Machine Design
The longitudinal joint in boilers is used to get the required

Length and diameter of boiler
Efficiency of boiler
Diameter of boiler
Length of boiler

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Machine Design
When the belt is transmitting maximum power,

The tension in tight side is thrice the centrifugal tension
The tension in tight side is twice the centrifugal tension
The tension in slack side is equal to the centrifugal tension
None of these

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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 = [(1 - μ tanθ)/ (1 + μ tanθ)]n
T₁/T₂ = (μθ)n
T₁/T₂ = μθ × n

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