Machine Design In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) 5 d 4 d 3 d 2 d 5 d 4 d 3 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hot short metal is Brittle under all conditions Brittle when hot Brittle when cold Ductile at high temperature Brittle under all conditions Brittle when hot Brittle when cold Ductile at high temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress in the fillet weld is 100 N/mm². The fillet weld has equal leg lengths of 15 mm each. The allowable shearing load on the weldment per cm length of the weld is 22.5 kN 7.5 kN 15 kN 10.6 kN 22.5 kN 7.5 kN 15 kN 10.6 kN 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.τu π/4 × d² × tτu πd.t.τu t.τu π/4 × d².τu π/4 × d² × tτu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/σt pd/2σt pd/4σt pd/3σt pd/σt pd/2σt pd/4σt pd/3σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material generally used for aircraft components is Mild steel High speed steel Aluminium Stainless steel Mild steel High speed steel Aluminium Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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