Machine Design A screw is said to be over hauling screw, if the 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 According to maximum normal stress theory, the maximum normal stress in the shaft is σ + √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) σ + √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance limit for a mirror polished material will be __________ as compared to unpolished material. Same None of these Less More Same None of these Less More ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as Internal bevel gears Angular bevel gears Crown bevel gears Mitre gears Internal bevel gears Angular bevel gears Crown bevel gears Mitre gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It is more stretched than the outer side during the manufacturing process It is subjected to a higher stress than the outer side It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side It is more stretched than the outer side during the manufacturing process It is subjected to a higher stress than the outer side It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side ANSWER DOWNLOAD EXAMIANS APP
Machine Design The steel pulleys are __________ in weight than cast iron pulleys of the same capacity. Moderate Lighter None of these Heavier Moderate Lighter None of these Heavier ANSWER DOWNLOAD EXAMIANS APP