Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 22.5° 90° 67.5° 45° 22.5° 90° 67.5° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Screws used for power transmission should have High efficiency Very fine threads Strong teeth Low efficiency High efficiency Very fine threads Strong teeth Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Its ability to absorb shocks Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter Its ability to absorb shocks Load required to produce unit deflection Its capability of storing energy Ratio of coil diameter to wire diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design Buttress threads are usually found on Screw cutting lathes Feed mechanisms Spindles of bench vices Railway carriage couplings Screw cutting lathes Feed mechanisms Spindles of bench vices Railway carriage couplings ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth) 0.154 - (0.912/T) None of these 0.124 - (0.684/T) 0.175 - (0.841/T) 0.154 - (0.912/T) None of these 0.124 - (0.684/T) 0.175 - (0.841/T) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is More than 50% Less than 50% None of these Equal to 50% More than 50% Less than 50% None of these Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
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