Q2. (a) You are required to do preliminary design to detemine the suitability of the best...

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Q2. (a) You are required to do preliminary design to detemine the suitability of the best hydraulic triangular section for the flooding area. The channel is fit to use unpainted steel for lining. The flow discharge is 55 ms, and the So is 0.0015. y Figure Q2 (i) Determine the flow depth, y. (2 marks) Calculate all properties of the channel. (5 marks) (iii) Determine velocity of the channel. (1 mark) (iv) Using the answer in question (i, calculate the pemissible velocity of the channel. Given y = 998.29 kg/m. (4 marks) (v) Based on the velocities calculated above, justify if the design is allowable. If not, suggest what to do in redesigning the channel. (2 marks) (b) Determine the flow depth for the best hydraulics trapezoidal section with width of 3265 mm and side slope 1.5(H):1(V). (1 mark) Q2. (a) You are required to do preliminary design to detemine the suitability of the best hydraulic triangular section for the flooding area. The channel is fit to use unpainted steel for lining. The flow discharge is 55 ms, and the So is 0.0015. y Figure Q2 (i) Determine the flow depth, y. (2 marks) Calculate all properties of the channel. (5 marks) (iii) Determine velocity of the channel. (1 mark) (iv) Using the answer in question (i, calculate the pemissible velocity of the channel. Given y = 998.29 kg/m. (4 marks) (v) Based on the velocities calculated above, justify if the design is allowable. If not, suggest what to do in redesigning the channel. (2 marks) (b) Determine the flow depth for the best hydraulics trapezoidal section with width of 3265 mm and side slope 1.5(H):1(V). (1 mark)