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Recent questions and answers in Heat Transfer
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GATE2018147
A plan slab of thickness $L$ and thermal conductivity $k$ is heated heated with a fluid on one side $(P)$, and the other side (Q) is maintained at a constant temperature, $T_Q$ of $25^oC$, as shown in the figure, the fluid is at $45^oC$ and the ... 2K$. The steady state temperature, $T_P$ (in $^oC) of the side which is exposed to the fluid is _____ (correct to two decimal places)
answered
Apr 26
in
Heat Transfer
by
GG
(
180
points)
gate2018me1
0
votes
0
answers
GATE2019 ME2: 11
Onedimensional steady state heat conduction takes places through a solid whose crosssectional area varies linearly in the direction of heat transfer. Assume there is no heat generation in the solid and the thermal conductivity of the material is constant and independent of temperature. The temperature distribution in the solid is Linear Quadratic Logarithmic Exponential
asked
Feb 9
in
Heat Transfer
by
Arjun
(
21.2k
points)
gate2019me2
0
votes
0
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ISRO20099
The radiative heat transfer rate per unit area $(W/m2)$ between two plane parallel grey surfaces (emissivity $0.9$) maintained at $400 \: K$ and $300 \: K$ is (Stefan Bottzman constant $\sigma=5.67 \times 10^{6} W/m^2K^4$) $1020$ $464$ $812$ $567$
asked
Mar 6, 2018
in
Heat Transfer
by
m2n037
(
940
points)
isro2009
0
votes
0
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ISRO20094
The relation ${p^{V}}^{\gamma}$= constant, where $\gamma$ is the ratio of the specific heats of ideal gad=s, is applicable o Any adiabatic process Only reversible adiabatic process Only irreversible adiabatic process Only isothermal process
asked
Mar 6, 2018
in
Heat Transfer
by
m2n037
(
940
points)
isro2009
0
votes
0
answers
GATE2018254
Steam in the condenser of a thermal power plant is to be condensed at a temperature of $30^oC$ with cooling water which enters the tubes of the condenser at $14^oC$ and exists at $22^oC$. The total surface area of the tubes is $50 \: m^2$, and the overall heat ... is $2000 \: W/m^2 \: K$. The heat transfer (in $MW$) to the condenser is _____ (correct to two decimal places).
asked
Feb 17, 2018
in
Heat Transfer
by
Arjun
(
21.2k
points)
gate2018me2
0
votes
0
answers
GATE2018241
A $0.2 \:m$ thick infinite black plate having a thermal conductivity of $3.96 \: W/mK$ is exposed to two infinite black surfaces at $300 \: K$ and $400 \: K$ as shown in the figure. At steady state, the surface temperature of teh plate facing the ... $1D$ heat conduction, the magnitude of the heat flux through the place (in $W/m^2$) is ______ (correct to two decimal places)
asked
Feb 17, 2018
in
Heat Transfer
by
Arjun
(
21.2k
points)
gate2018me2
0
votes
0
answers
GATE201829
The peak wavelength of radiation emitted by a black body at a temperature of $2000 \: K$ is $1.45 \: \mu m$. If the peak wavelength of emitted radiation changes to $2.90 \: \mu m$, then the temperature (in $K$) of teh black body is 500 1000 4000 8000
asked
Feb 17, 2018
in
Heat Transfer
by
Arjun
(
21.2k
points)
gate2018me2
0
votes
0
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GATE2018110
Which one of the following statements is correct for a superheated vapour? Its pressure is less than the saturation pressure at a given temperature Its temperature is less than the saturation temperature at a given pressure Its volume is less than the ... the saturated vapour at a given temperature Its enthalpy is less than the enthalpy of the saturated vapour at a given pressure
asked
Feb 17, 2018
in
Heat Transfer
by
Arjun
(
21.2k
points)
gate2018me1
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