Machine Design In order to obtain bolt of uniform strength Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase its length Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design The sleeve or muff coupling is designed as a Dun cylinder Hollow shaft Thick cylinder Solid shaft Dun cylinder Hollow shaft Thick cylinder Solid shaft ANSWER DOWNLOAD EXAMIANS APP
Machine Design Allen bolts are Provided with hexagonal depression in head Used in aircraft application Designed for shock load Self locking bolts Provided with hexagonal depression in head Used in aircraft application Designed for shock load Self locking bolts ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be 3W/A W/2A 2W/A W/A 3W/A W/2A 2W/A W/A ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to maximum normal stress theory, the maximum normal stress in the shaft is √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) σ + √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) σ + √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Metal hardness by surface treatment Metal strength by cycling Metal resistance to corrosion by coating Fatigue limit by over-stressing the metal by successively increasing loadings Metal hardness by surface treatment Metal strength by cycling Metal resistance to corrosion by coating Fatigue limit by over-stressing the metal by successively increasing loadings ANSWER DOWNLOAD EXAMIANS APP
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