Machine Design A screw will be self locking, if Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Has no influence on fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Has no influence on fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure Low efficiency High efficiency High mechanical advantage High load lifting capacity Low efficiency High efficiency High mechanical advantage High load lifting capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design The face angle of a bevel gear is equal to Pitch angle + dedendum angle Pitch angle - addendum angle Pitch angle - dedendum angle Pitch angle + addendum angle Pitch angle + dedendum angle Pitch angle - addendum angle Pitch angle - dedendum angle Pitch angle + addendum angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two springs are in series (having stiffness K), the equivalent stiffness will be K K/4 K/2 2K K K/4 K/2 2K ANSWER DOWNLOAD EXAMIANS APP
Machine Design The draw of cotter should not be more than 6 mm 3 mm 12 mm 8 mm 6 mm 3 mm 12 mm 8 mm ANSWER DOWNLOAD EXAMIANS APP