GATE ME 2002 | Boundary Layer Question 12 | Fluid Mechanics

GATE ME 2002

MCQ (Single Correct Answer)

-0.3

If $$'x'$$ is the distance measured from the leading edge of a flat plate, then laminar boundary layer thickness varies as

$$1/x$$

$${x^{4/5}}$$

$${x^2}$$

$${x^{1/2}}$$

GATE ME 2002

MCQ (Single Correct Answer)

-0.3

Flow separation in flow past a solid object is caused by

A reduction of pressure to vapour pressure

A negative pressure gradient

A positive pressure gradient

The boundary layer thickness reducing to zero

GATE ME 1994

True or False

-0

The necessary and sufficient condition which brings about separation of boundary layer is
$${{dP} \over {dx}} > 0$$

TRUE

FALSE

GATE ME 1994

True or False

-0

As the transition from laminar to turbulent flow is induced in a cross flow past a circular cylinder the value of the drag coefficient drops.

TRUE

FALSE

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