The difference of pressure between the inside and outside of a liquid drop is _______________?

Related Mcqs:

1. For a body floating in a liquid the normal pressure exerted by the liquid acts at ____________________?

   A. bottom surface of the body
   B. e.g. of the body
   C. metacentre
   D. all points on the surface of the body
   E. all of the above

2. A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is___________________?

   A. 400 kg/cm2
   B. 4000 kg/cm2
   C. 40 x 105 kg/cm2
   D. 40 x 106 kg/cm2
   E. none of the above

3. In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than_______________?

   A. frictional force
   B. viscosity
   C. surface friction
   D. all of the above
   E. none of the above

4. Increase in pressure at the outer edge of a drum of radius R due to rotation at corad/sec, full of liquid of density p will be___________________?

   A. pco2/?2
   B. pco2/?2/2
   C. 2pa2R2
   D. pa2R/2
   E. none of the above

5. If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be________________?

   A. h
   B. wh
   C. w/h
   D. h/w
   E. h/wh

6. The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as_________________?

   A. meta center
   B. center of pressure
   C. center of buoyancy
   D. center of gravity
   E. none of the above

7. Resultant pressure of the liquid in the case of an immersed body acts through____________________?

   A. centre of gravity
   B. centre of pressure
   C. metacentre
   D. centre of buoyancy
   E. in between e.g. and centre of pressure

8. The property by virtue of which a liquid opposes relative motion between its different layers is called_________________?

   A. surface tension
   B. co-efficient of viscosity
   C. viscosity
   D. osmosis
   E. cohesion

9. 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

10. The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if___________________?

    A. the area is horizontal
    B. the area is vertical
    C. the area is inclined
    D. all of the above
    E. none of the above