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 The constant factor in case of R10 series of preferred numbers is 1.58 1.12 1.06 1.26 1.58 1.12 1.06 1.26 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of __________ type, the mechanical advantage is less than one. None of these Third Second First None of these Third Second First ANSWER DOWNLOAD EXAMIANS APP
Machine Design In testing a material for endurance strength, it is subjected to Completely reversed load Static load Impact load Dynamic load Completely reversed load Static load Impact load Dynamic load ANSWER DOWNLOAD EXAMIANS APP
Machine Design A stud Has a head on one end and a nut fitted to the other Has head at one end and other end fits into a tapped hole in the other part to be joined Has both the ends threaded Has pointed threads Has a head on one end and a nut fitted to the other Has head at one end and other end fits into a tapped hole in the other part to be joined Has both the ends threaded Has pointed threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Buttress threads are usually found on Screw cutting lathes Railway carriage couplings Spindles of bench vices Feed mechanisms Screw cutting lathes Railway carriage couplings Spindles of bench vices Feed mechanisms ANSWER DOWNLOAD EXAMIANS APP