Machine Design For tight leakage joints, following type of thread is best suited Metric Buttress Square NPT (national pipe threads). Metric Buttress Square NPT (national pipe threads). ANSWER DOWNLOAD EXAMIANS APP
Machine Design For applications involving high stresses in one direction only the following type of thread would be best suited ISO metric thread Square thread Acme thread Buttress thread ISO metric thread Square thread Acme thread Buttress thread 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
Machine Design In a journal bearing, the load on the bearing is __________ to the axis of the journal. Perpendicular Both A and B None of these Parallel Perpendicular Both A and B None of these Parallel ANSWER DOWNLOAD EXAMIANS APP
Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/4σt pd/σt pd/2σt pd/3σt pd/4σt pd/σt pd/2σt pd/3σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The taper on cotter varies from 1 in 15 to 1 in 10 1 in 48 to 1 in 24 1 in 32 to 1 in 24 1 in 24 to 1 in 20 1 in 15 to 1 in 10 1 in 48 to 1 in 24 1 in 32 to 1 in 24 1 in 24 to 1 in 20 ANSWER DOWNLOAD EXAMIANS APP
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