What is fluid viscosity?
A Fluid resistance
B Flow speed
C Flow rate
D Fluid density
What is the Reynolds number used for?
A To calculate pressure
B To predict flow
C To measure velocity
D To calculate density
What is laminar flow?
A Chaotic flow
B Irregular flow
C Smooth flow
D High-speed flow
What does Bernoulli’s principle apply to?
A Energy conservation
B Fluid pressure
C Flow velocity
D Fluid density
What is the main use of a manometer?
A Measure density
B Measure pressure
C Measure velocity
D Measure flow rate
What does the continuity equation describe?
A Energy loss
B Pressure distribution
C Mass conservation
D Velocity change
What does a Venturimeter measure?
A Flow rate
B Fluid density
C Pressure difference
D Fluid velocity
What is the effect of high viscosity on fluid flow?
A Increases flow rate
B Decreases flow rate
C Increases turbulence
D No effect
What does “All of the above” refer to in this context?
A Velocity
B Pressure
C Viscosity
D All of the above
What is the main cause of water hammer?
A Fluid density
B Fluid temperature
C Sudden valve closure
D Low temperature
What is a boundary layer?
A Fluid layer near surface
B Low-speed region
C High-pressure region
D Turbulent flow zone
What does CFD stand for?
A Circular Flow Dynamics
B Convection Fluid Dynamics
C Computational Fluid Dynamics
D Compressible Fluid Dynamics
What is cavitation?
A Pressure drop
B Vapor bubble formation
C Flow acceleration
D Fluid compression
What is an orifice used for?
A Measure pressure
B Measure velocity
C Measure flow rate
D Measure density
What does drag force depend on?
A Fluid velocity
B Object size
C Fluid viscosity
D All of the above