7.) The conduction heat transfer rate through a wall is modeled by the following equation:O = kATLwhereO = heat transfer rate in BrBtu/k = thermal conductivity of the wallA = area of the wall in ftL = wall thickness in ftAT = steady-state temperature difference between the inside and the outside surfaces ofthe wall, in F°What is the appropriate unit for k if the preceding equation is to be homogeneous in units?

The expression for the heat transfer rate is given by, Q=kAL∆T Here, Q is the heat transfer rate, k…

7.) The conduction heat transfer rate through a wall is modeled by the following equation: Q = kAT L where Q = heat transfer rate in Btu hr k = thermal conductivity of the wall A = area of the wall in fr L= wall thickness in ft AT = steady-state temperature difference between the inside and the outside surfaces of the wall, in F° What is the appropriate unit for k if the preceding equation is to be homogeneous in units?

7.) The conduction heat transfer rate through a wall is modeled by the following equation: Q = kAT L where Q = heat transfer rate in Btu hr k = thermal conductivity of the wall A = area of the wall in fr L= wall thickness in ft AT = steady-state temperature difference between the inside and the outside surfaces of the wall, in F° What is the appropriate unit for k if the preceding equation is to be homogeneous in units?

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter6: Fundamental Dimensions And Units

Section: Chapter Questions

Problem 23P

See similar textbooks

Similar questions

Given a liquid water having a volume of 6m3 and weight of 44kN at 4°C, Calculate a. Specific weight (N/m3) b. Specific mass (kg/m3) c. Specific volume (m3/kg) d. Specific gravity (unitless)
What is the equivalent value of T = 60° C in kelvins?
An electrical current flows through a long bar, generating thermal energy at a rate uniform volumetric of q = 2 × 105 W/m 3. The bar is concentric with a hollow ceramic cylinder, creating an air-filled space between the two. If the external surface temperature cannot exceed 40 °C, what is the minimum speed that the ambient air should be blown? the neighborhood meets at 25 °C and the emissivity of the ceramic is 0.8. If the bar has an emissivity of 0.2, what is the bar surface temperature?
Fluid Mechanics Last Fall, researchers using an unmanned submarine discovered a coral reef at the unprecenented depth of 1/2 mile. The density of seawater at the surface of the ocean is 1025kg/m3 and the bulk modulus of elasticty of seawater is 2.34*109 Pa. A volume of air is taken downward to the coral reef. Assuming an absolute air pressure at the ocean surface of 1 atm, and that the air taken to the reef behaves as an isothermal gas. Find the pressure of the air at that depth. Find the fractional change in denisity and volume of the air at that depth.
A steel tape, with a coefficient of linear expansion of 0.0000116/C, is known to be 100 meters long at 20°C. The tape was used to measure a line was found to be 1532.28 meters long when the temperature was 37°C. Determine the following: Temperature correction per tape length Temperature correction for the measured line Correct length of the line
Determine the pressure difference between points A and B in kPa. Given Specific Gravities: Benzene = 0.88 Kerosene = 0.80 Mercury = 13.6 Water = 1 Air = 0.0012
A steel tape with a coefficient of thermal expansion of 0.0000116/°C is known to be 50 m long at 20°C. The tape was used to measure a line that is 642.90 m long when the temperature was 35ºC. a) Calculate the temperature correction per tape length. b) Calculate the correction for the measured line. c) Calculate the correct length of the measured line.
Obtain the values of vapor pressures of alcohol, water, and glycerin at a room temperature of 20 C.
A double-pane glass window consists of two pieces of glass, each having athickness of 8 mm, with a thermal conductivity of k = 1.4 W⁄m ⋅ K . The twoglass panes are separated by an air gap of 10 mm, as shown in Figure 11.10 .Assuming the thermal conductivity of air to be k = 0.025 W⁄m ⋅ K , determinethe total R-value for this window. The total thermal resistance of the window is obtained by adding the resistance offered by each pane of glass and the air gap in the following manner:
What is the sea level (g= 32.3 ft/s2) specific weight (lb/ft3) of liquid with density of 58.3 lb/ft3?
1.) Derive a formula that can be used to convert a temperature reading from Kelvin to Rankinescales.
Calculate the heat loss from a double-pane glass window consisting of two pieces of glass, each having a thickness of 10 mm with a thermal conductivity of k = 1.3 W/m.K . The two glass panes are separated by an air gap of 7 mm. Assume thermal conductivity of air to be k = 0.022 W/m.K .