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

Related Mcqs:

1. The difference of pressure between the inside and outside of a liquid drop is_____________?

   A.p = Txr
   B.p = T/r
   C. p = T/2r
   D.p = 2T/r
   E. none of the above

2. 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

3. 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

4. In order that flow takes place between two points in a pipeline, the differential pressure between thes^ points must be more than_________________?

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

5. If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is________________?

   A. 2 hours
   B. 3 hours
   C. 4 hours
   D. 5 hours

6. The non-clog pump which permits solid matter to pass out with the liquid sewage, is________________?

   A. Centrifugal pump
   B. Reciprocating pump
   C. Pneumatic ejector
   D. None of these

7. 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

8. 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

9. Resultant pressure of the liquid in the case of an immersed body acts through _________________?

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

10. The vapour pressure over the concave surface is________________?

    A. less man the vapour pressure over the plane surface
    B. equal to the vapour pressure over the plane surface
    C. greater than the vapour pressure over the plane surface
    D. zero
    E. none of the above