A. Milk
B. Water
C. Charcoal
D. Water
✅ The correct answer is option D.
Fluid Dynamics MCQs
The dimensions of the coefficient of viscosity are
A. ML-1T-1
B. M2L1T1
C. ML1T-1
D. M2L-1T-1
✅ The correct answer is option A.
Terminal velocity is
A. Uniform
B. Maximum
C. Uniform and maximum
D. Neither uniform nor maximum
✅ The correct answer is option C.
When the body moves with terminal velocity the acceleration in the body become
A. 0
B. Maximum
C. Variable
D. Infinite
✅ The correct answer is option A.
Terminal velocity is given by equation
A. Vt = gr2ρ
B. Vt = 2gr2/9ρ
C. Vt = gr2/9ρ
D. Vt = 9gr2/2ρ
✅ The correct answer is option B.
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
✅ The correct answer is option D.
The flow of ideal fluid is always
A. Turbulent
B. Streamline
C. Irregular
D. Straight line
✅ The correct answer is option B.
The drag force is given by
A. Newtons law
B. Pascals law
C. Gauss law
D. Stokes law
✅ The correct answer is option D.
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
✅ The correct answer is option C.
Irregular flow of fluid is called
A. Streamline
B. Turbulent
C. Uniform
D. Laminar
✅ The correct answer is option B.