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Recent questions and answers in Heat Transfer
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GATE2018147
A plane 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 $25^{\circ}C$ ... The steady state temperature, $T_P$ (in $^{\circ}$C) of the side which is exposed to the fluid is _____ (correct to two decimal places)
answered
Apr 26, 2019
in
Heat Transfer
by
GG
(
180
points)
gate2018me1
numericalanswers
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, 2019
in
Heat Transfer
by
Arjun
(
21.2k
points)
gate2019me2
0
votes
0
answers
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
answers
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 $30^{\circ}C$ with cooling water which enters the tubes of the condenser at $14^{\circ}C$ and exists at $22^{\circ}C$ ... coefficient 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
numericalanswers
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 the 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
numericalanswers
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 the black body is $500$ $1000$ $4000$ $8000$
asked
Feb 17, 2018
in
Heat Transfer
by
Arjun
(
21.2k
points)
gate2018me2
0
votes
0
answers
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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