A pipe has a diameter of 100 mm and carries water at a velocity of 2 m/s. What is the volumetric flow rate Q (m^3/s) and the mass flow rate m_dot (kg/s) if density is 1000 kg/m^3?

A pipe has a diameter of 100 mm and carries water at a velocity of 2 m/s. What is the volumetric flow rate Q (m^3/s) and the mass flow rate m_dot (kg/s) if density is 1000 kg/m^3?

• A. Q = 0.0157 m^3/s; m_dot = 15.7 kg/s
• B. Q = 0.0314 m^3/s; m_dot = 31.4 kg/s
• C. Q = 0.00785 m^3/s; m_dot = 7.85 kg/s
• D. Q = 0.1 m^3/s; m_dot = 100 kg/s

Answer: (A)