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A spherical balloon with a diameter of 10 m, shown in the figure below is used for
advertisements. The balloon is filled with helium (The = 2.08 kJ/kg – K) at ambient
conditions of 15°C and 100 kPa. Assuming no disturbances due to wind, the maximum
allowable weight (in Newton) of balloon material and rope required to avoid the fall of
the balloon (rair = 0.289 kJ/kg. K) is
=
GATE
- 2014
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Mechanical Engineering

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Mechanical Engineering

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