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 A saddle key __________ power through frictional resistance only. Does not transmit Transmits Either A or B None of these Does not transmit Transmits Either A or B None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase its length Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase its length Increase shank diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct for gears? The pitch circle diameter is equal to the product of module and number of teeth The addendum is less than dedendum The pitch circle is always greater than the base circle All of these The pitch circle diameter is equal to the product of module and number of teeth The addendum is less than dedendum The pitch circle is always greater than the base circle All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is a permanent fastening? Rivets Keys Cotters Bolts Rivets Keys Cotters Bolts ANSWER DOWNLOAD EXAMIANS APP
Machine Design The number of slots in a 25 mm castle nut is 4 6 8 2 4 6 8 2 ANSWER DOWNLOAD EXAMIANS APP