Machine Design In the levers of __________ type, the mechanical advantage is less than one. Third Second First None of these Third Second First None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. Lower surface Upper surface None of these Neutral surface Lower surface Upper surface None of these Neutral surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is Equal Larger/smaller depending on diameter of spring coil Smaller Larger Equal Larger/smaller depending on diameter of spring coil Smaller Larger ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearing characteristic number in a hydrodynamic bearing depends upon Viscosity, speed and bearing pressure Viscosity, speed and load Length, width and load Length, width and speed Viscosity, speed and bearing pressure Viscosity, speed and load Length, width and load Length, width and speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length) (π/4) d² × τ × n 3 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n (π/4) d² × τ × n 3 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in cyclic loading is Very serious in ductile materials and less serious in brittle materials Seriousness would depend on other factors Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials Very serious in ductile materials and less serious in brittle materials Seriousness would depend on other factors Equally serious in both types of materials Very serious in brittle materials and less serious in ductile materials ANSWER DOWNLOAD EXAMIANS APP