Machine Design Which of the following is not correct procedure to increase the fatigue limit? Shot peening Surface decarburisation Under stressing Cold working Shot peening Surface decarburisation Under stressing Cold working ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of a boiler plate are bevelled to an angle of 30° 45° 60° 80° 30° 45° 60° 80° ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 2 τ τ 4 τ τ/2 2 τ τ 4 τ τ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A rivet is specified by Type of head Shank diameter Length of tail Length of rivet Type of head Shank diameter Length of tail Length of rivet 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) t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of second type levers is found in Hand wheel of a punching press A pair of tongs Handle of a hand pump Lever of a loaded safety valve Hand wheel of a punching press A pair of tongs Handle of a hand pump Lever of a loaded safety valve ANSWER DOWNLOAD EXAMIANS APP
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