A large Roynold number is indication of________________?

A. smooth and streamline flow
B. laminar flow
C. steady flow
D. turbulent flow

The equation of continuity holds good when the flow____________________?

A. Is steady
B. Is one dimensional
C. Velocity is uniform at all the cross sections
D. All of the above

The total energy of each particle at various places in the case of perfect incompres sible fluid flowing in continuous sream__________________?

D. Keeps on increasing
B. Keeps on decreasing
C. Remains constant
D. May increase/decrease

Pitot tube is used for measurement of_________________?

A. Pressure
B. Flow
C. Velocity
D. Dsscharge

The velocity of jet of water travelling out of opening in a tank filled with water is proportional to_________________?

A. Head of water (h)
B. H2
C. V/t
D. H2

A streamline is defined as the line________________?

A. Parallel to central axis flow
B. Parallel to outer surface of pipe
C. Of equal yelocity in a flow
D. Along which the pressure drop is uniform

A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?

A. 0.5
B. 0.4
C. 0.515
D. 0.5

Flow occurring in a pipeline when a valve is being opened is________________?

A. Steady
B. Unsteady
C. Laminar
D. Vortex

The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as________________?

A. One dimensional flow
B. Uniform flow
C. Steady flow
D. Turbulent flow

Steady flow occurs when___________________?

A. The direction and magnitude of the velocity at all points are identical
B. The velocity of successive fluid particles, at any point, is the same at successive periods of time
C. The magnitude and direction of the velocity do not change from point to point in the fluid
D. The fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane