The flow in which each liquid particle has a definite path and their paths do not cross each other is called__________________?

Related Mcqs:

1. In the case of steady flow of a fluid, the acceleration of any fluid particle is________________?

   A. constant
   B. variable
   C. zero
   D. zero under limiting conditions
   E. never zero

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. 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

4. When the flow parameters at any given instant remain same at every point, then flow is said to be___________________?

   A. quasi static
   B. steady state
   C. laminar
   D. uniform
   E. static

5. Critical path moves along the activities having total float of_____________________?

   A. positive value
   B. negative value
   C. zero value
   D. same value
   E. none of the above

6. The critical path of a network represents_______________________?

   A. the minimum time required for completion of project
   B. the maximum time required for completion of project
   C. maximum cost required for completion of project
   D. minimum cost required for completion of project
   E. none of the above

7. The total energy of each particle at various places in the case of perfect incompres sible fluid flowing in continuous sream__________________?

   D. keeps on increasing
   B. keeps on decreasing
   C. remains constant
   D. may increase/decrease
   E. unpredictable

8. 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

9. Ignition quality of diesel-fuel oil is expressed by an index called__________________?

   A. octane number
   B. cetane number
   C. calorific value
   D. carbon content
   E. ignition temperature

10. 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