a tank is in the frustum of a right circular cone is supported(held together) with steel hoops at the bottom and the top. thediameter at the top is 1.20m and 1.80m at the bottom and is 1.80high. if the tank is filled with 900mm of oil of specific gravityis 0.80 and 900 mm of water, determine (a) the unit pressure inkg/m2 at the top and at the bottom of the water (b) the tension atthe top and bottom hoops in kg