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Chemical Engineering :: Fluid Mechanics

  1. Curve III in the above diagram represents a/an

  2. A.

     Dilatent fluid

    B.

     Pseudo plastic fluid

    C.

     Ideal plastic

    D.

     None of these


  3. A hydraulic ram acts as a/an __________ pump.

  4. A.

     Centrifugal

    B.

     Reciprocating

    C.

     Impulse

    D.

     Parallel cylinder


  5. The capacity of an accumulator is the maximum

  6. A.

     Energy which it can store

    B.

     Discharge which it can deliver

    C.

     Liquid which it can store

    D.

     None of these


  7. The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation

  8. A.

     dq/dx = K

    B.

     dq/dx = K.q

    C.

     dq/dx = K/q

    D.

     dq/dx = Kq²


  9. What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately?

  10. A.

     0.003

    B.

     0.01

    C.

     0.1

    D.

     0.3


  11. For an unstable equilibrium of a floating body (where, M = metacentre.)

  12. A.

     M is above G

    B.

     M is below G

    C.

     M & G coincide

    D.

     None of these


  13. Drag force acting on a body does not depend upon the

  14. A.

     Density of the fluid

    B.

     Density of the body

    C.

     Velocity of the body

    D.

     Projected area of the body


  15. For an incompressible fluid, the bulk modulus of elasticity is

  16. A.

     5 kg/m³

    B.

     ∞ N/m²

    C.

     1 N

    D.

     0 N/m


  17. Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer.

  18. A.

     U-tube water

    B.

     U-tube mercury

    C.

     Inclined tube mercury

    D.

     Inclined tube water


  19. A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.

  20. A.

     Newtonion

    B.

     Non-Newtonion

    C.

     Ideal

    D.

     Incompressible