Question
In a band and block brake, the ratio of tensions on the tight and slack
sides of band is given by (where `mu` = Coefficient of friction between the
blocks and the drum, `theta`= Semi-angle of each block subtending at the
centre of drum, and n = Number of blocks)
In a band and block brake, the ratio of tensions on the tight and slack
sides of band is given by (where `mu` = Coefficient of friction between the
blocks and the drum, `theta`= Semi-angle of each block subtending at the
centre of drum, and n = Number of blocks)
Answer: Option D
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