1
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Within a boundary layer for a steady incompressible flow, the Bernoulli equation
A
holds because the flow is steady
B
holds because the flow is incompressible
C
holds because the flow is transitional
D
does not hold because the flow is frictional
2
GATE ME 2007
MCQ (Single Correct Answer)
+1
-0.3
Consider an incompressible laminar boundary layer flow over a flat plate of length $$L$$, aligned with the direction of an incoming uniform free stream. If $$F$$ is the ratio of the drag force on the front half of the plate to the drag force on the rear half, then
A
$$F < {\raise0.5ex\hbox{$\scriptstyle 1$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 2$}}$$
B
$$F = {\raise0.5ex\hbox{$\scriptstyle 1$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 2$}}$$
C
$$F=1$$
D
$$F>1$$
3
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
$${x^{1/2}}$$
4
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
GATE ME Subjects
Turbo Machinery
EXAM MAP