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Fluid Mechanics

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

Adhesion
Cohesion
Neither A nor B
Both A & B

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Fluid Mechanics
In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is

Increased in the direction of flow
None of these
Constant along a streamline
Not constant along a streamline

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Fluid Mechanics
N²Re/NFr is called the __________ number.

Euler
Archimedes
Brinkman
Galileo

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Fluid Mechanics
The dimension of kinematic viscosity is

L²T⁻¹
ML⁻²T⁻¹
ML⁻²T⁻²
None of these

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Fluid Mechanics
In power law, ζ = A (du/dy)² + B , then the fluid is

Dilatant
Newtonian
Rheopectic
Thixotropic

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Fluid Mechanics
The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation

dq/dx = K/q
dq/dx = K.q
dq/dx = Kq²
dq/dx = K

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