Machine Design For tight leakage joints, following type of thread is best suited Square NPT (national pipe threads). Buttress Metric Square NPT (national pipe threads). Buttress Metric ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 12 kN/m 24 kN/m 30 kN/m 6 kN/m 12 kN/m 24 kN/m 30 kN/m 6 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 1-3 m/s 30-50 m/s 3-15 m/s 15-30 m/s 1-3 m/s 30-50 m/s 3-15 m/s 15-30 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The sleeve or muff coupling is designed as a Hollow shaft Thick cylinder Solid shaft Dun cylinder Hollow shaft Thick cylinder Solid shaft Dun cylinder ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to remove internal stresses produced by hardening the steel, the process usually adopted is Normalizing Tempering Annealing Spheroidizing Normalizing Tempering Annealing Spheroidizing 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 bending stress and curvature of 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 torsional shear stress and transverse shear stress in the wire Combined effect of bending stress and curvature of 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 torsional shear stress and transverse shear stress in the wire ANSWER DOWNLOAD EXAMIANS APP