Q1: Which one of the following statements is true ?

ANS:D - all the above.

The practical value of kinetic energy correction factor for turbulent flow is unity. In practical hydraulic engineering applications, the kinetic energy correction factor for turbulent flow is often assumed to be approximately unity. This assumption simplifies calculations and is generally acceptable for many engineering purposes. The other statements are not accurate:

• The value of the kinetic energy correction factor for turbulent flow does not typically lie between 1.03 to 1.06. This range is not commonly used for turbulent flow corrections.
• The value of the kinetic energy correction factor for laminar flow is not 2. The correct value for laminar flow depends on the specific conditions and geometry of the flow, but it is not fixed at 2.