Pitot tube is used for measurement of_________________?
A. pressure
B. flow
C. velocity
D. dsscharge
E. viscosity
Month: January 2019
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to_________________?
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
E. h3/1
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 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
E. none of the above
A streamline is defined as the line________________?
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
E. which occurs in all flows
Flow occurring in a pipeline when a valve is being opened is________________?
Flow occurring in a pipeline when a valve is being opened is________________?
A. steady
B. unsteady
C. laminar
D. vortex
E. rotational
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as________________?
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
E. streamline flow
The flow in which each liquid particle has a definite path and their paths do not cross each other is called__________________?
The flow in which each liquid particle has a definite path and their paths do not cross each other is called__________________?
A. one dimensional flow
B. uniform flow
C. steady flow
D. turbulent flow
E. streamline flow
Steady flow occurs when___________________?
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
E. velocity, depth, pressure, etc. change from point to point in the fluid flow
Uniform flow occurs when ___________________?
Uniform flow occurs when ___________________?
A. the flow is steady
B. the flow is streamline
C. size and shape of the cross section in a particular length remain constant
D. size and cross section change uniformly along length
E. flow occurs at constant fate
Non uniform flow occurs when_________________?
Non uniform 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 aricf 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
E. velocity, depth, pressure, etc. change from point to point in the fluid flow