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Fluid Mechanics

Fluid Mechanics
What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate?

1.5
0.5
1
2

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Fluid Mechanics
Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is

Q/8
Q/2
Q/16
Q/4

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Fluid Mechanics
Toothpaste is a

Bingham plastic
Newtonion liquid
Pseudoplastic
Dilatent

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Fluid Mechanics
The __________ is measured by a piezometric opening.

Total pressure
Dynamic pressure
Static pressure
Point velocity

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Fluid Mechanics
Unit of mass velocity is

Kg/m². hr
Kg/m³. hr
Kg/m²
Kg/hr

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Fluid Mechanics
Rise of liquid in a capillary tube is due to

Adhesion
Neither A nor B
Both A & B
Cohesion

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MORE MCQ ON Fluid Mechanics

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