In continuous fluidisation_________________?

Related Mcqs:

1. Bernoulli’s equation for steady, frictionless, continuous flow states that the ______________ at all sections is same?

   A. Total pressure
   B. Total energy
   C. Velocity head
   D. None of these

2. Pressure drop in packed bed for turbulent flow is given by the ______________ equation?

   A. Kozeny-Carman
   B. Blake-Plummer
   C. Leva’s
   D. Hagen-Poiseuille’s

3. In case of a pipe exit fitted with a nozzle, the____________________?

   A. Conversion of kinetic head to pressure head is facilitated
   B. Conversion of pressure head to kinetic head is facilitated
   C. Power transmitted through the nozzle is maximum, when the head lost due to friction in the
   pipe is equal to one third of the total supply head
   D. Both B. and C.

4. The energy loss over a length of pipeline according to Darcy-Weisbach equation for pipe flow is _______________ the mean velocity of flow?

   A. Directly proportional to
   B. Directly proportional to square of
   C. Inversely proportional to
   D. Inversely proportional to square of

5. The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the ?

   A. Length is shorter
   B. Throat diameter is more
   C. Sudden expansion of flow in the downstream occurs
   D. Distance between the throat and the inlet is more

6. ____________ flow means the flow of incompressible fluid with no shear ?

   A. Potential
   B. Streamline
   C. Creep
   D. Boundary layer

7. Drag co-efficient CD, in Stoke’s law range is given by________________?

   A. CD = 16/Re.p
   B. CD = 24/Re.p
   C. CD = 18.4/Re.p
   D. CD = 0.079/Re
   0.25.p

8. The contraction co-efficient for Borda’s mouthpiece (for frictionless fluid) is__________________?

   A. 0.1
   B. 0.5
   C. 0.94
   D. 1

9. Propeller type centrifugal pumps are most suitable for__________________?

   A. High capacity at high heads
   B. High capacity at low heads
   C. Low capacity at high heads
   D. Low capacity at low heads

10. One dimensional flow implies________________________?

    A. Flow in a straight line
    B. Steady uniform flow
    C. Unsteady uniform flow
    D. A flow which does not account for changes in transverse direction