Machine Design In radial bearings, the load acts __________ to the axis of rotation. Both A and B Perpendicular None of these Parallel Both A and B Perpendicular None of these Parallel ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum strain energy theory Maximum shear stress theory Maximum distortion energy theory Maximum principal stress theory Maximum strain energy theory Maximum shear stress theory Maximum distortion energy theory Maximum principal stress theory 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 = (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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as Internal bevel gears Angular bevel gears Miter gears Crown bevel gears Internal bevel gears Angular bevel gears Miter gears Crown bevel gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be 0.8 d 1.8 d 1.57 d 1.2 d 0.8 d 1.8 d 1.57 d 1.2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Euler’s formula for a mild steel column is not valid if the slenderness ratio is 120 100 60 90 120 100 60 90 ANSWER DOWNLOAD EXAMIANS APP
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