Machine Design A screw will be self locking, if Friction angle is less than helix angle Friction angle is equal to helix angle Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is equal to helix angle Friction angle is more than helix angle Efficiency of screw is 100% ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves None of these Axially upwards Axially downwards Axially upwards or downwards None of these Axially upwards Axially downwards Axially upwards or downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design A column of length l is fixed at both ends. The equivalent length of the column is 2 l l l/2 l/√2 2 l l l/2 l/√2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key capable of tilting in a recess milled out in a shaft is known as Hollow saddle key Woodruff key Feather key Flat saddle key Hollow saddle key Woodruff key Feather key Flat saddle key ANSWER DOWNLOAD EXAMIANS APP
Machine Design The width of the pulley should be __________ width of the belt. Less than None of these Greater than Equal to Less than None of these Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread. Smallest Effective Largest None of these Smallest Effective Largest None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS