If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is__________________?

Related Mcqs:

1. For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be_________________?

   A. 300
   B. 337.5
   C. 600
   D. 675

2. If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is________________?

   A. less than 1
   B. between 1 and 100
   C. 160
   D. 200

3. A fluid of kinematic viscosity 0.4 cm2/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be__________________?

   A. less than 1 m/sec
   B. 1 m/sec
   C. 1.5 m/sec
   D. 2 m/sec

4. The discharge of a liquid of kinematic viscosity 4 cm2/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is__________________?

   A. laminar flow
   B. transition flow
   C. turbulent flow
   D. not predictable from the given data

5. The unit of kinematic viscosity is_______________?

   A. gm/cm-sec2
   B. dyne-sec/cm2
   C. gm/cm2-sec
   D. cm2/sec

6. An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be________________?

   A. 4 kN/m2
   B. 10 kN/m2
   C. 12 kN/m2
   D. 14 kN/m2

7. In steady flow of a fluid, the total accele ration of any fluid particle______________?

   A. can be zero
   B. is never zero
   C. is always zero
   D. is independent of coordinates

8. The eddy viscosity for turbulent flow is______________?

   A. a function of temperature only
   B. a physical property of the fluid.
   C. dependent on the flow
   D. independent of the flow

9. The viscosity of a gas_______________?

   A. decreases with increase in temperature
   B. increases with increase in temperature
   C. is independent of temperature
   D. is independent of pressure for very high pressure intensities

10. Newton’s law of viscosity relates________________?

    A. intensity of pressure and rate of angular deformation
    B. shear stress and rate of angular deformation
    C. shear stress, viscosity and temperature
    D. viscosity and rate of angular deformation