Machine Design Deep groove ball bearings are used for Combined thrust and radial loads at high speed Heavy thrust load only Radial load at high speed Small angular displacement of shafts Combined thrust and radial loads at high speed Heavy thrust load only Radial load at high speed Small angular displacement of shafts ANSWER DOWNLOAD EXAMIANS APP
Machine Design Fibrous fracture occurs in Ductile material Elastic material Brittle material Hard material Ductile material Elastic material Brittle material Hard material ANSWER DOWNLOAD EXAMIANS APP
Machine Design For tight leakage joints, following type of thread is best suited Square Buttress NPT (national pipe threads). Metric Square Buttress NPT (national pipe threads). Metric ANSWER DOWNLOAD EXAMIANS APP
Machine Design Transverse fillet welded joints are designed for Tensile strength Shear strength Compressive strength Bending strength Tensile strength Shear strength Compressive strength Bending strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D²n Gd⁴/ 4D3n Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd⁴/ 8D3n Gd3/ 8D3n 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 = (μθ)n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = μθ × n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = (μθ)n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
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