Non uniform flow occurs when ____________________?
A. the direction and magnitude of the velocity at all points are identical
B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive 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
Hot wire anemometer is used to measure_______________?
A. discharge
B. velocity of gas
C. pressure intensity of gas
D. pressure intensity of liquid
Property of a fluid by which its own molecules are attracted is called ________________?
A. adhesion
B. cohesion
C. viscosity
D. compressibility
E. surface tension
The property of a fluid which enables it to resist tensile stress is known as________________?
A. compressibility
B. surface tension
C. cohesion
D. adhesion
E. viscosity
The specific weight of water is 1000 kg/m” _______________?
A. at norma] pressure of 760 mm
B. at 4°C temperature
C. at mean sea level
D. all the above
E. none of the above.