Which among the following sentences are true for turbulent flow(1) The frictional resistance is proportional to the square of the velocity(2) The frictional resistance is independent of the pressure(3) The frictional resistance is proportional to the density of fluid(4) The frictional resistance slightly varies with temperature(Marks: 02)

• A. sentences (1), (2) and (3) are correct
• B. sentences (2), (3) and (4) are correct
• C. sentences (1), (2) and (4) are correct
• D. all the sentences are correct