## Marks 1

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Grashof number signifies the ratio of
GATE ME 2016 Set 3
The ratio of momentum diffusivity $$\left( \upsilon \right)$$ to thermal diffusivity $$\left( \alpha \right),$$ is ca...
GATE ME 2015 Set 3
In the laminar flow of air $$(Pr=0.7)$$ over a heated plate, if $$\delta$$ and $${\delta _T}$$ denote, respectively the...
GATE ME 2015 Set 2
The Blasius equation related to boundary layer theory is a
GATE ME 2015 Set 1
For flow of viscous fluid over a flat plate, if the fluid temperature is the same as the plate temperature, the thermal ...
GATE ME 2015 Set 1
Match Group $$A$$ with Group $$B$$ Group-A $$P:$$$$\,\,\,\,\,\,\,$$ Biot number $$Q:$$$$\,\,\,\,\,\,\,$$ Grashof numbe...
GATE ME 2014 Set 4
Consider a two-dimensional laminar flow over a long cylinder as shown in the figure below. The free stream velocity is...
GATE ME 2014 Set 2
For laminar forced convection over a flat plate, if the free stream velocity increases by a factor of $$2,$$ the average...
GATE ME 2014 Set 2
A coolant fluid at $${30^ \circ }C$$ flows over a heated flat plate maintained at a constant temperature of $${100^ \cir... GATE ME 2009 For flow of fluid over a heated plate, the following fluid properties are known: Viscosity$$=0.001Pa.s;$$Specific heat... GATE ME 2008 Heat transfer coefficients for free convection in gasses, forced convection in gases and vapors, and for boiling water l... GATE ME 1998 For air near atmospheric condition flowing over a flat plate the laminar thermal boundary layer is thicker than hydrodyn... GATE ME 1994 In pool boiling the highest$$HTC$$occurs in GATE ME 1990 For the fluid flowing over a flat plate with Prandtle number greater than unity, the thermal boundary layer for laminar ... GATE ME 1988 ## Marks 2 More A fluid (Prandtl number,$$Pr=1$$) at$$500K$$flows over a flat plate of$$1.5m$$length, maintained at$$300...
GATE ME 2016 Set 1
For flow through a pipe of radius $$R,$$ the velocity and temperature distribution are as follows: $$U\left( {r,x} \righ... GATE ME 2015 Set 1 Water flows through a tube of diameter$$25mm$$at an average velocity of$$1.0m/s.$$The properties of water are$$\rho...
GATE ME 2014 Set 2
Consider one dimensional steady state heat conduction across a wall (as shown in figure below) of thickness $$30$$ $$mm... GATE ME 2014 Set 1 The non-dimensional fluid temperature profile near the surface of a convectively cooled flat plate is given by$${{{T_w}...
GATE ME 2014 Set 1
The ratios of the laminar hydrodynamic boundary layer thickness to thermal boundary layer thickness of flows of two flui...
GATE ME 2011
Match the following List-$${\rm I}$$ $$P.$$ Compressible flow $$Q.$$ Free surface flow $$R.$$ Boundary layer flow $$S.... GATE ME 2010 The temp distribution within the Laminar thermal boundary layer over a heated isothermal flat plate is given by$$\left...
GATE ME 2007
The average heat transfer coefficient on a thin hot vertical plate suspended in still air can be determined from observa...
GATE ME 2007
An un-insulated air conditioning duct of rectangular cross section $$1\,\,m \times 0.5\,m,$$ carrying air at $${20^ \cir... GATE ME 2005 An un-insulated air conditioning duct of rectangular cross section$$1\,\,m \times 0.5\,m,$$carrying air at$${20^ \cir...
GATE ME 2005
Consider a laminar boundary layer over a heated flat plate. The free stream velocity is $${U_\infty }.$$ At some distanc...
GATE ME 2003
The properties of mercury at $$300K$$ are : density $$= 13529kg/{m^3},$$ $${C_P} = 0.1393$$ $$kJ/kgK,$$ dynimic viscosi...
GATE ME 2002
Water (Prandtl number $$=6$$ ) flows over a flat plate which is heated over the entire length. Which one of the followin...
GATE ME 2001
Match List - $${\rm I}$$ with List - $${\rm II}$$ and select the correct answer using the code given below the Lists: L...
GATE ME 1996
A fluid flowing over a flat plate has the following properties: dynamic viscocity $$= 25 \times {10^{ - 6}}\,\,kg/ms,$$...
GATE ME 1992

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