# The fluid forces considered in the Navier Stokes equation are__________________?

**A. gravity, pressure and viscous**

B. gravity, pressure and turbulent

C. pressure, viscous and turbulent

D. gravity, viscous and turbulent

E. none of the above…

**A. gravity, pressure and viscous**

B. gravity, pressure and turbulent

C. pressure, viscous and turbulent

D. gravity, viscous and turbulent

E. none of the above…

**A. less than 2000**

B. between 2000 and 4000

C. more than 4000

D. less than 4000

E. none of the above…

A. maximum

B. minimum

C. zero

**D. non-zero finite**

E. unpredictable…

A. energy

B. work

C. mass

**D. length**

E. time…

A. resultant force acting on a floating body

B. equal to the volume of liquid displaced

C. force necessary to keep a body in equilibrium

**D. the resultant force on a body due to the fluid surrounding it**

E. none of the above…

A. 900 minutes

B. 4 minutes

C. 4 x (225)3/2 minutes

D. 4 (225)1/3 minutes

**E. 4 x V225 minutes**…

A. steady flow

B. unsteady flow

C. laminar flow

**D. uniform flow**

E. critical flow…

A. unity

B. greater than unity

C. greater than 2

**D. greater than 4**

E. greater than 10…

**A. adhesion**

B. cohesion

C. viscosity

D. compressibility

E. surface tension…

A. surface tension

B. capillarity

**C. viscosity**

D. shear stress in fluids

E. buoyancy…

A. pressure in pipes, channels etc.

**B. atmospheric pressure**

C. very low pressure

D. difference of pressure between two points

E. rain level…