Machine Design - Study Mode

[#446] If p = bearing pressure on projected bearing area, Z = absolute viscosity of lubricant and N = speed of journal, then the bearing characteristic number is given by
Correct Answer

(A) $$frac{{{ ext{ZN}}}}{{ ext{p}}}$$

[#447] The suitable material for belt in agricultural machinery is
Correct Answer

(B) Rubber

[#448] Which process will increase the fatigue duration of parts?
Correct Answer

(B) Shot-peening

[#449] Coaxing is the procedure of increasing
Correct Answer

(D) Fatigue limit by over-stressing the metal by successively increasing loadings

[#450] In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.
Correct Answer

(A) 90°