**471. The dimensions of the coefficient of viscosity are_____________?**

**A. ML-1T-1**

B. M2L1T1

C. ML1T-1

D. M2L-1T-1

**472. Terminal velocity is_____________?**

A. Uniform

B. Maximum

**C. Uniform and maximum**

D. Neither uniform nor maximum

**473. When the body moves with terminal velocity the acceleration in the body become_____________?**

**A. 0**

B. Maximum

C. Variable

D. Infinite

**474. Terminal velocity is given by equation_______________?**

A. Vt = gr2ρ

**B. Vt = 2gr2/9ρ**

C. Vt = gr2/9ρ

D. Vt = 9gr2/2ρ

**475. Terminal velocity of the body is directly proportional to the_______________?**

A. The radius of the body

B. The diameter of the body

C. Size of the body

**D. Square of the diameter of the body**

**476. The flow of ideal fluid is always_______________?**

A. Turbulent

**B. Streamline**

C. Irregular

D. Straight line

**477. The drag force is given by_________________?**

A. Newtons law

B. Pascals law

C. Gauss law

**D. Stokes law**

**478. When fluid is incompressible then________________?**

A. The velocity of the fluid is constant

B. The flow of the fluid is the straight line

**C. The density of the fluid is constant**

D. The volume of the fluid is constant

**479. Irregular flow of fluid is called_______________?**

A. Streamline

**B. Turbulent**

C. Uniform

D. Laminar

**480. According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to_______________?**

**A. Flow rate**

B. Volume of fluid

C. Mass of fluid

D. The density of the fluid