Machine Design Which of the following material has the maximum ductility? Aluminium Mild steel Copper Zinc Aluminium Mild steel Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the centre of drum, and n = Number of blocks) T₁/T₂ = (μθ)n T₁/T₂ = μθ × n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = (μθ)n T₁/T₂ = μθ × n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a marine flange coupling, the pitch circle diameter of bolts is taken as 1.6 d 1.2 d 2.5 d 2 d 1.6 d 1.2 d 2.5 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Is inversely proportional to Does not depend upon Is directly proportional to Is equal to cos φ multiplied by Is inversely proportional to Does not depend upon Is directly proportional to Is equal to cos φ multiplied by ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. None of these Lower surface Neutral surface Upper surface None of these Lower surface Neutral surface Upper surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design In most machine members, the damping capacity of the material should be Zero Low High Could be anything Zero Low High Could be anything ANSWER DOWNLOAD EXAMIANS APP