1.If a 100 horsepower pump is used to pump water (row = 1.94 slugs/ft3) from a lake to a raised reservoir what is the maximum elevation of the reservoir above the lake if the pump operates at 30 cubic feet per second? Assume there are10 ft of losses in the piping system.
2.A 150 L helium tank contains pure helium at a pressue of 1825 psig. How many 3.5L helium balloons can be filled from the helium in the tank? (Assume an atmospheric pressue (14.7 psia) and a temp of 298K.