A horizontal circular safety valve is installed 12 m below the water surface in a…

PHYSICS · Single correct · CBSE · Physics · Mechanical Properties of Fluids · Mechanical Properties of Fluids

Problem

A horizontal circular safety valve is installed 12 m below the water surface in a reservoir. The valve must be designed so that the water force on it does not exceed 4.0×104 N4.0\times10^{4}\,\text{N}. What is the maximum allowable diameter of the valve? Assume ρwater=1.0×103 kg m−3\rho_{\text{water}} = 1.0\times10^{3}\,\text{kg}\,\text{m}^{-3} and g=9.8 m s−2g = 9.8\,\text{m}\,\text{s}^{-2}. (a) 0.48  m0.48\;\text{m} (b) 0.92  m0.92\;\text{m} (c) 0.66  m0.66\;\text{m} (d) 0.33  m0.33\;\text{m}

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