Machine Design In the levers of __________ type, the mechanical advantage is less than one. Third None of these Second First Third None of these Second First 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 2 τ 4 τ τ/2 τ 2 τ 4 τ τ/2 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/2 4 τ τ 2 τ τ/2 4 τ τ 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 π/4 × d² × tτu t.τu πd.t.τu π/4 × d².τu π/4 × d² × tτu t.τu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock resistance of steel is increased by adding Nickel Cobalt and molybdenum Nickel and chromium Chromium Nickel Cobalt and molybdenum Nickel and chromium Chromium ANSWER DOWNLOAD EXAMIANS APP
Machine Design While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as One end fixed and the other end hinged Both the ends hinged One end fixed and the other end free Both the ends fixed One end fixed and the other end hinged Both the ends hinged One end fixed and the other end free Both the ends fixed ANSWER DOWNLOAD EXAMIANS APP
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