Question

Two tanks A and B contains water at 30⁰C and 80⁰C respectively, calculate the amount of water that must be taken from each tank to prepare 40kg of water at 50⁰C –

• A. 24 kg, 16 kg
• B. 16 kg, 24 kg
• C. 20 kg, 20 kg
• D. 30 kg, 10 kg

Answer 1

Answer: (A)

24 kg, 16 kg

Answer 2

m₁ × 1 (50 – 30) = m₂(80 – 50) ....(i)

m₁ + m₂ = 40 kg ....(ii)