Engineering Fundamentals
6th Edition
ISBN: 9780357112144
Author: Saeed Moaveni
Publisher: MISC PUBS
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Chapter 11, Problem 19P
To determine
Find the temperature rise in copper plate after 10 seconds.
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A copper plate, with dimensions of 3 cm x 3 cm × 5 cm (length, width,
and thickness, respectively), is exposed to a thermal energy source
that puts out 150 J every second, as shown in the accompanying
figure. The density of copper is 8900 kg/m³. Assuming no heat loss to
the surrounding block, determine the temperature rise in the plate
after 10 seconds.
150 J
Copper
Insulation
Calculate the change in 5 m long copper wire when its temperature changes by 60∘C. State your assumptions if there are any.
A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.4 m x 1.9 m. On a certain day, the indoor temperatu
24°C and the outdoor temperature is 0°C.
(a) What is the rate at which energy is transferred by heat through the glass?
W
(b) How much energy is lost through the window in one day, assuming the temperatures inside and outside remain
constant?
Chapter 11 Solutions
Engineering Fundamentals
Ch. 11.2 - Prob. 1BYGCh. 11.2 - Prob. 2BYGCh. 11.2 - Prob. 3BYGCh. 11.2 - Prob. 4BYGCh. 11.2 - Prob. 5BYGCh. 11.2 - Prob. BYGVCh. 11.4 - Prob. 1BYGCh. 11.4 - Prob. 2BYGCh. 11.4 - Prob. 3BYGCh. 11.4 - Prob. 4BYG
Ch. 11.4 - Prob. BYGVCh. 11.6 - Prob. 1BYGCh. 11.6 - Prob. 2BYGCh. 11.6 - Prob. 3BYGCh. 11.6 - Prob. 4BYGCh. 11.6 - Prob. BYGVCh. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - Alcohol thermometers can measure temperatures in...Ch. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Calculate the R-value for the following materials:...Ch. 11 - Calculate the thermal resistance due to convection...Ch. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - Prob. 13PCh. 11 - Estimate the change in the length of a power...Ch. 11 - Calculate the change in 5 m long copper wire when...Ch. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Prob. 23PCh. 11 - Prob. 24PCh. 11 - Prob. 26PCh. 11 - Prob. 27PCh. 11 - Prob. 28PCh. 11 - Prob. 29PCh. 11 - Prob. 30PCh. 11 - Prob. 31PCh. 11 - Prob. 32PCh. 11 - Prob. 33PCh. 11 - Prob. 34PCh. 11 - Prob. 35PCh. 11 - For Problems 11.11, 11.12, and 11.13, calculate...Ch. 11 - Prob. 37PCh. 11 - Prob. 38PCh. 11 - Prob. 39PCh. 11 - Prob. 40PCh. 11 - Prob. 41PCh. 11 - Prob. 42PCh. 11 - Prob. 43PCh. 11 - Prob. 44PCh. 11 - Prob. 45PCh. 11 - Prob. 46PCh. 11 - Prob. 47PCh. 11 - Prob. 48PCh. 11 - Prob. 49PCh. 11 - Prob. 51PCh. 11 - Prob. 52PCh. 11 - Prob. 53PCh. 11 - Prob. 54PCh. 11 - Prob. 55P
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- Can I get a step by step walkthrough?arrow_forwardA glass of lukewarm milk is suggested for people who cannot sleep. Milk at 52 degrees Celsius can be characterized as lukewarm. What is the temperature of lukewarm milk in degrees Fahrenheit and Kelvin?Show your solution and express your final answers to 2 decimal places.arrow_forwardCalculate the capillary effect in mm in a glass tube of 4 mm diameter, when immersed in mercury. The temperature of the liquid is 200 C and the value of surface tension of mercury at 20°C in contact with air is 0.57 N/m respectively. The angle of contact for mercury is 130⁰.arrow_forward
- A dual-pane window in a house is composed of two parallel panes of glass, each with an area of 2.23 m². Each pane of glass is 3.10 mm thick and the space between the panes is 12.5 mm thick and is filled with argon. (a) Calculate the heat flow through the window if the indoor temperature is 18.3°C and the outdoor temperature is -20.6°C (this is about -5°F). (b) Determine the temperature on the inside of the pane (this is in the argon-dilled region) closest to the outside of the house.arrow_forwardA copper plate, with dimensions of 3 cm × 3 cm × 5 cm (length, width, and thickness, respectively), is exposed to a thermal energy source that puts out 150 J every second, as shown in the accompanying figure. The density of copper is 8900 kg⁄m3 . Assuming no heat loss to the surrounding block,determine the temperature rise in the plate after 10 seconds.arrow_forwardA glass of a hot water has an initial temperature 80°C, placed in a room where the temperature is 30°C. After one minute the water temperature drops to 70°C. What will be the temperature after 3 minutes? At what time the water cools down to 40°C?arrow_forward
- choose the correct answerarrow_forward*please answer all questions* and write a proper free body diagram and answer in complete solution. Thank youarrow_forwardD Question 10 A steel rod, which is free to move, has a length of 200 mm and a diameter of 20 mm at a temperature of 25 degrees C. If the rod is heated uniformly to 150 degrees C, determine the length of this rod (in mm) to the nearest two decimals at the new temperature. (CTE for steel is 12.5 x 10 6 per degree C).arrow_forward
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