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Fluid Mechanics

Fluid Mechanics
What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately?

0.3
0.01
0.1
0.003

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Fluid Mechanics
The ratio of inertial forces to elastic forces is called the __________ number.

Weber
Mach
Reynolds
Euler

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Fluid Mechanics
For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of

2
>2
43832

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Fluid Mechanics
The equivalent diameter for flow through a rectangular duct of width B and height H is

2HB/(H + B)
HB/(H + B)
4HB/(H + B)
HB/2(H + B)

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Fluid Mechanics
Rubber latex is an example of a __________ .fluid.

Newtonion
Bingham plastic
Dilatent
Pseudoplastic

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Fluid Mechanics
__________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm².

Piston
Centrifugal
Vane
Plunger

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