[" 5."1.56times10^(5)J" of heat is conducted through "2m^(2)],[" wall of "12cm" thick in one hour.Temperature "]

1.56 xx 10 ^(5) J of heat is conducted through a 2 m^(2) wall of 12 cm thick in one hour. Temperature difference between the two sides of the wall is 20 ^(@) C The thermal conductivity of the material of the wall is (in W m^(-1) K^(-1))

1.56 × 10^5 J of heat is conducted through is 2 m^2 wall of 12 cm thick in one hour. Temperature difference between the two sides of the wall is 20 ^@C. The thermal conductivity of the material of the wall is (in Wm ^(-1) K^(-1) )

1.56 × 10^5 J of heat is conducted through is 2 m^2 wall of 12 cm thick in one hour. Temperature difference between the two sides of the wall is 20 ^@C. The thermal conductivity of the material of the wall is (in Wm ^(-1) K^(-1) )

1.56xx10^(5) heat energy is transferred through wall 2 m^(2) and 12 cm thickness in every hour. Temperature difference between two walls is 20^(@)C , the mall conductivity of material of wall is . . . .. . "Wm"^(-1)K^(-1)

Calculate the quantity of heat conducted through 2m^(2) of a brick wall 12cm thick in 1 hour if the temperature on one side is 8^(@)C and on the other side is 28^(@)C . (Thermal conductivity of brick =0.13Wm^(-1)K^(-1) )

The thermal conductivity of a metal plate is 80 w//mk . If the thickness of the plate is 0.5 cm and heat is conducted at the rate of 2.5 xx 10^6 W//M^2 . The temperature difference across the two faces of the plate is about

Temperature shows in cross section a wall consisting of four layers with thermal conductivities K_(1)=0.06W//mK,K_(3)=0.04W//mK and K_(4)=0.10W//mK the layer thickness are L_(1)=1.5cm,L_(3)=2.8cm and L_(4)=3.5 cm. The temperature of interfaces is as shown in figure energy transfer through the wall is in steady state. Q. Temperature of outer surface of sphere is

Calculate the rate of loss of heat through a glass window of area 1000 cm^(2) and thickness 0.4 cm when temperature inside is 37^(@)C and outside is -5^@)C . Coefficient of thermal conductivity of glass is 2.2 xx 10^(-3) cal s^(-1) cm^(-1) K^(-1) .

Figure shows in cros section a wall consisting of four layers with thermal conductivities K_(1)=0.06W//mK K_(3)=0.04W//mK and K_(4)=0.10W//mK . The layer thicknesses are L_(1)=1.5cm,L_(3)=2.8 cm and L_(4)=3.5cm the temperature of interfaces is as shown in figure. energy transfer through the wall is in steady state. Q. The temperature of the inteface between layers 2 and 3 is