The resultant of all normal pressures acts_________________?

Related Mcqs:

1. For very great pressures, viscosity of moss gases and liquids __________________?

   A. remains same
   B. increases
   C. decreases
   D. shows erratic behaviour
   E. none of the above.

2. The resultant upward pressure of the fluid on an immersed body is called_________________?

   A. upthrust
   B. buoyancy
   C. center of pressure
   D. all the above are correct
   E. none of above is correct

3. 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

4. The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to____________________?

   A. Buoyancy
   B. Equilibrium of a floating body
   C. Archimedes’ principle
   D. Bernoulli’s theorem
   E. Metacentric principle

5. The resultant upward pressure of the fluid on an immersed body is called__________________?

   A. upthrust
   B. buoyancy
   C. center of pressure
   D. all the above are correct
   E. none of above is correct

6. The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called___________________?

   A. upthrust
   B. reaction
   C. buoyancy
   D. metacentre
   E. center of pressure

7. 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

8. The surface tension of mercury at normal temperature compared to that of water is____________________?

   A. more
   B. less
   C. same
   D. more or less depending on size of glass tube
   E. none of the above.

9. The normal stress is same in all directions at a point in a fluid ___________________?

   A. only when the fluid is frictionless
   B. only when the fluid is incompressible and has zero viscosity
   C. when there is no motion of one fluid layer relative to an adjacent layer
   D. irrespective of the motion of one fluid layer relative to an adjacent layer
   E. in case of an ideal fluid

10. Normal depth in open channel flow is the depth of flow corresponding to_______________?

    A. steady flow
    B. unsteady flow
    C. laminar flow
    D. uniform flow
    E. critical flow