Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is Bending stress only A combination of torsional shear stress and bending Direct shear stress only A combination of bending stress and direct shear stress Bending stress only A combination of torsional shear stress and bending Direct shear stress only A combination of bending stress and direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = 6√t d = 2√t d = 1.6√t d = √t d = 6√t d = 2√t d = 1.6√t d = √t ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio is the ratio of Length of path of contact to the circular pitch Length of arc of contact to the circular pitch Length of arc of recess to the circular pitch Length of arc of approach to the circular pitch Length of path of contact to the circular pitch Length of arc of contact to the circular pitch Length of arc of recess to the circular pitch Length of arc of approach to the circular pitch 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 speed of the sprocket reduces as the chain pitch __________ for a given number of teeth. Remain same None of these Increases Decreases Remain same None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design A feather key is generally Loose in shaft and tight in hub Loose in both shaft and hub Tight in shaft and loose in hub Tight in both shaft and hub Loose in shaft and tight in hub Loose in both shaft and hub Tight in shaft and loose in hub Tight in both shaft and hub ANSWER DOWNLOAD EXAMIANS APP
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