_ In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where ≈í¬∫ = Coefficient of friction between the blocks and the drum, ≈í‚àè = Semi-angle of each block subtending at the center of drum, and n = Number of blocks)$?

T‚Äö√á√Ö/T‚Äö√á√á = ≈í¬∫. ≈í‚àè. n

T‚Äö√á√Ö/T‚Äö√á√á = [(1 - ≈í¬∫ tan≈í‚àè)/(1 + ≈í¬∫ tan≈í‚àè)]n

T‚Äö√á√Ö/T‚Äö√á√á = (≈í¬∫ ≈í‚àè)n

T‚Äö√á√Ö/T‚Äö√á√á = [(1 + ≈í¬∫ tan≈í‚àè)/(1 - ≈í¬∫ tan≈í‚àè)]n

_ In a band and block brake, the ratio of tensions on tight side and s

1.	_ In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where ≈í¬∫ = Coefficient of friction between the blocks and the drum, ≈í‚àè = Semi-angle of each block subtending at the center of drum, and n = Number of blocks)$?
A.	T‚Äö√á√Ö/T‚Äö√á√á = ≈í¬∫. ≈í‚àè. n
B.	T‚Äö√á√Ö/T‚Äö√á√á = [(1 - ≈í¬∫ tan≈í‚àè)/(1 + ≈í¬∫ tan≈í‚àè)]n
C.	T‚Äö√á√Ö/T‚Äö√á√á = (≈í¬∫ ≈í‚àè)n
D.	T‚Äö√á√Ö/T‚Äö√á√á = [(1 + ≈í¬∫ tan≈í‚àè)/(1 - ≈í¬∫ tan≈í‚àè)]n
Answer» E.

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_ In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where ≈í¬∫ = Coefficient of friction between the blocks and the drum, ≈í‚àè = Semi-angle of each block subtending at the center of drum, and n = Number of blocks)$?

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