Machine Design A bolt of uniform strength can be developed by Keeping the core diameter smaller than the diameter of the unthreaded portion Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt None of these Keeping the core diameter smaller than the diameter of the unthreaded portion Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt None of these 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 τ τ/2 4 τ 2 τ τ τ/2 4 τ 2 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch angle of the Izod impact test specimen is 30° 45° 10° 20° 30° 45° 10° 20° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Shot peening Coating Polishing Electroplating Shot peening Coating Polishing Electroplating ANSWER DOWNLOAD EXAMIANS APP
Machine Design When compared to the rod of the same diameter and material, a wire rope Has a much smaller load carrying capacity Does not provide much warning before failure Provides much greater time for remedial action before failure Is less flexible Has a much smaller load carrying capacity Does not provide much warning before failure Provides much greater time for remedial action before failure Is less flexible ANSWER DOWNLOAD EXAMIANS APP
Machine Design The spring mostly used in gramophones is Volute spring Conical spring Helical spring Flat spiral spring Volute spring Conical spring Helical spring Flat spiral spring ANSWER DOWNLOAD EXAMIANS APP
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