Machine Design In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) 4 d 2 d 3 d 5 d 4 d 2 d 3 d 5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct tensile stress Direct shear stress Direct compressive stress Direct bending stress Direct tensile stress Direct shear stress Direct compressive stress Direct bending stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress in the fillet weld is 100 N/mm². The fillet weld has equal leg lengths of 15 mm each. The allowable shearing load on the weldment per cm length of the weld is 22.5 kN 10.6 kN 15 kN 7.5 kN 22.5 kN 10.6 kN 15 kN 7.5 kN ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) P1 + P2 [(√P1 + √P2)/2]² [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) P1 + P2 [(√P1 + √P2)/2]² ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.5 2.8 3.0 2.5 3.5 2.8 3.0 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Gib-head key Feather key Flat saddle key Wood ruff key Gib-head key Feather key Flat saddle key Wood ruff key ANSWER DOWNLOAD EXAMIANS APP
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