1.A jet of water with a velocity of 20 m/s impinges on a single vane moving at 5 m/s in the direction of the jet and transmits a power P1. If the same jet drives a series of similar vanes mounted on a wheel under similar velocity conditions, the power transmitted by the jet is P2. The ratio of P1 to P2 is (a) 0.25 (b) 0.33 (c) 0.50 (d) 0.75 2. A two-dimensional free jet of water strikes a fixed two-dimensional plate at 45 to the normal to the plate. This causes the jet to split in to two streams whose discharges are in the ratio (a) 5.83 (b) 1.00 (c) 1.41 (d) 3.00
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