Machine Design Guest's theory is used for Ductile materials Plastic materials Elastic materials Brittle materials Ductile materials Plastic materials Elastic materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 1.2 d 1.8 d 0.8 d 1.57 d 1.2 d 1.8 d 0.8 d 1.57 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is 2000 N-m 2136 N-m 2100 N-m 2050 N-m 2000 N-m 2136 N-m 2100 N-m 2050 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Decrease with decrease in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Increase with increase in y Decrease with decrease in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Increase with increase in y 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 = [(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 T₁/T₂ = (μθ)n T₁/T₂ = μθ × n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle None of these Increases Decreases Remains unchanged None of these Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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