Machine Design Crowning on pulley helps In increasing the slip of the belt In decreasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In increasing the slip of the belt In decreasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth) 0.154 - (0.912/T) None of these 0.124 - (0.684/T) 0.175 - (0.841/T) 0.154 - (0.912/T) None of these 0.124 - (0.684/T) 0.175 - (0.841/T) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 12.5 m/s 15 m/s 10 m/s 20 m/s 12.5 m/s 15 m/s 10 m/s 20 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by belt drive depends upon All of these Belt velocity Initial belt tension Arc of contact All of these Belt velocity Initial belt tension Arc of contact 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
Machine Design The material commonly used for machine tool bodies is Mild steel Aluminium Cast iron Brass Mild steel Aluminium Cast iron Brass ANSWER DOWNLOAD EXAMIANS APP