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 7 N-m 10 N-m 15 N-m 5 N-m 7 N-m 10 N-m 15 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design A stud Has head at one end and other end fits into a tapped hole in the other part to be joined Has a head on one end and a nut fitted to the other Has both the ends threaded Has pointed threads Has head at one end and other end fits into a tapped hole in the other part to be joined Has a head on one end and a nut fitted to the other Has both the ends threaded Has pointed threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to Have variable bending moment (M) in each leaf Obtain variable moment of inertia (I) in each leaf Make M/I constant throughout the length of the leaf Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf Obtain variable moment of inertia (I) in each leaf Make M/I constant throughout the length of the leaf Permit each leaf to act as an overhanging beam ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take care of Combined effect of torsional shear stress and transverse shear stress in the wire Combined effect of transverse shear stress and curvature of wire Combined effect of transverse shear stress and bending stress in the wire Combined effect of bending stress and curvature of the wire Combined effect of torsional shear stress and transverse shear stress in the wire Combined effect of transverse shear stress and curvature of wire Combined effect of transverse shear stress and bending stress in the wire Combined effect of bending stress and curvature of the wire ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration factor is defined as the ratio of Maximum stress to the endurance limit Nominal stress to the endurance limit Maximum stress to the nominal stress Nominal stress to the maximum stress Maximum stress to the endurance limit Nominal stress to the endurance limit Maximum stress to the nominal stress Nominal stress to the maximum stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The piston pin bearings in heavy duty diesel engines are Needle roller bearings Tapered roller bearings Cylindrical roller bearings Spherical roller bearings Needle roller bearings Tapered roller bearings Cylindrical roller bearings Spherical roller bearings ANSWER DOWNLOAD EXAMIANS APP
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