The region between the separation streamline and the boundary surface of the solid body is known as__________________?

Related Mcqs:

1. A streamline is defined as the line________________?

   A. parallel to central axis flow
   B. parallel to outer surface of pipe
   C. of equal yelocity in a flow
   D. along which the pressure drop is uniform
   E. which occurs in all flows

2. A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is____________________?

   A. 9,000 kg
   B. 13,500 kg
   C. 18,000 kg
   D. 27,000 kg
   E. 30,000 kg

3. Sublimation region is the region where__________________?

   A. solid and vapour phases are in equi-librium
   B. solid and liquid phases are in equilibrium
   C. liquid and vapour phases are in equilibrium
   D. solid, liquid and vapour phases are in equilibrium
   E. none of the above

4. Mercury does not wet glass. This is due to property of liquid known as__________________?

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

5. Ratio of inertia force to elastic force is known as__________________?

   A. Mach number
   B. Froude number
   C. Reynold’s number
   D. Weber’s number
   E. none of the above

6. The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as__________________?

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

7. If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be_________________?

   A. 2 meters of water column
   B. 3 meters of water column
   C. 5 meters of water column
   D. 6 meters of water Column
   E. 7 meters of water column

8. The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be __________________?

   A. 2 metres of water column
   B. 3 metres of water column
   C. 3.5 metres of water column
   D. 4 m of water column
   E. none of the above

9. Surface energy per unit area of a surface is numerically equal to _____________________?

   A. atmospheric pressure
   B. surface tension
   C. force of adhesion
   D. force of cohesion
   E. viscosity

10. The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be ________________?

    A. 500 kg
    B. 1000 kg
    C. 1500 kg
    D. 2000 kg
    E. 4000 kg