Machine Design Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be 8 2 16 4 8 2 16 4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A chain drive transmits __________ power as compared to belt drive. More Same None of these Less More Same None of these Less ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the bolts are subjected to None of these Compressive stress Tensile stress Shear stress None of these Compressive stress Tensile stress Shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of a washer is to Absorb shocks and vibrations Provide cushioning effect Provide bearing area Provide smooth surface in place of rough surface Absorb shocks and vibrations Provide cushioning effect Provide bearing area Provide smooth surface in place of rough surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = 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