Determine the resistance of an aluminium coil of 129 cm as diameter consists of 15400 turns and the mean length per turn is 4130 cm. Take the electrical conductivity of the aluminium coil as 0.31 MS/m. Solution: Area of Cross-section of the Coil (in m) Total Length (in m) The Resistance of the Coil (in 2)

Determine the resistance of an aluminium coil of 129 cm as diameter consists of 15400 turns and the mean length per turn is 4130 cm. Take the electrical conductivity of the aluminium coil as 0.31 MS/m. Solution: Area of Cross-section of the Coil (in m) Total Length (in m) The Resistance of the Coil (in 2)

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.73P: Estimate the R-values for a 5-cm-thick fiberglass board and a 2.5-cm-thick polyurethane foam layer....

See similar textbooks

Similar questions

1.71 The thermal conductivity of silver at 212°F is 238 Btu/h ft °F. What is the conductivity in SI units?
Solve it quickly please
Determine the resistance of an aluminium coil of 102 cm as diameter consists of 15900 turns and the mean length per turn is 3450 cm. Take the electrical conductivity of the aluminium coil as 0.2 MS/m. Solution: Area of Cross-section of the Coil (in m2) Total Length (in m) The Resistance of the Coil (in Q)
Determine the resistance of a copper wire that has a cross-sectional area as 7.3 mm2. The length and the electrical resistivity of the copper wire are 78.6 m and 1.78 x 10 6 Qm. The resistance of a copper wire (in Q)
Determine the resistance of an aluminium coil of 183 cm as diameter consists of 14500 turns and the mean length per turn is 4883 cm. Take the electrical conductivity of the aluminium coil as 0.37 MS/m. Solution: Area of Cross-section of the Coil (in m²) Total Length (in m) The Resistance of the Coil (in 2) o search
MIME2204– ENGINEERING MATERIALS
The accepted resistivity value at room temperature for copper wire is 1.7421 x 10-8 ohm meter. please explain why or why not the measurements recorded are within some percent error of thius value. calculate resistivity and show the percent error. Use R=p L/A Using the formula calculate p
A wall made of wood is 4.00 cm thick and has an area of 48.0 m². If the temperature inside is 25 °C and the temperature on the outside is 14 C, then at what rate is thermal energy transported through the wall by conduction? The thermal conductivity of wood is 0.080 Js ¹m¹(c)¹ 'n Muur is gemaak van hout wat 4.00 cm dik is en met 'n oppervlakte van 48.0 m². Wat is die tempo van energie oordrag as gevolg van geleiding deur die muur indien die binne temperatuur is 25 °C en die buite temperatuur 14 °C is? Die termiese geleidingskonstante van hout is 0.080 Jsm¹(C)1. Select one: a 82 W O b. 1056 W 690 W 1100 W O e. 2200 W O.C. O d. A
Determine the resistance of a copper wire that has a cross-sectional area as 8.2 mm2. The length and the electrical resistivity of the copper wire are 77.1 m and 1.68 x 10-6 Qm. The resistance of a copper wire (in 2) A square cross-section v-notched specimen of height 75 mm has each side of 11 mm has been selected to perform Charpy impact test. Determine the notch thickness, if the cross-sectional area at notch is 104.5 mm2. Notch thickness (in mm)
The compartment below is used as a freezer of refrigerator compartment. Inner wall is at -10 C and outer wall is at 20 C. Insulator with a thermal conductivity of 0.040 W/(mK) is used to prevent the heat losses from the compartment. The shape is in square form with a side of 1.3 m and unit width into the page. Determine the amount of the heat load if the thickness of the insulator is 2 cm? * a)700 W b)312 W c)78 W d)none e)500 W
I want to know how much heat the tube lost due to the material it is made of aluminum or steel. Even if it is a small difference in temperature. I want to know which material Conduct Heat the Best through this problem. material: Aluminum, steel ( the dimensions are the same for both) temperature touching cylinder: 65 Celcius temeprature inside cylinder 64.5 celsius room temperature 24 celcius Tube measurements outer radius r1 r1 = 4 in inner radius r2 r2 = 3 in outer circumference C1 C1 = 25.132741228718 in inner circumference C2 C2 = 18.849555921539 in height h = 8 in wall thickness t = 1 in
The compartment below is used as a freezer of refrigerator compartment. Inner wall is at -15 C and outer wall is at 25 C. Insulator with a thermal conductivity of 0.035 W/(mK) is used to prevent the heat losses from the compartment. The shape is in square form with a side of 1.2 m and unit width into the page. Determine the thickness of the insulator if the compartment heat load is 700 W? a)5 cm b)none c)4.2 cm d)2.4 mm e)9.6 mm