Crude oil flows through a level section of the alaskan pipeline at a rate of 1.6 million barrels per day (1 barrel = 42 gal). the pipe inside diameter is 48in.; its roughness is equivalent to galvanized iron. the maximum allowable pressure is 1200 psi; the minimum pressure required to keep dissolved gases in solution in the crude oil is 50 psi. the crude oil has a specific gravity of 0.93, and a viscosity of 3.5 x 10-4 lbf. s/ft2 at its pumping temperature.

the movement of aircraft through clouds can even cause lightning strikes. a single lightning event is a "flash", which is a complex, multi-stage explosively ejected.

explanation:

and the person below goggled it.

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on passing the small ampere of electric current through the tube made of ar and hg of cfl generates uv rays which excites the fluorescent and thus emits the high radiation by consumption of just 5- 12 w in comparison to incandescent light which requires more power such as around 40 - 55 w to lighten.

moreover the life span of fluorescent or cfl is around 8000 h whereas the life span of incandescent is around 1200 h

hence, the building installed with incandescent lights bears more electricity bill.