Oil of specific gravity 0.82 is pumped through a horizontal pipeline 150 mm in diameter and 3 km long at the rate of ` 0.015 m^3/s`. The pump has an efficiency of 68% and requires 7.5 kW to pump the oil. (i) What is the dynamic viscosity of the oil? (ii) Is the flow laminar?

A lubricating oil of viscosity 1 poise and specific gravity 0.9 is pumped through a 30 mm diameter pipe. If the pre…

In a pipe of 300 mm diameter, the maximum velocity of flow is found to be 2 m/s. If the flow is laminar,find:the average…

A total of 12 litres per second of oil is pumped through two pipes in parallel, one 12 cm in diameter and the other 10 c…

An oil of viscosity `0.15 (Ns)/m^2` and specific gravity 0.9 is flowing through a circular pipe of diameter 30 mm and of…

A fluid of viscosity `8 `poise and specific gravity `1.2` is flowing through a circular pipe of diameter ` 100 `mm. The …

A crude oil of viscosity `0.9` poise and relative density `0.9` is flowing through a horizontal circular pipe of diamete…

 An oil of viscosity 9 poise and specific gravity 0.9 is flowing through a horizontal pipe of 60 mm diameter. If th…

 A pipe 60 mm diameter and 450 m long slopes upwards at 1 in 50. An oil of viscosity `0.9 (Ns)/m^2` and specific gr…