Machine Design A screw will be self locking, if Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rocker arms in internal combustion engines are of__________. Third type levers None of these First type levers Second type levers Third type levers None of these First type levers Second type levers ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material generally used for aircraft components is Mild steel High speed steel Aluminium Stainless steel Mild steel High speed steel Aluminium Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design For unequal width of butt straps, the thicknesses of butt straps are 0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside 0.75 t for both the straps on the inside and outside 0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside 0.625 t for both the straps on the inside and outside 0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside 0.75 t for both the straps on the inside and outside 0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside 0.625 t for both the straps on the inside and outside ANSWER DOWNLOAD EXAMIANS APP
Machine Design The minimum number of teeth on the pinion which will mesh with any gear without interference for 20° full depth involute teeth will be 14 18 24 12 14 18 24 12 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to 4 T T/2 2 T 1 T 4 T T/2 2 T 1 T ANSWER DOWNLOAD EXAMIANS APP