Machine Design Which of the following spring is used in mechanical wrist watch? Torsion spring Spiral spring Belleville spring Helical compression spring Torsion spring Spiral spring Belleville spring Helical compression spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given byWhere m = mass of belt per meter (kg/m)v = belt velocity (m/s)f = coefficient of frictiona = angle of wrap (radians) P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is less than helix angle Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear modulus of resilience is proportional to Shear stress (Shear stress)² (Shear stress)⁴ (Shear stress)3 Shear stress (Shear stress)² (Shear stress)⁴ (Shear stress)3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The form factor of a helical gear __________ with the increase in the helix angle. Decreases Remains constant Increases None of these Decreases Remains constant Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal resistance to corrosion by coating Metal strength by cycling Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal resistance to corrosion by coating Metal strength by cycling ANSWER DOWNLOAD EXAMIANS APP
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