Boundary layer thickness is the distance from the boundary to the poin – McqOptions

MCQOPTIONS

1.	Boundary layer thickness is the distance from the boundary to the point where velocity of the fluid is
A.	equal to 10% of free stream velocity
B.	equal to 50% of free stream velocity
C.	equal to 90% of free stream velocity
D.	equal to 99% of free stream velocity
Answer» E.

Discussion

No Comment Found

Related MCQs

Which of the following sentences are true for Bernoulli's equation? 1. Bernoulli's principle is applicable to ideal incompressible fluid 2. The gravity force and pressure forces are only considered in Bernoulli's principle 3. The flow of fluid is rotational for Bernoulli's principle 4. The heat transfer into or out of fluid should be zero to apply Bernoulli's principle 
Which of the following devices does not use Bernoulli's equation as its working principle?
The cylindrical portion of short length, which connects converging and diverging section of venturimeter, is called as 
Shear stress in a turbulent flow is given by the formula  τ = η (du / dy) Where η (eta) is, 
Magnitude of eddy viscosity for laminar flow is 
Kinematic eddy viscosity (ε) is the ratio of 
Friction factor for laminar flow is given by 
What is temporal mean velocity? 
The friction factor in fluid flowing through pipe depends upon 
What is the effect of change in Reynold's number on friction factor in turbulent flow?