U$3\mathrm{.}3$ Water at a temperature of $10C$ flows through a pipe with an internal diameter of $150mm$ with a mean velocity of $5\mathrm{.}5m*s^{-1}.$ Is this flow laminar or turbulent?

Result: The value of the Reynolds number is $6\mathrm{.}30*{10}^5$ and therefore the flow is turbulent.