3.10 The axial How fan with hublip radil as shown is rotatiog at 6e0 rpm and delivers 8100 ef with a diseharged static preseure of 0.25 in. Mg. If the exit ared is 8.5f2 and the hydinulic ef. eiency basod on toral pressure is 874 , deicrmine the blade angles at mean radii of leading and trating odges. Neggleet the incidence at the leading edge and the fow deviation at the trilitg endinarin, Deicmage the leow rete and ideal diseharge head under design conditiea