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Heat Transfer
Conduction
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Fin Design and Transient Heat Conduction
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Convection
Marks 1Marks 2
Radiation
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Heat Exchangers
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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 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 $${\delta _t} \ne 0$$
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Questions Asked from Marks 1
GATE ME 2024 (2) GATE ME 2023 (1) GATE ME 2022 Set 2 (1) GATE ME 2016 Set 3 (1) GATE ME 2015 Set 2 (1) GATE ME 2015 Set 1 (2) GATE ME 2015 Set 3 (1) GATE ME 2014 Set 4 (1) GATE ME 2014 Set 2 (2) GATE ME 2009 (1) GATE ME 2008 (1) GATE ME 1998 (1) GATE ME 1994 (1) GATE ME 1990 (1) GATE ME 1988 (1)
GATE ME Subjects
Engineering Mechanics
Machine Design
Strength of Materials
Heat Transfer
Production Engineering
Industrial Engineering
Turbo Machinery
Theory of Machines
Engineering Mathematics
Fluid Mechanics
Thermodynamics
General Aptitude