One leg of mercury u-tube manometer is connected to a pipe containing water under a pressure of 120kpa. the mercury in this leg stands 0.5m below water and the mercury in other leg is open to air. specific gravity of mercury is 13.6 and density of water is 1000kg/ m^3 . the height of mercury in open leg is approximately

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false

Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk