Irregular flow of fluid is called_______________?

A. Streamline
B. Turbulent
C. Uniform
D. Laminar

The equation of continuity is obtained by applying in the law of conservation of_____________?

A. Mass
B. Energy
C. Momentum
D. All

Terminal velocity is given by equation_______________?

A. Vt = gr2ρ
B. Vt = 2gr2/9ρ
C. Vt = gr2/9ρ
D. Vt = 9gr2/2ρ

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 flow of ideal fluid is always_______________?

A. Turbulent
B. Streamline
C. Irregular
D. Straight line

The drag force is given by_________________?

A. Newtons law
B. Pascals law
C. Gauss law
D. Stokes law

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

If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is________________?

A. At the highest point
B. At the lowest point
C. At any point during motion
D. At the point where gravity is not acting

Moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R, the ratio of displacement to the covered path will be_______________?

A. Πr
B. 2πr
C. 0
D. 4πr

A man of weight W is standing on an elevator which is ascending with an acceleration a. The apparent weight of the man is_______________?

A. Mg
B. Mg – ma
C. Mg + ma
D. Mg – ma