1
GATE ME 2016 Set 3
MCQ (Single Correct Answer)
+1
-0.3
Grashof number signifies the ratio of
A
inertia force to viscous force
B
buoyancy force to viscous force
C
buoyancy force to inertia force
D
inertial force to surface tension force
2
GATE ME 2015 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The ratio of momentum diffusivity $$\left( \upsilon \right)$$ to thermal diffusivity $$\left( \alpha \right),$$ is called
A
Prandtl number
B
Nusselt number
C
Biot number
D
Lewis number
3
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In the laminar flow of air $$(Pr=0.7)$$ over a heated plate, if $$\delta $$ and $${\delta _T}$$ denote, respectively the hydrodynamic and thermal boundary layer thickness, then
A
$$\delta = {\delta _t}$$
B
$$\delta > {\delta _t}$$
C
$$\delta < {\delta _t}$$
D
$$\delta = 0$$ but $${\delta _t} \ne 0$$
4
GATE ME 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
The Blasius equation related to boundary layer theory is a
A
third-order linear partial differential equation
B
third-order nonlinear partial differential equation
C
second-order nonlinear ordinary differential equation
D
third-order nonlinear ordinary differential equation
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