Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.65 0.5 0.35 0.2 0.65 0.5 0.35 0.2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio is the ratio of Length of arc of contact to the circular pitch Length of path of contact to the circular pitch Length of arc of approach to the circular pitch Length of arc of recess to the circular pitch Length of arc of contact to the circular pitch Length of path of contact to the circular pitch Length of arc of approach to the circular pitch Length of arc of recess to the circular pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-parallel or intersecting but coplanar shafts are connected by gears, the arrangement is known as, Bevel gearing Worm gearing Helical gearing None of these Bevel gearing Worm gearing Helical gearing None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum circle diameter is equal to (where φ = Pressure angle) Addendum circle diameter × cosφ Pitch circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × sinφ Addendum circle diameter × cosφ Pitch circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × sinφ 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 1.8 d 1.2 d 0.8 d 1.57 d 1.8 d 1.2 d 0.8 d 1.57 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to 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 Prevent the rotation of load being lifted Enhance the load carrying capacity of the jack ANSWER DOWNLOAD EXAMIANS APP