Quesion.2 ( Multiple choice part + conversion factor) The pressure drop in a duc

Question

Quesion.2 ( Multiple choice part + conversion factor)

The pressure drop in a duct is measured by a differential oil manometer. If the differential height between the two fluid columns is 3.2 cm and the specific gravity of oil is 0.86, the pressure drop in the duct is 28 Pa 135 Pa 270 Pa 482 Pa 760 Pa A process during which the pressure p remains constant Isothermal process Isometric process Isochoric process Isobaric process none of the above Determine the conversion factor, C, for each relationship below, and determine the physical property that the units belongs to.

Explanation / Answer

1f)

dgh=0.86*1000*9.81*3.2*10^-2

=270 Pa

OPTION c

1g)

option D isobaric process

1f)

1 btu = 1055.055 J Energy

1 hp =746 W Power

1 ft^2=0.0929 m^2 area

1 kgf=9.80665 N Force

1 torr = 133.324 Pa presssure

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