Mechanical Engineering > GATE 2014 SET-2 > Buoyancy & Ideal Gases
A spherical balloon with a diameter of 10 m is used for advertisements. The balloon is filled with helium (RHe = 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 _______
Correct : 5315
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