Explore topic-wise MCQs in Fluid Mechanics.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

The velocity profile of the Couette flow is _______

A. Quadratic
B. Constant
C. Linear
D. Zero
Answer» D. Zero
2.

Which among the following cannot be used as an alternative term for a “solenoidal vector field”?

A. Incompressible vector field
B. Divergence- free vector field
C. Transverse vector field
D. Continuous random field
Answer» E.
3.

THE_VELOCITY_PROFILE_OF_THE_COUETTE_FLOW_IS________?$

A. Quadratic
B. Constant
C. Linear
D. Zero
Answer» D. Zero
4.

What is the incompressibility condition in Navier-Stokes equation?

A. ‚àá.u=0
B. ‚àá.u>0
C. ‚àá.u<0
D. ‚àá.u=1
Answer» B. ‚Äö√Ñ√∂‚àö‚Ć‚àö¬∞.u>0
5.

What are the Newtonian constitutive assumptions regarding relationship between stress tensor and velocity gradients?

A. Linear and isotropic
B. Constant
C. Linear
D. Non-Uniform
Answer» B. Constant
6.

What is the velocity profile for Poiseuille flow?

A. Zero
B. Constant
C. Linear
D. Quadratic
Answer» E.
7.

Which among the following is not an example of magneto fluids?

A. Plasma
B. Liquid metals
C. Salt water
D. Alcohol
Answer» E.
8.

The Navier- Stokes equation can be used in which of the following applications?

A. Automobiles
B. Ocean Currents
C. Airplanes
D. Thermometer
Answer» C. Airplanes
9.

Which among the following cannot be used as an alternative term for a “solenoidal vector field”?$

A. Incompressible vector field
B. Divergence- free vector field
C. Transverse vector field
D. Continuous random field
Answer» E.
10.

Continuum mechanics is a branch of mechanics that deals with________

A. Fluid particles
B. Discrete particles
C. Kinematics and mechanical behaviour
D. Hydrostatic Pressure
Answer» D. Hydrostatic Pressure
11.

Froude number depends upon_________

A. Flow velocity, external field and characteristic length
B. Flow velocity and mass
C. Mass flow rate and volume
D. Characteristic length and volume
Answer» B. Flow velocity and mass
12.

Navier- Stokes equation describes the motion of __________

A. Solid substance
B. Non-viscous fluid
C. Viscous fluid
D. Gas
Answer» D. Gas