Machine Design The included angle in unified of American National threads is 55° 29° 60° 47° 55° 29° 60° 47° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° - φ/2 45° - φ 90° - φ 45° + φ/2 45° - φ/2 45° - φ 90° - φ 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Feather key Flat saddle key Wood ruff key Gib-head key Feather key Flat saddle key Wood ruff key Gib-head key ANSWER DOWNLOAD EXAMIANS APP
Machine Design The root angle of a bevel gear is equal to Pitch angle - dedendum angle Pitch angle + dedendum angle Pitch angle - addendum angle Pitch angle + addendum angle Pitch angle - dedendum angle Pitch angle + dedendum angle Pitch angle - addendum angle Pitch angle + addendum angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design For tight leakage joints, following type of thread is best suited Buttress Metric NPT (national pipe threads). Square Buttress Metric NPT (national pipe threads). Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design Plastic flow in ductile materials Lessens the seriousness of static loading stress concentration Has no effect on it Increases the seriousness of static loading stress concentration Depends on other considerations Lessens the seriousness of static loading stress concentration Has no effect on it Increases the seriousness of static loading stress concentration Depends on other considerations ANSWER DOWNLOAD EXAMIANS APP