Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that Joint may not open up Bolts will not loosen during service Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts will not loosen during service Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load ANSWER DOWNLOAD EXAMIANS APP
Machine Design A feather key is generally Tight in both shaft and hub Tight in shaft and loose in hub Loose in shaft and tight in hub Loose in both shaft and hub Tight in both shaft and hub Tight in shaft and loose in hub Loose in shaft and tight in hub Loose in both shaft and hub ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following loading is considered for the design of axles? Twisting moment only Bending moment only Combined bending moment and twisting moments Combined action of bending moment, twisting moment and axial thrust Twisting moment only Bending moment only Combined bending moment and twisting moments Combined action of bending moment, twisting moment and axial thrust ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have Small overall dimensions Low starting and low running friction except at very high speeds Accuracy of shaft alignment All of these Small overall dimensions Low starting and low running friction except at very high speeds Accuracy of shaft alignment All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the Initial tension External load applied Sum of the initial tension and external load applied Initial tension or external load, whichever is greater Initial tension External load applied Sum of the initial tension and external load applied Initial tension or external load, whichever is greater ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ ANSWER DOWNLOAD EXAMIANS APP
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