Question 7 Which of the following is true about Friction Factor? Choose all that apply. Friction factor tends to be higher for turbulent flows. Friction factor old steel pipe > Friction factor new steel pipe (given the same diameter and fluid). Friction factor is used to determine minor losses. Friction factor for laminar flows is (64 / Re).

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Q: Give proper explanation for the selected option

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Time and time related variables in engineering

Time is the event progression starting from past to present and then, future statistically. The time-related variable is any particular value in relation to time to assess its changes on a specified (XY) plane.