Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. Less than unity Equal to 1 None of these Greater than unity Less than unity Equal to 1 None of these Greater than unity ANSWER DOWNLOAD EXAMIANS APP
Machine Design Guest's theory of failure is applicable for following type of materials Plastic Brittle Elastic Ductile Plastic Brittle Elastic Ductile ANSWER DOWNLOAD EXAMIANS APP
Machine Design Guest's theory is used for Ductile materials Elastic materials Brittle materials Plastic materials Ductile materials Elastic materials Brittle materials Plastic materials 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 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Its capability of storing energy Its ability to absorb shocks Ratio of coil diameter to wire diameter Load required to produce unit deflection Its capability of storing energy Its ability to absorb shocks Ratio of coil diameter to wire diameter Load required to produce unit deflection ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Ductile materials Brittle materials Depends on other factors Equally serious in both cases Ductile materials Brittle materials Depends on other factors Equally serious in both cases ANSWER DOWNLOAD EXAMIANS APP