The dimension of kinematic viscosity is_________________?

Related Mcqs:

1. Dimension of kinematic viscosity is_____________________?

   A. MLT-1
   B. L2T-1
   C. L2T
   D. L2T-2

2. Dimension of absolute viscosity is_________________?

   A. ML-1T-1
   B. MLT-1
   C. ML-1T
   D. MLT

3. What is the unit of kinematic viscosity in SI unit ?

   A. M2/sec
   B. N/m2. sec
   C. Kg. sec/m
   D. None of these

4. The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10-6m2/s) ?

   A. 24000
   B. 24
   C. 0.24
   D. 0.44

5. The dimension of dynamic viscosity is__________________?

   A. ML-1T-1
   B. L2T-1
   C. LT-2
   D. ML-1T-2

6. As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, μ = fluid viscosity) ?

   A. 1/μ
   B. μ
   C. μ2
   D. 1/μ2

7. A gas (density = 1.5 kg/m3, viscosity = 2 × 10‒5 kg/m.s) flowing through a packed bed (particle size = 0.5 cm, porosity = 0.5) at a superficial velocity of 2 m/s causes a pressure drop of 8400 Pa/m. The pressure drop for another gas, with density of 1.5 kg/m3and viscosity of 3 × 10‒5kg/m.s flowing at 3 m/s will be________________?

   A. 8400 Pa/m
   B. 12600 Pa/m
   C. 18900 Pa/m
   D. 16800 Pa/m

8. Which of the following is not a dimension-less parameter ?

   A. Pressure-co-efficient
   B. Froude number
   C. Kinematic viscosity
   D. Weber number

9. Which of the following is not a dimension-less parameter ?

   A. Euler number
   B. Specific gravity
   C. Fanning friction factor
   D. None of these

10. The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is___________________?

    A. √(HW/π)
    B. HW/2 (H + W)2
    C. HW/4 (H + W)2
    D. 2HW/(H + W)