Machine Design For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle) 2μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Fibrous fracture occurs in Hard material Elastic material Ductile material Brittle material Hard material Elastic material Ductile material Brittle material ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Depend on other considerations Be independent of ratio of mass of load W to mass of bar (y) Increase with increase in y Decrease with decrease in y Depend on other considerations Be independent of ratio of mass of load W to mass of bar (y) Increase with increase in y Decrease with decrease in y ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal stress is __________ of the circumferential stress. Two-third Double One-half Three-fourth Two-third Double One-half Three-fourth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The strength of a riveted joint is equal to Shearing strength of rivet (Ps) Crushing strength of rivet (Pc) Tearing strength of plate (Pt) Least value of Pt Ps and Pc Shearing strength of rivet (Ps) Crushing strength of rivet (Pc) Tearing strength of plate (Pt) Least value of Pt Ps and Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in static loading is Seriousness would depend on other factors Equally serious in both types of materials Very serious in ductile materials and less serious in brittle materials Very serious in brittle materials and less serious in ductile materials Seriousness would depend on other factors Equally serious in both types of materials Very serious in ductile materials and less serious in brittle materials Very serious in brittle materials and less serious in ductile materials ANSWER DOWNLOAD EXAMIANS APP
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