Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 5 N-m 10 N-m 15 N-m 7 N-m 5 N-m 10 N-m 15 N-m 7 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design A woodruff key is Fitted in pairs at right angles A tapered key with head at one end Capable of tilting in a recess milled out in the shaft All of these Fitted in pairs at right angles A tapered key with head at one end Capable of tilting in a recess milled out in the shaft All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to 0.6 0.25 0.2 0.5 0.6 0.25 0.2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material generally used for aircraft components is Aluminium Mild steel High speed steel Stainless steel Aluminium Mild steel High speed steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of pressure vessels having closed ends, the fluid pressure induces Longitudinal stress Circumferential stress None of these Shear stress Longitudinal stress Circumferential stress None of these Shear stress ANSWER DOWNLOAD EXAMIANS APP
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