Machine Design Residual stress in materials Becomes zero when external load is removed Is always harmful Is independent of external loads Acts when external load is applied Becomes zero when external load is removed Is always harmful Is independent of external loads Acts when external load is applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The face angle of a bevel gear is equal to Pitch angle - addendum angle Pitch angle + addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle - addendum angle Pitch angle + addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design A fast and loose pulley drive is used when Shafts are arranged at right angles and rotate in one definite direction Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged parallel and rotate in the same directions ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to Dynamic load Completely reversed load Static load Static as well as dynamic load Dynamic load Completely reversed load Static load Static as well as dynamic load ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane. Twice Thrice Half None of these Twice Thrice Half None of these ANSWER DOWNLOAD EXAMIANS APP