Machine Design For tight leakage joints, following type of thread is best suited Metric Square NPT (national pipe threads). Buttress Metric Square NPT (national pipe threads). Buttress ANSWER DOWNLOAD EXAMIANS APP
Machine Design In static loading, stress concentration is more serious in Ductile materials Brittle as well as ductile materials Elastic materials Brittle materials Ductile materials Brittle as well as ductile materials Elastic materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The backlash for spur gears depends upon Both module and pitch line velocity Pitch line velocity Tooth profile Module Both module and pitch line velocity Pitch line velocity Tooth profile Module ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack Reduce the value of frictional torque Reduce the effort needed for lifting the working load Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack Reduce the value of frictional torque Reduce the effort needed for lifting the working load 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 6 kN/m 24 kN/m 30 kN/m 12 kN/m 6 kN/m 24 kN/m 30 kN/m 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 transverse shear stress and curvature of 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 torsional shear stress and transverse shear stress in the wire Combined effect of transverse shear stress and curvature of 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 torsional shear stress and transverse shear stress in the wire ANSWER DOWNLOAD EXAMIANS APP