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This mock test of Test: Viscous Flow - 1 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam.
This contains 10 Multiple Choice Questions for Mechanical Engineering Test: Viscous Flow - 1 (mcq) to study with solutions a complete question bank.
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QUESTION: 1

The flow of fluid through a pipe is laminar when

Solution:

QUESTION: 2

An oil of kinematic viscosity 0.5 stokes flows through a pipe of 4 cm diameter. The flow is critical at a velocity of about

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QUESTION: 3

In flow through a pipe, the transition from laminar to turbulent flow does not depend on

Solution:

Transition depends on Reynolds number Reynolds number depends on velocity, diameter, dynamic/kinematic viscosity

QUESTION: 4

The equations of motion for a viscous fluid are known as

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QUESTION: 5

In the Navier-Stokes equations, the forces considered are

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QUESTION: 6

Navier-Stoke’s equation represents the conservation of

Solution:

Navier-stokes equations represent the conservation of momentum, are equation of motion for viscous fluid and consider combination of gravity, pressure and viscous forces.

QUESTION: 7

For laminar flow between two fixed parallel plates, the flow velocity

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QUESTION: 8

The maximum velocity of a one-dimensional incompressible flow between two fixed parallel plates is 5 m/s. The mean velocity (in m/s) of the flow is

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QUESTION: 9

The shear stress between two fixed parallel plates with a laminar flow between them

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QUESTION: 10

Velocity for flow through a pipe, measured at the center is found to be 3 m/s. If the Reynolds number is around 1000, what is the average flow velocity in the pipe?

Solution:

### VISCOUS INCOMPRESSIBLE FLOW

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### Viscous Flow Through Pipes

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### Recap: Viscous Incompressible Flow

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### Viscous Flow in Circular Pipes

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