1
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
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 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
Match Group $$A$$ with Group $$B$$

Group-A
$$P:$$$$\,\,\,\,\,\,\,$$ Biot number
$$Q:$$$$\,\,\,\,\,\,\,$$ Grashof number
$$R:$$$$\,\,\,\,\,\,\,$$ Prandtl number
$$S:$$$$\,\,\,\,\,\,\,$$ Reynolds number

Group-B
$$1:$$$$\,\,\,\,\,\,\,$$ Ratio of buoyancy to viscous force
$$2:$$$$\,\,\,\,\,\,\,$$ Ratio of inertia force to viscous force
$$3:$$$$\,\,\,\,\,\,\,$$ Ratio of momentum to thermal diffusivities
$$4:$$$$\,\,\,\,\,\,\,$$ Ratio of internal thermal resistance to boundary layer thermal resistance

A
$$P - 4,\,\,Q - 1,\,\,R - 3,\,\,S - 2$$
B
$$P - 4,\,\,Q - 3,\,\,R - 1,\,\,S - 2$$
C
$$P - 3,\,\,Q - 2,\,\,R - 1,\,\,S - 4$$
D
$$P - 2,\,\,Q - 1,\,\,R - 3,\,\,S - 4$$
4
GATE ME 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
For laminar forced convection over a flat plate, if the free stream velocity increases by a factor of $$2,$$ the average heat transfer coefficient
A
remains same
B
decreased by a factor of $$\sqrt 2 $$
C
rises by a factor of $$\sqrt 2 $$
D
rises by a factor of $$4$$
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