Computational Fluid Dynamics Turbulent Scale Online Exam Quiz
Computational Fluid Dynamics Turbulent Scale GK Quiz. Question and Answers related to Computational Fluid Dynamics Turbulent Scale. MCQ (Multiple Choice Questions with answers about Computational Fluid Dynamics Turbulent Scale
The Reynolds number associated with the smallest scale of motion in the turbulent flow is ____________
Options
A : 0.1
B : 1
C : 10
D : 100
Small eddy scales are called as ___________
Options
A : Batchelor scales
B : Taylor micro-scales
C : Kolmogorov micro-scales
D : Integral length scales
Small-scale eddy motions have ___________
Options
A : does not vary from the energy losses of the large-scale eddy motions
B : the same order of energy losses as the large-scale eddy motions
C : decreased energy losses
D : increased energy losses
When the Reynolds number increases, the difference between the large and small scales ____________
Options
A : increases
B : decreases
C : remains constant
D : cannot be defined
Express the time-scale ratio in terms of Reynolds number (Re).
Options
A : Re-1/4
B : Re3/4
C : Re-1/2
D : Re1/2
What is the relationship between Length-scale ratio and Reynolds number (Re)?
Options
A : Re3/4
B : Re-3/4
C : Re1/2
D : Re-1/2
Which of these is equal to the velocity-scale ratio?
Options
A : Re-3/4
B : Re-1/3
C : Re-1/4
D : Re-2/4
To establish the relationship between turbulent scales and the Reynolds number, which of these methods is used?
Options
A : Statistical averaging
B : Dimensional analysis
C : Weighted averaging
D : Geometric algebra
What do the length, velocity and time-scale ratios mean?
Options
A : The ratio of large-scale and characteristic properties
B : The ratio of small-scale and characteristic properties
C : The ratio of small and large scale eddies
D : The ratio of actual and characteristic properties
The behaviour of large eddies depend on __________
Options
A : Viscosity and time scales
B : Velocity and time scales
C : Time and length scales
D : Velocity and length scales
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