1
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
If $$'x'$$ is the distance measured from the leading edge of a flat plate, then laminar boundary layer thickness varies as
A
$$1/x$$
B
$${x^{4/5}}$$
C
$${x^2}$$
D
$${x^{1/2}}$$
2
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
Flow separation in flow past a solid object is caused by
A
A reduction of pressure to vapour pressure
B
A negative pressure gradient
C
A positive pressure gradient
D
The boundary layer thickness reducing to zero
3
GATE ME 1994
True or False
+1
-0
The necessary and sufficient condition which brings about separation of boundary layer is
$${{dP} \over {dx}} > 0$$
A
TRUE
B
FALSE
4
GATE ME 1994
True or False
+1
-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.
A
TRUE
B
FALSE
GATE ME Subjects
Turbo Machinery
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Graduate Aptitude Test in Engineering
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