Physics: Principles with Applications
7th Edition
ISBN: 9780321625922
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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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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Why does exhaled air appear as a little white cloud in the
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FIGURE 13-30
Question 22.
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
convection and radiation, with a combined heat transfer coeficient of /2-18 Wom2 "C. Taking
the heat transfer coefficient inside the pipe to be M1-60 Wome "C, determine the rate of heat
loss from the steam. Also determine the temperature…
8a) For a fast t-square fire in an atrium with a cross sectional area 500m² and height of 10m,
determine the position of the smoke layer interface after 300s. Volumetric entrainment
constant is0.065. Sketch the smoke layer is required. (Assume the transport lag of smoke
is 30 seconds).
b) Define the factors to cause and the precaution methods against dust explosion.
(6 marks)
(6 marks)
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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