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 transverse shear stress and bending stress in the wire Combined effect of transverse shear stress and curvature of 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 bending stress in the wire Combined effect of transverse shear stress and curvature of wire Combined effect of torsional shear stress and transverse shear stress in the wire Combined effect of bending stress and curvature of the wire ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 3/ (3 + v) 4.5/ (4.5 + v) 0.75/ (0.75 + √v) 6/ (6 + v) 3/ (3 + v) 4.5/ (4.5 + v) 0.75/ (0.75 + √v) 6/ (6 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following bearing is preferred for oscillating conditions? Angular contact single row ball bearing Double row roller bearing Needle roller bearing Taper roller bearing Angular contact single row ball bearing Double row roller bearing Needle roller bearing Taper roller bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearing characteristic number in a hydrodynamic bearing depends upon Viscosity, speed and bearing pressure Length, width and speed Length, width and load Viscosity, speed and load Viscosity, speed and bearing pressure Length, width and speed Length, width and load Viscosity, speed and load ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 3.5 d 2d + 13 mm d + 17 mm 2d + 20 mm 3.5 d 2d + 13 mm d + 17 mm 2d + 20 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to Ensure proper alignment Ensure uniform loading Reduce vibration Reduce slip Ensure proper alignment Ensure uniform loading Reduce vibration Reduce slip ANSWER DOWNLOAD EXAMIANS APP
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