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 torsional shear stress and transverse shear stress in the 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 transverse shear stress and curvature of wire Combined effect of torsional shear stress and transverse shear stress in the wire Combined effect of transverse shear stress and bending stress in the wire ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material used for brake lining should have __________ coefficient of friction. None of these Low Moderate High None of these Low Moderate High ANSWER DOWNLOAD EXAMIANS APP
Machine Design Euler’s formula for a mild steel column is not valid if the slenderness ratio is 100 60 120 90 100 60 120 90 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) 0.75/ (0.75 + √v) 6/ (6 + v) 4.5/ (4.5 + v) 3/ (3 + v) 0.75/ (0.75 + √v) 6/ (6 + v) 4.5/ (4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 700 to 900°C 1300 to 1500°C 500 to 600°C 1100 to 1300°C 700 to 900°C 1300 to 1500°C 500 to 600°C 1100 to 1300°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio for gears is Less than one Greater than one Zero None of these Less than one Greater than one Zero None of these ANSWER DOWNLOAD EXAMIANS APP
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