Machine Design Cold working Has no influence on fatigue strength Increases the fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength Has no influence on fatigue strength Increases the fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by P/√2.s.l √2P/s.l 2P/s.l P/2.s.l P/√2.s.l √2P/s.l 2P/s.l P/2.s.l ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.8 d 1.2 d 0.8 d 1.57 d 1.8 d 1.2 d 0.8 d 1.57 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the factor of safety of riveted joint should not be less than 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ball bearings are, usually, made from Low carbon steel High carbon steel Medium carbon steel High speed steel Low carbon steel High carbon steel Medium carbon steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is 340 to 360 420 to 450 300 to 320 More than 400 340 to 360 420 to 450 300 to 320 More than 400 ANSWER DOWNLOAD EXAMIANS APP