A vertical axis Francis turbine has a runner diameter of 0.825 m, operates with an effective head, HE = 6.0 m, and produces 200 kW at the shaft. The rotational speed of the runner is 250 rpm, the overall efficiency is 0.90, and the hydraulic efficiency is 0.96. If the meridional (i.e., flow) velocity of the water through the runner is constant and equal to 0:4 and the exit absolute flow is without swirl, determine the vane exit angle, the inlet angle of the runner vanes, and the runner height at inlet. Evaluate the power specific speed of the turbine and decide if the data given is consistent with the stated overall efficiency.