullering and caulking Reducing stress concentration ANSWER DOWNLOAD EXAMIANS APP
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