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1
GATE ME 2023
MCQ (Single Correct Answer)
+1
-0.33
Consider incompressible laminar flow of a constant property Newtonian fluid in an isothermal circular tube. The flow is steady with fully-developed temperature and velocity profiles. The Nusselt number for this flow depends on
A
neither the Reynolds number nor the Prandtl number
B
both the Reynolds and Prandtl numbers
C
the Reynolds number but not the Prandtl number
D
the Prandtl number but not the Reynolds number
2
GATE ME 2022 Set 2
MCQ (Single Correct Answer)
+1
-0.33
Which of the following non-dimensional terms is an estimate of Nusselt number?
A
Ratio of internal thermal resistance of a solid to the boundary layer thermal resistance
B
Ratio of the rate at which internal energy is advected to the rate of conduction heat transfer
C
Non-dimensional temperature gradient 
D
Non-dimensional velocity gradient multiplied by Prandtl number
3
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
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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