Machine Design When a close coiled helical spring is compressed, its wire is subjected to Shear Tension All of these Compression Shear Tension All of these Compression ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase shank diameter Tighten die bolt properly Increase its length Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase shank diameter Tighten die bolt properly Increase its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design The modulus of elasticity for mild steel is approximately equal to 210 kN/mm² 110 kN/mm² 100 kN/mm² 80 kN/mm² 210 kN/mm² 110 kN/mm² 100 kN/mm² 80 kN/mm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bench vice has following type of threads Square Acme Buttress Metric Square Acme Buttress Metric ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Coating Shot peening Polishing Electroplating Coating Shot peening Polishing Electroplating 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 = [(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 T₁/T₂ = μθ × n ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS