Machine Design According to maximum normal stress theory, the maximum normal stress in the shaft is σ + √(σ² × 4τ²) √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] (1/2) × √(σ² × 4τ²) σ + √(σ² × 4τ²) √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] (1/2) × √(σ² × 4τ²) 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 Increase with increase in y Depend on other considerations Be independent of ratio of mass of load W to mass of bar (y) Decrease with decrease in y Increase with increase in y Depend on other considerations Be independent of ratio of mass of load W to mass of bar (y) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the length of the journal is equal to the diameter of the journal, then the bearing is said to be a Short bearing Medium bearing Long bearing Square bearing Short bearing Medium bearing Long bearing Square bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod subjected to an axial load may buckle with X-axis or Y-axis as neutral axis X-axis as neutral axis Y-axis as neutral axis Z-axis X-axis or Y-axis as neutral axis X-axis as neutral axis Y-axis as neutral axis Z-axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts will have equal strength, if Diameter of both the shafts is same Angle of twist of both the shafts is same Material of both the shafts is same Twisting moment of both the shafts is same Diameter of both the shafts is same Angle of twist of both the shafts is same Material of both the shafts is same Twisting moment of both the shafts is same ANSWER DOWNLOAD EXAMIANS APP
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