Bernoulli equation deals with the law of conservation of:
A. mass
B. momentum
C. energy
D. work
Cavitation is caused by:
A. high velocity
B. high pressure
C. weak material
D. low pressure
Hydrometer is used to determine :
A. specific gravity of liquids
B. specific gravity of solids
C. specific gravity of gases
D. relative humidity
The upper surface of a weir over which water flows is known is :
A. crest
B. nappe
C. sill
D. weir top
In a free vortex motion, the radial component of velocity everywhere is :
A. maximum
B. minimum
C. zero
D. non-zero
General energy equation holds for :
A. steady flow
B. turbulent flow
C. laminar flow
D. non-uniform flow
The flow which neglects changes in a transverse direction is known as :
A. one dimensional flow
B. uniform flow
C. steady flow
D. turbulent flow
Flow occurring in a pipeline when a valve is being opened is :
A. steady
B. unsteady
C. laminar
D. vortex
For measuring flow by a venturimeter, if should be installed in :
A. vertical line
B. horizontal line
C. inclined line with flow downward
D. In any direction and in any location
An ideal flow of any fluid must satisfy :
A. Pascal law
B. Newton’s law of viscosity
C. boundary layer theory
D. continuity equation