申論題

2. Three different liquids are used in the manometer shown here.

(b) Suppose fluid A is methanol (p_A = 792 kg/m³), B is water {p_B = 1000 kg/m³ )，and C is a manometer fluid with a specific gravity of 1.37; pressure P₂ = 121 kPa; h₁ = 30 cm; and h₂ = 24 cm. Calculate Pi (kPa). (10%)