Which of the following is dimensionless ________________?

Related Mcqs:

The normal stress in a fluid will be constant in all directions at a point only if_________________?

A. it is incompressible B. it has uniform viscosity C. it has zero viscosity D. it is frictionless E. it is at rest....

Falling drops of water become spheres due to the property of ________________?

A. adhesion B. cohesion C. surface tension D. viscosity E. compressibility...

The units of viscosity are__________________?

A. metres2 per sec B. kg sec/metre C. newton-sec per metre2 D. newton-sec per metre E. none of the above...

Euler’s dimensionless number relates the following_______________?

A. inertial force and gravity B. viscous force and inertial force C. viscous force and buoyancy force D. pressure force and inertial force E. pressure force and viscous force...

The flow in which each liquid particle has a definite path and their paths do not cross each other is called____________________?

A. one dimensional flow B. uniform flow C. steady flow D. turbulent flow E. streamline flow...