Physics: Principles with Applications
7th Edition
ISBN: 9780321625922
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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Textbook Question
Chapter 13, Problem 22Q
Why does exhaled air appear as a little white cloud in the winter (Fig. 13-30)?
Figure 13-30
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1) An insulated steam pipe located here the ambient temperature is C has an inside
diameter of 60 mm with 12 mm thick wall. The outside diameter of the corrugated asbestos
insulation is 125 mm and the surtace coeficient of still air ho 12 m2-K. Inside the pipe is
steam having a temperature C with a film coefficient hi 0000 w/m2-K. Thermal
conductivity of pipe and asbestos insulation are 46 and D.12 m2-Krespecthely Determine
the heat loss per unit length of pipe IN WM
INTERNAL AMBIENT TEMP
185
ANSWER
C flows in a cast iron pipe (rie0 Wim "C) whose inner and outer
2) Steam at 71
diameters are 1-5 om and 02-5.6 cm,respectively. The pipe is covered with 3-om-thick glass
wool insulation with 40.05 Wim-"C. Heat is lost to the surroundings at 72 "Cbynatural
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loss from the steam. Also determine the temperature…
Calculate the relative
humidity over spherical
droplets of pure water
for the following radii:
-4
10¹, 102, 10³, 104 cm if
the temperature is 0°C
and surface tension is
0.075Nm¹.
G
1) Calculate the relative humidity over spherical droplets of pure water for the following radii:
10¹, 102, 10³, 10+ cm if the temperature is 0º C and surface tension is 0.075 N m-¹.
*63 9 Figure 18-49 shows (in cross section) a wall consisting of
four layers, with thermal conductivities k = 0.060 W/m -K, kz =
0.040 W/m - K, and k4 = 0.12 W/m - K (k, is not known). The layer
thicknesses are L = 1.5 cm, L3 = 2.8 cm, and L4 = 3.5 cm (L2 is
not known). The known temperatures are T1 = 30°C, T12 = 25°C,
and T, = -10°C. Energy transfer through the wall is steady. What
is interface temperature Ty?
T-
T12
Tys
-4-
Chapter 13 Solutions
Physics: Principles with Applications
Ch. 13 - Prob. 1OQCh. 13 - Which has more atoms: 1 kg of lead or 1 kg of...Ch. 13 - Prob. 2QCh. 13 - Prob. 3QCh. 13 - Prob. 4QCh. 13 - Prob. 5QCh. 13 - Prob. 6QCh. 13 - Prob. 7QCh. 13 - Prob. 8QCh. 13 - Explain why it is advisable to add water to an...
Ch. 13 - Prob. 10QCh. 13 - Prob. 11QCh. 13 - Prob. 12QCh. 13 - Will a clock using a pendulum supported on a long...Ch. 13 - Prob. 14QCh. 13 - Prob. 15QCh. 13 - Prob. 16QCh. 13 - Prob. 17QCh. 13 - Prob. 18QCh. 13 - Prob. 19QCh. 13 - Prob. 20QCh. 13 - Prob. 21QCh. 13 - Why does exhaled air appear as a little white...Ch. 13 - Explain why it is dangerous to open the radiator...Ch. 13 - Prob. 1MCQCh. 13 - Prob. 2MCQCh. 13 - Prob. 3MCQCh. 13 - Prob. 4MCQCh. 13 - Prob. 5MCQCh. 13 - Prob. 6MCQCh. 13 - Prob. 7MCQCh. 13 - Prob. 8MCQCh. 13 - Prob. 9MCQCh. 13 - Prob. 10MCQCh. 13 - Prob. 11MCQCh. 13 - Prob. 12MCQCh. 13 - Prob. 13MCQCh. 13 - How does the number of atoms in a 27.5-gram gold...Ch. 13 - Prob. 2PCh. 13 - (a) “Room temperature” is often taken to be 68°F....Ch. 13 - Prob. 4PCh. 13 - Prob. 5PCh. 13 - Prob. 6PCh. 13 - Prob. 7PCh. 13 - In an alcohol-in-glass thermometer the alcohol...Ch. 13 - The Eiffel Tower (Fig. 13-31 [) is built of...Ch. 13 - Prob. 10PCh. 13 - Prob. 11PCh. 13 - To what temperature would you have to heat a brass...Ch. 13 - To make a secure fit. rivets that are larger than...Ch. 13 - An ordinary glass is filled to the brim with 450.0...Ch. 13 - An aluminum sphere is 8.75 cm in diameter. What...Ch. 13 - Prob. 16PCh. 13 - Prob. 17PCh. 13 - Prob. 18PCh. 13 - An aluminum bar has the desired length when at...Ch. 13 - The pendulum in a grandfather clock is made of...Ch. 13 - Prob. 21PCh. 13 - Prob. 22PCh. 13 - If 3.50 m3of a gas initially at STP is placed...Ch. 13 - In an internal combustion engine, air at...Ch. 13 - Prob. 25PCh. 13 - A storage tank contains 21.6 kg of nitrogen (N2)...Ch. 13 - Prob. 27PCh. 13 - A scuba tank is filled with air to a gauge...Ch. 13 - Prob. 29PCh. 13 - Prob. 30PCh. 13 - Prob. 31PCh. 13 - Prob. 32PCh. 13 - Prob. 33PCh. 13 - Prob. 34PCh. 13 - Prob. 35PCh. 13 - Prob. 36PCh. 13 - Prob. 37PCh. 13 - Prob. 38PCh. 13 - Prob. 39PCh. 13 - Prob. 40PCh. 13 - Prob. 41PCh. 13 - Prob. 42PCh. 13 - Prob. 43PCh. 13 - Prob. 44PCh. 13 - Prob. 45PCh. 13 - Prob. 46PCh. 13 - Prob. 47PCh. 13 - Prob. 48PCh. 13 - Prob. 49PCh. 13 - Prob. 50PCh. 13 - Prob. 51PCh. 13 - Prob. 52PCh. 13 - Prob. 53PCh. 13 - Prob. 54PCh. 13 - Prob. 55PCh. 13 - Prob. 56PCh. 13 - Water is in which phase when the pressure is 0.01...Ch. 13 - Prob. 58PCh. 13 - Prob. 59PCh. 13 - Prob. 60PCh. 13 - Prob. 61PCh. 13 - Prob. 62PCh. 13 - Prob. 63PCh. 13 - Prob. 64PCh. 13 - Prob. 65PCh. 13 - Prob. 66PCh. 13 - Prob. 67PCh. 13 - Prob. 68PCh. 13 - Prob. 69PCh. 13 - A Pyrex measuring cup was calibrated at normal...Ch. 13 - Prob. 71GPCh. 13 - Prob. 72GPCh. 13 - Prob. 73GPCh. 13 - If a scuba diver fills his lungs to full capacity...Ch. 13 - Prob. 75GPCh. 13 - Prob. 76GPCh. 13 - Prob. 77GPCh. 13 - Prob. 78GPCh. 13 - Prob. 79GPCh. 13 - A brass lid screws tightly onto a glass jar at...Ch. 13 - Prob. 81GPCh. 13 - Prob. 82GPCh. 13 - Prob. 83GPCh. 13 - Prob. 84GPCh. 13 - (a) Estimate the rms speed of an amino acid, whose...Ch. 13 - Prob. 86GPCh. 13 - Prob. 87GPCh. 13 - Prob. 88GPCh. 13 - A sauna has 8.5 m3of air volume, and the...Ch. 13 - Prob. 90GPCh. 13 - Prob. 91GP
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