The flow of palm oil mill effluent (SG = 0.876) from a reservoir is controlled by a 1.52-m-wide L-shaped gate hinged at point A. The gate will open when the water height reaches 3.66 m. E 2.84 m B Gate 4.58 m 3.66 m (a) Calculate the density of palm oil mill effluent. [1 mark] (b) Calculate the hydrostatic pressure acting on the gate surface. [5 marks) EKB 2063 (B. E. Hons - Chemical Engineering) March 2021 CONFIDENTIAL 4/4 (c) Calculate the resultant hydrostatic force acting on the gate surface. [4 marks] (d) Find the height from the fluid surface to the pressure center of the gate surface. [3 marks] (e) By performing moment balance at appropriate point, calculate the required weight W to shut the gate. [5 marks] (f) Calculate the required mass of weight to shut the gate. [2 marks]