Machine Design Which is positive drive? Flat belt drive Timing belt V belt drive Crossed belt drive Flat belt drive Timing belt V belt drive Crossed belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length) 3 × (π/4) d² × τ × n (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n 3 × (π/4) d² × τ × n (π/4) d² × τ × n 1.875 × (π/4) d² × τ × n 2 × (π/4) d² × τ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) 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 = [(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 T₁/T₂ = μθ × n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of pulleys for V-belt is More than 400 420 to 450 340 to 360 300 to 320 More than 400 420 to 450 340 to 360 300 to 320 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-parallel or intersecting but coplanar shafts are connected by gears, the arrangement is known as, None of these Worm gearing Bevel gearing Helical gearing None of these Worm gearing Bevel gearing Helical gearing ANSWER DOWNLOAD EXAMIANS APP
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