Machine Design Spring index is Indication of quality of spring Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter Indication of quality of spring Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.2 d 1.8 d 0.8 d 1.57 d 1.2 d 1.8 d 0.8 d 1.57 d 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 4.5/ (4.5 + v) 0.75/ (0.75 + √v) 3/ (3 + v) 6/ (6 + v) 4.5/ (4.5 + v) 0.75/ (0.75 + √v) 3/ (3 + v) 6/ (6 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In thrust bearings, the load acts Along the axis of rotation In any direction Perpendicular to the axis of rotation Parallel to the axis of rotation Along the axis of rotation In any direction Perpendicular to the axis of rotation Parallel to the axis of rotation ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increases the belt tension without increasing power transmission Decreases the power transmitted Increase the wrap angle Increases the power transmitted Increases the belt tension without increasing power transmission Decreases the power transmitted Increase the wrap angle Increases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design The plasticity is the property of a material which enables it to Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resist fracture due to high impact loads Regain its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resist fracture due to high impact loads Regain its original shape after deformation when the external forces are removed ANSWER DOWNLOAD EXAMIANS APP