Which of the following is NOT a type of force considered in the Navier-Stokes equation?

Gravity force

Pressure force

Surface tension force

Viscous force

Which of the following equations is a result of momentum conservation for inviscid steady flows?

Bernoulli’s equation

Navier-Stokes equation

First law of thermodynamics

Euler’s equation

The Bernoulli’s equation in fluid dynamics is valid for

Compressible flows

Transient flows

Continuous flows

Viscous flows

22.4 m

22.6 m

20.4 m

20.6 m

4 m/s

2 m/s

20 m/s

40 m/s

Navier-Stokes equation

Euler’s equation

Bernoulli’s equation

Reynolds equation

What does a pitot tube measure? What is its working principle?

Pressure; Bernoulli’s principle

Velocity; Bernoulli’s principle

Pressure; Euler’s equation

Velocity; Euler’s equation

True

False

A point in a fluid flow where the flow has come to rest is called

Pressure point

Initial point

Flow point

Stagnation point

When a fluid is subjected to resistance, it undergoes a volumetric change due to

Strain

Cohesion

Adhesion

Compressibility

What is the formula to find the kinematic viscosity of a fluid?

(Dynamic viscosity) * Temperature

(Dynamic viscosity)/Density

1/(Dynamic viscosity)

Density/(Dynamic viscosity)

A one-dimensional flow is also called

A steady flow

A flow which involves zero transverse component

Uniform flow

Zig-zag flow

What is the resultant upward pressure of a fluid on an immersed body called?

Buoyancy

Metacentre

Upthrust

Reaction pressure

Specific density

Specific weight

Specific gravity

Specific mass

When is a fluid said to be ideal?

Non-viscous and incompressible

Viscous and compressible

Viscous and Incompressible

Incompressible